Contraindicated in:
Use Cautiously in:
CV: orthostatic hypotension (may ↑ levodopa-induced hypotension), ↑ BP, chest pain, syncope.
Derm: ↑melanoma risk, alopecia, ecchymosis, rash.
EENT: conjunctivitis, rhinitis.
GI: ↓weight, anorexia, dizziness, dyspepsia, gastroenteritis, vomiting.
GU: ↓libido, albuminuria.
Hemat: leukopenia.
MS: arthralgia, arthritis, neck pain.
Neuro: depression, dizziness, drowsiness, dyskinesia (may ↑ levodopa-induced dyskinesia), hallucinations, impulse control disorders (gambling, sexual), malaise, paresthesia, sleep driving, vertigo.
Drug-Drug:
Drug-Natural Products:
Drug-Food:
Hepatic Impairment
Therapeutic Classification: antiparkinson agents
Pharmacologic Classification: monoamine oxidase type b inhibitors
Absorption: 36% absorbed following oral administration.
Distribution: Extensively distributed to tissues; readily crosses the blood-brain barrier.
Metabolism/Excretion: Extensively metabolized by the liver primarily by the CYP1A2 isoenzyme to an inactive metabolite; <1% excreted in urine.
Half-life: 1.3 hr; does not correlate with duration of MAO-B inhibition.