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Home > Martindale: The Complete Drug Reference > Drugs and Ancillary Substances > By therapeutic use > Antibacterials > Drug Monographs Ampicillin Sub-sections Ampicillin Ampicillin Sodium Ampicillin Trihydrate Adverse Effects Precautions Interactions Antimicrobial Action Pharmacokinetics Uses and Administration Preparations Ampicillin Date of monograph review: 24-Mar-1997; 21-Jul-1998; 17-Feb-2000; 12Sep-2001; 02-Sep-2003; 25-Jul-2006; 10-Sep-2008; 17-Nov-2009; 20Aug-2010; (latest modification: 30-Jan-2013) Drug Nomenclature (Latest modification: 12-Feb-2013) Synonyms: Αμπικιλλίνη; Anhydrous Ampicillin; Aminobenzylpenicillin; Ampicilin; Ampicilina; Ampicilinas, bevandenis; Ampicillin, vattenfritt; Ampicilline anhydre; Ampicillinum; Ampicillinum Anhydricum; Ampicylina bezwodna; Ampisilin; Ampisilliini; Ampisilliini, vedetön; AY-6108; BRL1341; NSC-528986; P-50; Vízmentes ampicillin; Wasserfreies Ampicillin; 無水アンピシリン; アンピシリン BAN: Ampicillin USAN: Ampicillin INN: Ampicillin [rINN (en)] INN: Ampicilina [rINN (es)] INN: Ampicilline [rINN (fr)] INN: Ampicillinum [rINN (la)] INN: Ампициллин [rINN (ru)] INN: [ أم ب س ي ل ينrINN (ar)] INN: 氨苄西林 [rINN (cn)] Chemical name: (6R)-6-(α-D-Phenylglycylamino)penicillanic acid Molecular formula: C16H19N3O4S =349.4 CAS: 69-53-4 ATC code: J01CA01; S01AA19 ATC code (veterinary): QJ01CA01; QJ51CA01; QS01AA19 UNII code: 7C782967RD Chemical Structure of Ampicillin NOTE: Compounded preparations of ampicillin may be represented by the following names: Co-fluampicil (BAN)—flucloxacillin 1 part and ampicillin 1 part (w/w). Pharmacopoeias: In Eur. (see ), Jpn, and Viet. Int. and US permit anhydrous or the trihydrate. Ph. Eur. 7 (Ampicillin, Anhydrous; Ampicillin BP 2013). A white or almost white, crystalline powder. It exhibits polymorphism. Sparingly soluble in water; practically insoluble in alcohol, in acetone, and in fatty oils. It dissolves in dilute solutions of acids and of alkali hydroxides. A 0.25% solution in water has a pH of 3.5 to 5.5. Store at a temperature not exceeding 30 degrees in airtight containers. USP 36 (Ampicillin). It is anhydrous or contains three molecules of water of hydration. A white, practically odourless crystalline powder. Slightly soluble in water and in methyl alcohol; insoluble in carbon tetrachloride, in chloroform, and in benzene. pH of a 1% solution in water is between 3.5 and 6.0. Store in airtight containers. Ampicillin Sodium Date of monograph review: 24-Mar-1997; 21-Jul-1998; 17-Feb-2000; 12Sep-2001; 02-Sep-2003; 25-Jul-2006; 10-Sep-2008; 17-Nov-2009; 20Aug-2010; (latest modification: 30-Jan-2013) Drug Nomenclature (Latest modification: 30-Jan-2013) Synonyms: Aminobenzylpenicillin Sodium; Ampicilin sodná sůl; Ampicilina sódica; Ampicilino natrio druska; Ampicillin-Natrium; Ampicillin-nátrium; Ampicilline sodique; Ampicillinnatrium; Ampicillinum Natricum; Ampicylina sodowa; Ampisilliininatrium; Sodyum Ampisilin; アンピシリンナトリウム BAN: Ampicillin Sodium [BANM] USAN: Ampicillin Sodium INN: Ampicillin Sodium [rINNM (en)] INN: Ampicilina sódica [rINNM (es)] INN: Ampicilline Sodique [rINNM (fr)] INN: Natrii Ampicillinum [rINNM (la)] INN: Натрий Ампициллин [rINNM (ru)] Molecular formula: C16H18N3NaO4S =371.4 CAS: 69-52-3 ATC code: J01CA01; S01AA19 ATC code (veterinary): QJ01CA01; QS01AA19 UNII code: JFN36L5S8K Pharmacopoeias: In Chin., Eur. (see ), Int., Jpn, and US. Ph. Eur. 7 (Ampicillin Sodium). A white or almost white hygroscopic powder. Freely soluble in water; sparingly soluble in acetone; practically insoluble in liquid paraffin and in fatty oils. A 10% solution in water has a pH of 8.0 to 10.0. Store in airtight containers. USP 36 (Ampicillin Sodium). A white to off-white, odourless or practically odourless, hygroscopic, crystalline powder. Very soluble in water and in isotonic sodium chloride and glucose solutions. pH of a solution in water containing the equivalent of ampicillin 1% is between 8.0 and 10.0. Store in airtight containers. Physicochemical Characteristics (Latest modification: 23-Apr-2004) Incompatibility The incompatibility of ampicillin sodium and aminoglycosides is well established. Incompatibilities have also been reported with many other drugs, including other antibacterials, and appear to be more pronounced at higher concentrations and in solutions also containing glucose. (last reviewed 2010-08-20; last modified 2009-09-07) Stability The stability of solutions of ampicillin sodium is dependent on many factors including concentration, pH, temperature, and the nature of the vehicle. Stability decreases in the presence of glucose, fructose, invert sugar, dextrans, hetastarch, sodium bicarbonate, and lactate. It is recommended that reconstituted solutions of ampicillin sodium for injection should be given within 24 hours of preparation, and should be stored at 2 degrees to 8 degrees but should not be frozen. Solutions for infusion are stable for varying periods and details are given in licensed product information. References. (last reviewed 2010-08-20; last modified 2006-07-18) 1. 1. Lynn B. The stability and administration of intravenous penicillins. Br J Intraven Ther 1981; 2(Mar): 22–39. Ampicillin Trihydrate Date of monograph review: 24-Mar-1997; 21-Jul-1998; 17-Feb-2000; 12Sep-2001; 02-Sep-2003; 25-Jul-2006; 10-Sep-2008; 17-Nov-2009; 20Aug-2010; (latest modification: 30-Jan-2013) Drug Nomenclature (Latest modification: 30-Jan-2013) Synonyms: Ampicillin; Ampicilin trihydrát; Ampicilina trihidrato; Ampicilinas trihidratas; Ampicillin-trihidrát; Ampicillin-Trihydrat; Ampicilline trihydratée; Ampicillintrihydrat; Ampicillinum Trihydricum; Ampicylina trójwodna; Ampisilliinitrihydraatti BAN: Ampicillin Trihydrate [BANM] INN: Ampicillin Trihydrate [rINNM (en)] INN: Ampicilina trihidrato [rINNM (es)] INN: Ampicilline Trihydratée [rINNM (fr)] INN: Ampicillinum Trihydricum [rINNM (la)] INN: Ампициллин Тригидрат [rINNM (ru)] Molecular formula: C16H19N3O4S,3H2O =403.4 CAS: 7177-48-2 ATC code: J01CA01; S01AA19 ATC code (veterinary): QJ01CA01; QS01AA19 UNII code: HXQ6A1N7R6 Pharmacopoeias: In Eur. (see ), Jpn, and Viet. In Chin. under the title Ampicillin. Int. and US permit anhydrous or the trihydrate under the title Ampicillin. Ph. Eur. 7 (Ampicillin Trihydrate). A white or almost white, crystalline powder. Slightly soluble in water; practically insoluble in alcohol and in fatty oils. It dissolves in dilute solutions of acids and of alkali hydroxides. A 0.25% solution in water has a pH of 3.5 to 5.5. Store in airtight containers. USP 36 (Ampicillin). It is anhydrous or contains three molecules of water of hydration. A white, practically odourless crystalline powder. Slightly soluble in water and in methyl alcohol; insoluble in carbon tetrachloride, in chloroform, and in benzene. pH of a 1% solution in water is between 3.5 and 6.0. Store in airtight containers. Adverse Effects (Latest modification: 07-Sep-2009) As for Benzylpenicillin, . Skin rashes are among the most common adverse effects and are generally either urticarial or maculopapular; the urticarial reactions are typical of penicillin hypersensitivity, while the erythematous maculopapular eruptions are characteristic of ampicillin and amoxicillin and often appear more than 7 days after starting treatment. Such rashes may be due to hypersensitivity to the beta-lactam moiety or to the amino group in the side-chain, or to a toxic reaction. The occurrence of a maculopapular rash during ampicillin use does not necessarily preclude the subsequent use of other penicillins. However, since it may be difficult in practice to distinguish between hypersensitive and toxic responses, skin testing for hypersensitivity may be advisable before another penicillin is used in patients who have had ampicillin rashes. Most patients with infectious mononucleosis develop a maculopapular rash when treated with ampicillin, and patients with other lymphoid disorders such as lymphatic leukaemia, and possibly those with HIV infection, also appear to be at higher risk. More serious skin reactions may occur and erythema multiforme associated with ampicillin has occasionally been reported. Gastrointestinal adverse effects, particularly diarrhoea and nausea and vomiting, occur quite often, usually after oral use. Pseudomembranous colitis has also been reported. (last reviewed 2010-08-20; last modified 2009-09-07) Effects on the liver (Latest modification: 02-Jan-2011) Ampicillin has been associated with hepatic injury. Self-limiting cholestasis was reported in a 23-year-old man who received oral ampicillin;1 recurrence followed each of 2 subsequent exposures to the drug. A case of chronic cholestasis associated with ampicillin use has also been reported.2 Severe and prolonged cholestasis has also been reported after treatment with ampicillin plus sulbactam; gradual resolution of the condition occurred over 7 months.3 (last reviewed 2010-08-20; last modified 2011-01-02) 1. 1. Köklü S, et al. Recurrent cholestasis due to ampicillin. Ann Pharmacother 2003; 37: 395–7. PubMed 2. 2. Cavanzo FJ, et al. Chronic cholestasis, paucity of bile ducts, red cell aplasia, and the Stevens-Johnson syndrome: an ampicillin-associated case. Gastroenterology 1990; 99: 854–6. PubMed 3. 3. Köklü S, et al. Probable sulbactam/ampicillin-associated prolonged cholestasis. Ann Pharmacother 2004; 38: 2055–8. PubMed Precautions (Latest modification: 18-Jul-2006) As for Benzylpenicillin, . Ampicillin should be stopped if a skin rash occurs. It should preferably not be given to patients with infectious mononucleosis since they are especially susceptible to ampicillin-induced skin rashes; patients with lymphatic leukaemia or possibly HIV infection may also be at increased risk of developing skin rashes. (last reviewed 2010-08-20; last modified 2006-07-18) Myasthenia gravis (Latest modification: 25-Mar-2004) The symptoms of a woman with myasthenia gravis were exacerbated when she was given ampicillin.1 (last reviewed 2010-08-20; last modified 2004-03-25) 1. 1. Argov Z, et al. Ampicillin may aggravate clinical and experimental myasthenia gravis. Arch Neurol 1986; 43: 255–6. PubMed Porphyria (Latest modification: 03-Nov-2011) The Drug Database for Acute Porphyria, compiled by the Norwegian Porphyria Centre (NAPOS) and the Porphyria Centre Sweden, classifies ampicillin as not porphyrinogenic; it may be used as a drug of first choice and no precautions are needed.1 (last reviewed 2010-08-20; last modified 2011-11-03) 1. 1. The Drug Database for Acute Porphyria. Available at: online (accessed 18/10/11) Sodium content (Latest modification: 25-Mar-2004) Each g of ampicillin sodium contains about 2.7 mmol of sodium. (last reviewed 2010-08-20; last modified 2004-03-25) Interactions (Latest modification: 15-May-2010) As for Benzylpenicillin, . (last reviewed 2010-08-20; last modified 2010-05-15) Antigout drugs (Latest modification: 07-Sep-2009) An increased frequency of skin rashes has been reported in patients receiving ampicillin or amoxicillin, with allopurinol, compared with those receiving the antibacterial alone,1 but this could not be confirmed in a subsequent study.2 (last reviewed 2010-08-20; last modified 2009-09-07) 1. 1. Jick H, Porter JB. Potentiation of ampicillin skin reactions by allopurinol or hyperuricemia. J Clin Pharmacol 1981; 21: 456–8. PubMed 2. 2. Hoigné R, et al. Occurrence of exanthems in relation to aminopenicillin preparations and allopurinol. N Engl J Med 1987; 316: 1217. PubMed Antimalarials (Latest modification: 07-Sep-2009) The absorption of ampicillin has been reduced in healthy subjects taking chloroquine.1 (last reviewed 2010-08-20; last modified 2009-09-07) 1. 1. Ali HM. Reduced ampicillin bioavailability following oral coadministration with chloroquine. J Antimicrob Chemother 1985; 15: 781–4. PubMed Antimicrobial Action (Latest modification: 26-Jul-2010) Ampicillin is a beta-lactam antibacterial. It is bactericidal and has a similar mode of action to that of benzylpenicillin ( ), but as an aminopenicillin with an amino group side-chain attached to the basic penicillin structure, ampicillin is better able to penetrate the outer membrane of some Gramnegative bacteria and has a broader spectrum of activity. Ampicillin resembles benzylpenicillin in its action against Gram-positive organisms, including Streptococcus pneumoniae and other streptococci, but, with the possible exception of activity against Enterococcus faecalis, it is slightly less potent than benzylpenicillin. Listeria monocytogenes is highly sensitive. The Gram-negative cocci Moraxella catarrhalis (Branhamella catarrhalis), Neisseria gonorrhoeae, and N. meningitidis are sensitive. Ampicillin is more active than benzylpenicillin against some Gram-negative bacilli, including Haemophilus influenzae and Enterobacteriaceae such as Escherichia coli, Proteus mirabilis, Salmonella and Shigella spp. It is inactive against Pseudomonas aeruginosa. Ampicillin also has activity similar to benzylpenicillin against other organisms including many anaerobes and Actinomyces spp. Activity with other antimicrobials. There is synergy against some betalactamase-producing organisms between ampicillin and beta-lactamase inhibitors such as clavulanic acid or sulbactam, and also penicillinase-stable drugs such as cloxacillin or flucloxacillin. Synergy has also been shown between ampicillin and aminoglycosides against a range of organisms, including enterococci. Variable effects ranging from synergy to antagonism have been reported between ampicillin and other beta lactams, bacteriostatic drugs such as chloramphenicol, and rifampicin. Resistance. Like benzylpenicillin, ampicillin is inactivated by beta lactamases, although other mechanisms may be responsible for resistance in some species. There are geographical variations in the incidence of resistance, but most staphylococci and many strains of E. coli, H. influenzae, M. catarrhalis, N. gonorrhoeae, and Salmonella and Shigella spp. are resistant. (last reviewed 2010-08-20; last modified 2010-07-26) Pharmacokinetics (Latest modification: 07-Sep-2009) Ampicillin is relatively resistant to inactivation by gastric acid and is moderately well absorbed from the gastrointestinal tract after oral doses. Food can interfere with the absorption of ampicillin so doses should preferably be taken at least 30 minutes before meals. Peak concentrations in plasma occur in about 1 to 2 hours and after a 500-mg oral dose are reported to range from 3 to 6 micrograms/mL. Peak plasma concentrations of ampicillin after a 500-mg intramuscular dose given as the sodium salt occur within about 1 hour and are reported to range from 7 to 14 micrograms/mL. Ampicillin is widely distributed and therapeutic concentrations can be achieved in ascitic, pleural, and joint fluids. It crosses the placenta and small amounts are distributed into breast milk. There is little diffusion into the CSF except when the meninges are inflamed. About 20% is bound to plasma proteins and the plasma half-life is about 1 to 1.5 hours, but this may be increased in neonates, the elderly, and patients with renal impairment; in severe renal impairment half-lives of 7 to 20 hours have been reported. Ampicillin is metabolised to some extent to penicilloic acid which is excreted in the urine. Renal clearance of ampicillin occurs partly by glomerular filtration and partly by tubular secretion; it is reduced by probenecid. About 20 to 40% of an oral dose may be excreted unchanged in the urine in 6 hours; urinary concentrations have ranged from 0.25 to 1 mg/mL after a dose of 500 mg. After parenteral use about 60 to 80% is excreted in the urine within 6 hours. Ampicillin is removed by haemodialysis. High concentrations are reached in bile; it undergoes enterohepatic recycling and some is excreted in the faeces. Ampicillin with sulbactam. The pharmacokinetics of ampicillin and sulbactam are broadly similar and neither appears to affect the other to any great extent. (last reviewed 2010-08-20; last modified 2009-09-07) Uses and Administration (Latest modification: 02-Sep-2010) Ampicillin is used in the treatment of a variety of infections due to susceptible organisms (see Antimicrobial Action, ). They include biliary- tract infections, bronchitis, endocarditis, gastro-enteritis (including salmonella enteritis and shigellosis), gonorrhoea, listeriosis, meningitis, perinatal streptococcal infections (intrapartum prophylaxis against group B streptococci), peritonitis, pneumonia, septicaemia, typhoid and paratyphoid fever, and urinary-tract infections. Resistance to ampicillin is increasingly a problem in some infections, for example, gonorrhoea, pneumococcal infections, respiratory-tract infections due to Haemophilus influenzae or Moraxella catarrhalis (Branhamella catarrhalis), Salmonella infections, shigellosis, and infections due to Escherichia coli. For details of these infections and their treatment, see under Choice of Antibacterial, . If beta-lactamase-producing organisms are present, ampicillin can be given with a beta-lactamase inhibitor such as sulbactam (see below) or a penicillinase-resistant drug such as cloxacillin, dicloxacillin, or flucloxacillin (known as co-fluampicil). It may also be used with an aminoglycoside to increase the spectrum of organisms covered; it is advisable to give the injections separately. The dosage of ampicillin will depend on the severity of the disease, the age of the patient, and renal function. Ampicillin is usually given orally as the trihydrate and by injection as the sodium salt. Doses are expressed in terms of the equivalent amount of ampicillin; 1.06 g of ampicillin sodium and 1.15 g of ampicillin trihydrate are each equivalent to about 1 g of ampicillin. The usual oral dose is 0.25 to 1 g every 6 hours taken at least 30 minutes before or 2 hours after food. For urinary-tract infections, ampicillin 500 mg is given orally every 8 hours. The usual dose by injection is 500 mg every 4 to 6 hours intramuscularly or by slow intravenous injection over 3 to 5 minutes or by infusion, although for severe infections higher doses are often used. For typhoid and paratyphoid fever where Salmonella typhi strains remain sensitive to ampicillin, an oral dose of 1 to 2 g may be given every 6 hours for 2 weeks for acute infections, and for 4 to 12 weeks in carriers. Ampicillin 2 g given with probenecid 1 g, as a single oral dose, has been used in the treatment of uncomplicated gonorrhoea in areas where gonococci remain sensitive; repeated doses are recommended in females. In meningitis, higher parenteral doses may be used; 12 g daily given intravenously in divided doses every 4 or 6 hours has been suggested for listerial meningitis. For intrapartum prophylaxis against group B streptococcal infection in the neonate, a maternal dose of 2 g by intravenous injection initially then 1 g every 4 hours until delivery has been suggested. For details of doses in children, see . Ampicillin has been given by other routes, usually as a supplement to systemic therapy. Intraperitoneal or intrapleural injections have been given in a dose of 500 mg daily dissolved in 5 to 10 mL of water. For intra-articular injection, ampicillin 500 mg daily has been given dissolved in up to 5 mL of water or a solution of procaine hydrochloride 0.5%. Ampicillin benzathine has also been given by intramuscular injection. Ampicillin with sulbactam. The sodium salts of ampicillin and sulbactam ( ) may be given intramuscularly or intravenously in the treatment of infections due to beta-lactamase-producing organisms. Doses are expressed in terms of the equivalent amounts of ampicillin and sulbactam; available injections contain ampicillin and sulbactam in the ratio 2:1, respectively. The usual dose is ampicillin 1 g with sulbactam 500 mg every 6 hours; doses may be doubled in severe infections. For oral use sultamicillin ( ), a mutual prodrug of ampicillin and sulbactam, may be given. (last reviewed 2010-08-20; last modified 2010-09-02) References. (last reviewed 2010-08-20; last modified 2009-09-16) 1. 1. Malik ZA, Litman N. Ampicillin and amoxicillin. Pediatr Rev 2006; 27: 434–6. PubMed 2. 2. Rafailidis PI, et al. Ampicillin/sulbactam: current status in severe bacterial infections. Drugs 2007; 67: 1829–49. PubMed 3. 3. Lode HM. Rational antibiotic therapy and the position of ampicillin/sulbactam. Int J Antimicrob Agents 2008; 32: 10–28. PubMed Administration in children (Latest modification: 06-Aug-2010) Ampicillin may be given to neonates and children for the treatment of infections caused by susceptible bacteria and may be given orally, by intramuscular injection, by slow intravenous injection over 3 to 5 minutes, or by intermittent intravenous infusion over 30 minutes. In the UK, licensed oral doses for children up to 10 years of age are 125 to 500 mg every 6 hours, depending on the type and severity of the infection. Additionally, the BNFC 2009 suggests the following oral dose range for neonates and children up to 1 year of age: neonates: 30 to 60 mg/kg, given every 12 hours for neonates less than 7 days old, every 8 hours for those 7 to 21 days old, and every 6 hours for those 21 to 28 days old children 1 month to 1 year of age: 62.5 to 125 mg 4 times daily Recommended intravenous dose ranges in neonates and children are as follows: neonates: 30 to 60 mg/kg, given every 12 hours for neonates less than 7 days old, every 8 hours for those 7 to 21 days old, and every 6 hours for those 21 to 28 days old. For treatment of meningitis, 100 mg/kg per dose is recommended children from 1 month of age: 25 to 50 mg/kg every 6 hours. For listerial meningitis, group B streptococcal infection, and enterococcal endocarditis, 50 mg/kg every 4 to 6 hours (to a maximum of 2 g every 4 hours) is recommended In the USA, the American Academy of Paediatrics1 suggests the following doses given intramuscularly or intravenously: all neonates with a birth-weight less than 1.2 kg, and those less than 1 week old and weighing 1.2 to 2 kg: 25 to 50 mg/kg every 12 hours neonates less than 1 week of age with a birth-weight of more than 2 kg, and those 1 week of age or older with a birth-weight of 1.2 to 2 kg: 25 to 50 mg/kg every 8 hours neonates 1 week of age or older with a birth-weight of more than 2 kg: 25 to 50 mg/kg every 6 hours children 1 month and older: 100 to 150 mg/kg daily in 4 divided doses (to a maximum of 4 g daily). For severe infections, a total daily dose of 200 to 400 mg/kg (to a maximum of 12 g) is recommended Alternatively, for mild to moderate infections in children from 1 month of age, 50 to 100 mg/kg orally, in 4 divided doses, may also be used. Ampicillin is also used in some countries in children to eradicate chronic carriage of Salmonella typhi and S. paratyphi, which can cause typhoid and paratyphoid fever respectively; an intramuscular dose of 10 mg/kg (to a maximum of 250 mg) every 6 hours for 4 to 6 weeks has been recommended. (last reviewed 2010-08-20; last modified 2010-08-06) 1. 1. American Academy of Pediatrics. 2009 Red Book: Report of the Committee on Infectious Diseases, 28th ed. Elk Grove Village, Illinois, USA: American Academy of Pediatrics, 2009. Administration in renal impairment (Latest modification: 26-Nov-2010) UK licensed product information advises that the dose of ampicillin should be reduced, or the dose interval increased, in severe renal impairment (creatinine clearance less than 10 mL/minute). Patients undergoing dialysis should receive an additional dose after the session. A review1 of antimicrobial dosing in critically ill patients receiving renal replacement therapy recommends that patients undergoing continuous renal replacement therapy (CRRT) receive a loading dose of 2 g, followed by maintenance doses of 1 to 2 g at intervals depending on the type of CRRT: continuous venovenous haemofiltration (CVVH): every 8 to 12 hours continuous venovenous haemodialysis (CVVHD): every 8 hours continuous venovenous haemodiafiltration (CVVHDF): every 6 to 8 hours For critically ill patients undergoing intermittent haemodialysis, the authors suggest a dosing regimen of 1 to 2 g every 12 to 24 hours.1 (last reviewed 2010-08-20; last modified 2010-11-26) 1. 1. Heintz BH, et al. Antimicrobial dosing concepts and recommendations for critically ill adult patients receiving continuous renal replacement therapy or intermittent hemodialysis. Pharmacotherapy 2009; 29: 562–77. PubMed Preparations (Latest modification: 01-Jul-2013) Single-ingredient Preparations (Latest modification: 01-Jul-2013) The symbol ¤ denotes a preparation which is discontinued or no longer actively marketed. Argentina: Alpovex; Aminoxidin¤; Ampi-Bis; Ampi¤; Ampicler¤; Ampigen; Ampigrand¤; Ampinox; Ampitenk; Ampixen¤; Atecilina; Bactilina; Decilina¤; Fabopcilina¤; Galciclina; Grampenil¤; Histopen¤; Poenbiotico¤; Trifacilina; Trimicro¤; Welticilina¤; Australia: Alphacin¤; Ampicyn; Austrapen; Ibimicyn; Penbritin¤; Austria: Binotal¤; Doktacillin¤; Standacillin; Belgium: Penbritin¤; Pentrexyl; Brazil: Ampi¤; Ampiciflan; Ampiciklyna¤; Ampicil¤; Ampicilab; Ampicilase; Ampicilib¤; Ampicilil; Ampicilon; Ampicimax¤; Ampicinal¤; Ampicler com Probenecide¤; Ampicler¤; Ampicrom¤; Ampifar¤; Ampigran; Ampilong¤; Ampilozin; Ampispectrin¤; Ampitotal¤; Ampitrat¤; Ampival¤; Ampixin¤; Amplacilina; Amplacin; Amplibac¤; Amplimed¤; Amplitor¤; Amplofen¤; Bacterinil¤; Bacterion¤; Binopen¤; Binotal; Binotine¤; Bipencil¤; Cilinon; Cilipen¤; Degona¤; Emicilin; Expectocilin; Gonocilin¤; Gonol; Gonorrels¤; Gramcilina¤; Lifacilina¤; Natuscilin¤; Notacilin¤; Parenzyme Ampicilina; Praticilin¤; Probenzima¤; Tandrexin¤; Totapen¤; Canada: Ampicin-PRB¤; Ampicin¤; Ampilean¤; Apo-Ampi; Nu-Ampi; Penbritin¤; China: Ai Luo Di; An Tai Lin; Anbixian; Bixianshu; En Pu Luo; Lingxu; Yixide; Czech Republic: ApoAmpi¤; Penstabil¤; Standacillin¤; Denmark: Anhypen¤; Doktacillin¤; Pentrexyl; Finland: A-Pen; France: Negmapen¤; Penicline¤; Prototapen¤; Rosampline¤; Totapen¤; Ukapen¤; Germany: Amblosin¤; Ampensaar¤; Ampi-Tablinen¤; Ampi¤; Ampicillat¤; Binotal¤; duraampicillin¤; Jenampin¤; Pen-Bristol¤; Penstabil¤; Greece: Abetathen; Adelcopen; Allomycin; Ampicipen; Competor; Comrarilin; Copercilex; Extrapen; Frateline; Fraxicilline; Isticilline; Pentrexyl; Picilin; Spiracillin; Stopan; Toscapen; Xanline; Hong Kong: Ampilin¤; Ampisul¤; Amprexyl; Apo-Ampi¤; Dhacillin¤; Pamecil; Penbritin¤; Penodil¤; Pentrexyl¤; Uni-Ampicin¤; Hungary: Penstabil¤; Semicillin; Standacillin; India: Albercilin; Alfacillin; Ampijet; Ampilin; Ampipen; Ampisyn; Ampy; Aristocillin; Bacipen; Biocilin; Broacil; Broadicilin; Campicillin; Cincillin; Dabcilin; Dynacil; Eskaycillin; Ingacillin; Ipacillin¤; JP-Cilin; Maxamp; Megasyn; Monocilin; Natcocillin; Neocillin; Nepocil; Osocillin; Roscillin; Synthocilin; Indonesia: Ambiopi; Amcillin¤; Ampi; Arcocillin¤; Binotal; Biopensyn¤; Cetacillin¤; Corsacillin; Kalpicilin; Opicillin; Parpicillin¤; Penbiotic¤; Penbritin¤; Phapin; Polypen; Primacillin¤; Sanpicillin; Standacillin; Ultrapen¤; Viccillin; Xepacillin; Ireland: Amfipen¤; Clonamp; Novapen¤; Penbritin¤; Pentrexyl¤; Rimacillin¤; Vidopen¤; Israel: Penibrin; Pentrexyl¤; Vitapen¤; Italy: Ampen¤; Ampi-Zoja¤; Ampilan¤; Ampilisa¤; Ampilux; Ampiplus Simplex¤; Ampisint¤; Amplipenyl¤; Amplital; Amplizer¤; Citicil¤; Gramcillina¤; Ibimicyn¤; Lampocillina¤; Penampil¤; Pentrexyl; Platocillina¤; Principen¤; Radiocillina¤; Sesquicillina¤; Totalciclina¤; Japan: Herpen¤; Malaysia: Ampilin; Biocil¤; Pamecil; Setcillin¤; Standacillin; Mexico: Acilmed; Acimpil¤; Alphapen; Alvedrin¤; Am-An; Ambidrin¤; Ambiosol; Ampex; AmpiQuim; Ampi-Tecno; Ampibal¤; Ampicidar¤; Ampidrat¤; Ampigrin¤; Ampilon¤; Ampimex; Ampiset¤; Ampisuspen¤; Amprexyn¤; Amsapen; Anglopen¤; Azpencil¤; Bacticil¤; Bestcilina-A; Binotal; Bremecina¤; Brupen; Deamcilina¤; Dibacilina; Diferin; Expicin; Fenipencil¤; Flamicina; GramipenF; Ifecin¤; Iqfacilina; Lampicin¤; Linapen¤; Luzampil; Marovilina; Meprizina¤; Mexapin¤; Mibiot; Omnipen; Pebiot; Penbritin; Pentiver; Pentrexyl; Procilina; Prodifer¤; Promecilina; Rayepen¤; Riganpil¤; Sinaplin; Totipen¤; Tronex; Unicilin¤; Yapamicin¤; Zumorin; Netherlands: Amfipen¤; Penbritin¤; Pentrexyl¤; Norway: Doktacillin¤; Pentrexyl; Philippines: Aldribid; Ampicin; Ampiclin; Ampico; Ampinex; Ampisan; Ampitrex; Ampizef; Bactimed¤; Cilisod; Clovillin; Dincil; Dinpen; Eurocin; Excillin; Famacin; Gramcil; Mapciril; Microcilin; Obocil; Panacta; Penbritin; Pentrexyl¤; Picaplin; Polypen; Rotocin; Shinapen; Sodampen; Trumepen; Vatacil; Portugal: Amplifar¤; Britacil¤; Cilin¤; Estreptobroncol¤; Hiperbiotico Retard; Hiperbiotico; Russia: Standacillin (Стандациллин); Zetsyl (Зетсил); South Africa: Acupillin¤; Ampi-Rol¤; Ampicyn¤; Ampimax¤; Ampipen; Ampisalt¤; Be-Ampicil; Co-Cillin¤; Dyna-Ampcil¤; Excillin¤; Hexacillin¤; M-P-Cil; Penbritin¤; Penrite¤; Pentrex¤; Petercillin¤; Ranamp; Spectracil¤; Statcillin¤; Singapore: Ampicap; Ampilin; Ampitab¤; Dhacillin; Pamecil¤; Penbritin¤; Pricillin¤; Standacillin; Spain: Ampi Oral¤; Ampiciman¤; Ampicur¤; Ampikel¤; Ampiplus¤; Amplimedix¤; Ampliomax¤; Antibiopen¤; Bactosone Retard¤; Binotal¤; Britapen; Ciarbiot¤; Electopen¤; Espectral¤; Gobemicina; Maxicilina¤; Nuvapen¤; Panestes¤; Penimaster¤; Pentrexyl¤; Resan¤; Sintecilina¤; Togram¤; Ultrabion¤; Urebion¤; Valmingina¤; Sweden: Doktacillin; Pentrexyl¤; Switzerland: Arcocillin¤; Cimexillin¤; Servicillin¤; Thailand: Amcillin¤; Amicilin; Amilin¤; Ampac; Ampat¤; Ampexin¤; Ampi Frx; Ampi-Oral; Ampi; Ampicin; Ampicyn¤; Ampihof; Ampilin; Ampillin; Ampimycin; Ampipac; Ampra; Amprexyl; Ampro¤; Eracillin¤; Medicillin; Penbritin¤; Pencotrex¤; Pentrexyl¤; Servicillin¤; Siampicil¤; Sumapen¤; Utocillin; Vacillin¤; Viccillin¤; Turkey: Alfasilin; Ampisid; Ampisina; Neosilin; Penbisin¤; Seskasilin; Silina; United Arab Emirates: Julphapen; United Kingdom: Amfipen¤; Flu-Amp¤; Magnapen¤; Magnapen; Magnapen; Penbritin; Rimacillin; Vidopen¤; United States: D-Amp¤; Marcillin¤; Omnipen-N¤; Omnipen¤; Polycillin-N¤; Polycillin-PRB¤; Polycillin¤; Principen with Probenecid¤; Principen; TotacillinN¤; Totacillin¤; Venezuela: Alampen; Ampen¤; Ampenina; Ampiga¤; Ampilan; Arcocilin; Fibrapen¤; Intrapen¤; Neoampicil¤; Multi-ingredient Preparations (Latest modification: 01-Jul-2013) The symbol ¤ denotes a preparation which is discontinued or no longer actively marketed. Argentina: Aminoxidin Sulbactam; Ampi-Bis Plus; Ampigen SB; Amplibenzatin Bronquial; Aseptobron Ampicilina¤; Cronopen Balsamico; Grampenil Bronquial¤; Meticil; Prixin; Unasyna¤; Unsayna¤; Austria: Totocillin¤; Unasyn; Brazil: Ambezetal; Ampifar Balsamico¤; Ampizan¤; Amplotal¤; Benzotal Balsamico¤; Benzotal; Binotine Balsamico¤; Combactan; Durapen Balsamico¤; Durapen¤; Expectocilin Balsamico¤; Genitopen¤; Labfcilina¤; Optacilin Balsamico¤; Optacilin; Probenzima Ampicilina¤; Soma Balsamico¤; Soma¤; Sulbacter¤; Unasyn; Urobiotic¤; Uropielon; Chile: Auropennz; Unasyn; China: Fumaixin; Jielite; Kaifa; Pu Shu; Shu An Xin; Shuanxilin; Shudi; Shutabituo; Stanyn; Unasyn; Xin An Lin; Zhuo Tong; Czech Republic: Ampiclox¤; Bitammon; Unasyn; France: Unacim; Germany: Ampicillin comp; Broncho-Binotal¤; Summopenil¤; Totocillin¤; Unacid; Uro-Binotal¤; Greece: Begalin-P; Demotine; Hong Kong: Ampiclox¤; APT-Ampicloxa¤; Cloxamp¤; Cloxampi¤; Cloxampilin¤; Co-Amclox¤; Lampicin¤; Pamedox¤; Roscilox¤; Unasyn; Hungary: Unasyn; India: ADC; Adilox; AK-60; Alcilox; Amci-Clox; Amclominus; Amclox; Amiclox Plus; Amisul; Amklok; Ampicloxa; Ampilong; Ampilox-LB; Ampilox; Ampitum; Amplus; Amplus; Ampoxin-LB; Ampoxin; Ampy C; Ampy S; Ampylox; Ampysul; Amsat; Baciclox; Bactimox Plus; Bactimox; Baxin-D-LB; Baxin-D; Baxin-LB; Baxin; Betamp; Biclopen; Bilactam; Broadiclox-LB; Broadiclox; Campicillin Plus; Campilox-LB; Campilox; Cilclox; Cinclox-S; Clacin; Clax; Climpen; Clomentin; Clompic; Clotrop; Cloxapene; Cloxcin; Combilox-LB; Combilox; Combipen; D-Clox; Dabcilox; DC-Ped; DC; Duoclox; Elclox Plus; Elclox; Emulox; Eradiclox; Euphoclox; G-Clox; Hclox; IntacloxD; Kloxamp; Magnacillin; Mediclox Plus; Megaclox LB; Megaclox; Megapen; Napi-D; Nepoclox; Omnipen; Osocillin-S; Sulbacin; Ireland: Ampiclox¤; Israel: Unasyn; Italy: Ampiplus¤; Amplium; Bethacil; Diamplicil¤; Duplexcillina¤; Duplexil¤; Infectrin¤; Loricin; Sobrepin Antibiotico¤; Unasyn; Japan: Sulperazon¤; Unasyn-S; Malaysia: Easyn; Shinasyn; Sulbacin; Sulbamp; Unasyn; Mexico: Ampiclox-D¤; Anglotex¤; Bisolvon A; Brucilina; Brupen Compuesto; Diamprex¤; Doxapen¤; Mucolin; Panac K¤; Panac; Penbritin Ex; Pentibrom; Pentidix; Pentrexyl Expec; Unasyna; Netherlands: Ampiclox¤; Philippines: Ambacitam; Ampimax; Ampisul; Dinocin; Silgram; Subacillin; Sulbacin; Sultacillin; Unasan; Unasyn; Poland: Unasyn; Russia: Libakcil (Либакцил); Oxamp (Оксамп); Oxampicine (Оксампицин); Oxamsar (Оксамсар); Sulbacin (Сульбацин); Sultasin (Сультасин); Unasyn (Уназин)¤; South Africa: Ampiclox¤; Ampoxin; Apen; Cloxam; Megamox; Pentrex-F¤; Ranclosil¤; Singapore: Unasyn; Spain: Alongamicina Balsa¤; Alongamicina¤; Amintestin¤; Ampiciliber Bronquial¤; Ampiciliber¤; Ampilevel¤; Ampinova Simple¤; Ampiorus Balsamico¤; Ampipulmo¤; Amplibiot¤; Angicilin¤; Anginum¤; Bacimex¤; Bactosone¤; Bio Espectrum¤; Bisolvon Ampicil Retard¤; Bisolvon Ampicilina¤; Brixilon¤; Bronco Pensusan¤; Broncobacter¤; Broncobioxin¤; Broncosolvente Mucolitic¤; Broncotyfen¤; Combitorax Ampicilina¤; Complexobiotico Bals¤; Cusipen Balsamico¤; Cusipen¤; Electopen Balsam Retard¤; Electopen Balsam¤; Electopen Retard¤; Espectral Balsamico¤; Espectral¤; Espectrosira¤; Etro Balsamico¤; Etro¤; Exapenil Mucolitico¤; Fidesbiotic Simple¤; Galotam¤; Gobemicina Retard¤; Hispamicina Retard¤; Maxicilina Balsamica¤; Maxicilina¤; Miliken Mucol Med Retard¤; Miliken Mucol Retard¤; Miliken Mucolitico¤; Mucorex Ampicilina¤; Neo Penprobal¤; Neoflaina¤; Nuvapen Mucolitico Retard¤; Nuvapen Retard¤; Panestes Retard¤; Pectosan Ampicilina¤; Pectox Ampicilina¤; Penisintex Balsamico¤; Penisintex Bronquial¤; Pentrexyl Balsamic¤; Pulminflamatoria¤; Pulmospin¤; Pulmosterin Retard¤; Resan Mucolitico¤; Resan Retard¤; Resisten Retard¤; Retarpen Balsamico¤; Retarpen Mucolitico¤; Retarpen; Sinus¤; Sulquibron¤; Tosmina Retard¤; Tusolone¤; Ultrabion Balsamico¤; Ultrabion¤; Ultrapenil¤; Unasyn¤; Switzerland: Pencloxin¤; Thailand: Ampcoxin; Ampiclox¤; Polyclox¤; Sulam; Sulbaccin; Sulbacilline; Unasyn; Viccillin-S¤; Turkey: Alfasid; Azosilin; Combicid; Devasid; Duobak; Duobaktam; Duocid; Nobecid; Probicid; Sulbaksit; Sulcid; Sultasid; Sultibac; United Kingdom: Ampiclox¤; Dicapen¤; Flu-Amp¤; Magnapen¤; Magnapen; Magnapen; Ukraine: Unasyn (Уназин); United States: Unasyn; Venezuela: Ampibactan; Ampitren¤; Fipexiam; Sinif; Unasyn; Pharmacopoeial Preparations (Latest modification: 06-Dec-2011) BP 2013: Ampicillin Capsules; Ampicillin Injection; Ampicillin Oral Suspension; Co-fluampicil Capsules; Co-fluampicil Oral Suspension; USP 36: Ampicillin and Probenecid for Oral Suspension; Ampicillin and Sulbactam for Injection; Ampicillin Capsules; Ampicillin for Injectable Suspension; Ampicillin for Injection; Ampicillin for Oral Suspension; Ampicillin Tablets; Martindale: The Complete Drug Reference © 2013 The Pharmaceutical Press. MedicinesComplete © The Pharmaceutical Press 2013