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Indications

REMS

Contraind./Precautions

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects

CV: hypotension.

Derm: MELANOMA.

GI: abdominal pain, colitis, diarrhea, nausea (during initiation), retroperitoneal fibrosis.

GU: brownish-orange discoloration of urine.

MS: dyskinesia, RHABDOMYOLYSIS.

Neuro: aggressive behavior, agitation, confusion, delirium, disorientation, dizziness, hallucinations, NEUROLEPTIC MALIGNANT SYNDROME, paranoid ideation, syncope, urges (gambling, sexual).

Resp: pleural effusion, pleural thickening, pulmonary infiltrates.

Interactions

Drug-Drug:

Availability

(Generic available)

Route/Dosage

US Brand Names

Comtan

Action

Therapeutic Effects:

Classifications

Therapeutic Classification: antiparkinson agents

Pharmacologic Classification:

Pharmacokinetics

Absorption: 35% absorbed following oral administration; absorption is rapid.

Distribution: Widely distributed to tissues.

Protein Binding: 98%.

Metabolism/Excretion: Minimal amounts excreted unchanged; highly metabolized followed by biliary excretion.

Half-life: Initial phase: 0.4–0.7 hr; second phase: 2.4 hr.

Time/Action Profile

(inhibition of COMT)

ROUTEONSETPEAKDURATION
POunknownunknownup to 8 hr

Patient/Family Teaching

Pronunciation

en-TAK-a-pone audio

Code

NDC Code*