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BENPERIDOL ^ Bendamustine Hydrochloride see Bendamustine ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ involuntary movements. May be associated with depression and suicidal thoughts/behavior. Use extreme caution in patients with psychotic disorders or patients receiving phenothiazines or TCAs. May increase human growth hormone levels. Use caution in patients with cardiovascular disease (MI, atrial, nodal, or ventricular arrhythmias); initiate in a monitored setting. Use caution in patients with ulcers, seizure disorders, and diabetes. Monitor IOP carefully in patients with wide-angle glaucoma. Use caution in patients with renal or hepatic impairment; use is contraindicated in decompensated renal or hepatic disease. Do not withdraw abruptly (may cause neuroleptic malignant syndrome [NMS]). Patient must be instructed to resume normal activities gradually (rapid mobilization may increase risk of injury). Dopamine agonists used for Parkinson’s disease or restless legs syndrome have been associated with compulsive behaviors and/or loss of impulse control, which has manifested as pathological gambling, libido increases (hypersexuality), and/or binge eating. Causality has not been established, and controversy exists as to whether this phenomenon is related to the underlying disease, prior behaviors/addictions and/or drug therapy. Dose reduction or discontinuation of therapy has been reported to reverse these behaviors in some, but not all cases. Risk for melanoma development is increased in Parkinson’s disease patients; drug causation or factors contributing to risk have not been established. Patients should be monitored closely and periodic skin examinations should be performed. on page 210 Benefiber® [OTC] see Wheat Dextrin on page 1932 Benefiber® Plus Calcium [OTC] see Wheat Dextrin on page 1932 BeneFix® see Factor IX on page 734 Benemid [DSC] see Probenecid on page 1511 Benflumetol and Artemether see Artemether and Lumefantrine on page 156 BenGay® [OTC] see Methyl Salicylate and Menthol on page 1191 Benicar® see Olmesartan on page 1323 Benicar HCT® see Olmesartan and Hydrochlorothiazide on page 1325 Benlysta® see Belimumab on page 206 Benlysta™ (Can) see Belimumab on page 206 Benoxinate Hydrochloride and Fluorescein Sodium see Fluorescein and Benoxinate on page 783 Benperidol [INT] (ben PER i dole) International Brand Names Anquil (GB, IE); Benperidolneuraxpharm (DE); Concilium (AR); Frenactil (BE, LU, NL); Glianimon (DE, GR) Pharmacologic Category Antipsychotic Agent, Typical, Phenothiazine Reported Use Treatment of psychotic conditions including control of deviant antisocial sexual behavior Dosage Range Adults: Oral: 0.25-1.5 mg/day in divided doses Product Availability Product available in various countries; not currently available in the U.S. Patients must be cautioned about performing tasks which require mental alertness. [Canadian Boxed Warning]: Patients have reported falling asleep while engaging in activities of daily living and sometimes without significant warning signs. Monitor for daytime somnolence or preexisting sleep disorder; discontinue if significant daytime sleepiness or episodes of falling asleep occur. Use with caution in patients receiving other CNS depressants or psychoactive agents; effects with other sedative drugs or ethanol may be potentiated. Dosage Forms Tablet: 0.25 mg Benserazide and Levodopa [CAN/INT] Distribute dietary protein throughout the day to avoid fluctuations of levodopa absorption. Use with caution in the elderly; may be more sensitive to CNS effects of levodopa. Adverse Reactions Frequency not defined. Cardiovascular: Arrhythmias, chest pain, edema, ECG changes (nonspecific), flushing, hypertension, orthostatic hypotension, pallor, phlebitis Central nervous system: Agitation, anxiety, ataxia, bruxism, confusion, delusions, dementia, depression, euphoria, faintness, fatigue, fever, gait abnormalities, hallucinations (mostly visual), headache, impulse control symptoms (including pathological gambling), insomnia, lethargy, malaise, neuroleptic malignant-like syndrome, nightmares, oculogyric crisis, on-off phenomena, paranoid ideation, psychotic episodes, sedation, seizures, somnolence, suicidal tendencies/behavior, temporal disorientation, trismus Dermatological: Alopecia, pruritus, rash Endocrine & metabolic: Libido increased, protein-bound iodine increased, uric acid increased Gastrointestinal: Abdominal distress or pain, anorexia, burning sensation on tongue, constipation, diarrhea, duodenal ulcer, dysphagia, epigastric pain, eructation, flatulence, GI bleeding, nausea, sialorrhea, taste alterations, vomiting, weight gain/loss, xerostomia Genitourinary: Discoloration of urine, hematuria, nocturia, urinary frequency, urinary retention or incontinence Hematologic: Agranulocytosis, hemolytic anemia (rare), leukopenia (transient), Positive Coombs' test, thrombocytopenia Hepatic: Alkaline phosphatase increased, bilirubin increased, LDH increased, transaminases increased (ben SER a zide & lee voe DOE pa) Brand Names: Canada Prolopa® Index Terms Levodopa and Benserazide Pharmacologic Category Anti-Parkinson's Agent, Dopamine Agonist Use Treatment of Parkinson's disease (except druginduced Parkinsonism) Pregnancy Considerations Teratogenic effects have been observed with levodopa in animal reproduction studies; use is contraindicated in pregnant women and women of childbearing age without proper contraception. Lactation Excretion in breast milk unknown/not recommended Contraindications Hypersensitivity to benserazide, levodopa, sympathomimetics, or any component of the formulation; use with or within 14 days of MAO inhibitors; patients with clinical laboratory evidence of uncompensated cardiovascular, endocrine, renal, hepatic, hematologic, or pulmonary disease; patients with decompensated endocrine, renal, hepatic, cardiac disorders, psychiatric disorders, narrow-angle glaucoma, or closed-angle glaucoma; patients <25 years of age (due to possibility of skeletal abnormalities from benserazide); pregnancy or use in women of childbearing potential without adequate contraception Warnings/Precautions If patient is already receiving levodopa, discontinue levodopa at least 12 hours before starting benserazide/levodopa and begin at 15% of previous amount of levodopa. Not indicated in management of intention tremor, Huntington's chorea, or drug-induced extrapyramidal symptoms. Administer in careful increments and observe closely for development of abnormal 212