Download green tea (greentee)

Name /bks_53161_deglins_md_disk/greentea
02/14/2014 02:17PM
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cose control); Cardiac conditions (may induce arrhythmias in sensitive individuals);
Bleeding disorders.
green tea (green tee)
Adverse Reactions/Side Effects
CV: arrhythmia, tachycardia. CNS: agitation, dizziness, excitement, insomnia, tremors. GI: nausea, vomiting, diarrhea, hepatotoxicity, abdominal pain. F and E: hypokalemia. Endo: hyperglycemia. Hemat: prolonged bleeding time.
Interactions
Natural Product-Drug: Green tea maypeffects of adenosine.qrisk of bleeding
Other Name(s):
Camellia sinensis
Classification
Therapeutic: central nervous system stimulants
Bladder, esophageal, ovarian and pancreatic cancer risk reduction, mental alertness,
hypotension, cervical dysplasia associated with human papillomavirus infection, hyperlipidemia, weight loss, protection of the skin from sun damage, genital warts, dental caries, Parkinson’s disease.
with anticoagulants or antiplatelet agents.qeffects of CNS stimulants. May impair glucose control from antidiabetic agents. abrupt withdrawal canqlithium
levels. Maypdipyridamole — induced vasodilation. verapamil canqcaffeine
concentrations by 25%. additive effects with methylxanthines.
Natural-Natural Products:qrisk of adverse cardiovascular effects with bitter
orange.qrisk of hepatotoxicity with hepatotoxic herbs or supplements.qrisk of seizures, hypertension or stroke with ephedra and creatine.
Action
Route/Commonly Used Doses
Common Uses
Caffeine in green tea stimulates the CNS and cardiovascular system through adenosine receptor blockade and phosphodiesterase inhibition. Therapeutic Effects:
Improved cognitive performance and mental alertness.
Pharmacokinetics
Absorption: Unknown.
Distribution: Unknown.
Metabolism and Excretion: Unknown.
Half-life: Unknown.
PO (Adults): Range: 1– 10 cups/day. One cup provides approximately 60 mg of caffeine.
NURSING IMPLICATIONS
Assessment
● Monitor BP and heart rate periodically during therapy.
● Lab Test Considerations: Monitor serum glucose, homocysteine and uric acid
levels periodically during therapy.
● Monitor liver and kidney function periodically during therapy.
Potential Nursing Diagnoses
TIME/ACTION PROFILE
Impaired memory (Indications)
ROUTE
ONSET
PEAK
DURATION
PO
Unknown
Unknown
Unknown
Contraindications/Precautions
Contraindicated in: Allergy/hypersensitivity; Pregnancy and lactation (doses
⬎200 m g/day due to caffeine content).
Implementation
● May be taken as tea or as an extract in capsules.
Patient/Family Teaching
● Advise women who may be pregnant or who are breast feeding to limit green tea
due to the caffeine content.
Use Cautiously in: Patients with caffeine sensitivity. Long term use of doses ⬎250
Evaluation
m g/day may produce tolerance, psychological dependence, tachyarrhythmias, and
sleep disturbances; Iron deficiency anemia (may worsen); Diabetes (may impair glu-
Why was this drug prescribed for your patient?
⫽ Canadian drug name.
⫽ Genetic Implication.
● Improvement in memory.
CAPITALS indicate life-threatening, underlines indicate most frequent.
Strikethrough ⫽ Discontinued.
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