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Pronunciation

GREEN tee

Classifications

Therapeutic Classification: central nervous system stimulants

Indications

Complementary/Alternative Medicine: This monograph describes a natural or herbal product that is not subject to FDA guidelines for medicines. Patients and clinicians are advised to read package labels carefully to ensure safe and efficacious use.

REMS


Action

  • 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/Excretion: Unknown.

Half-Life: Unknown.

Time/Action Profile

ROUTEONSETPEAKDURATION
POunknownunknownunknown

Contraind./Precautions

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects

CV: arrhythmia, tachycardia

CNS: agitation, dizziness, excitement, insomnia, tremors

GI: abdominal pain, diarrhea, hepatotoxicity, nausea, vomiting

F and E: hypokalemia

Endo: hyperglycemia

Hemat: prolonged bleeding time

Interactions

Natural-Drug Products:

Natural-Natural Products:

Route/Dosage

Availability

Assessment

Lab Test Considerations:

Implementation

Patient/Family Teaching

Evaluation/Desired Outcomes

US Brand Names

Camellia sinensis