Parkinsonism:
Indications for: RYTARY
Treatment of Parkinson's disease, post-encephalitic parkinsonism, and parkinsonism that may follow carbon monoxide intoxication or manganese intoxication.
Adult Dosage:
Swallow whole. If difficulty swallowing, may open capsule and sprinkle contents on applesauce (1–2tbsp); consume immediately. Individualize. Levodopa-naive: initially 23.75mg/95mg 3 times daily for the first 3 days; may increase to 36.25mg/145mg 3 times daily on the fourth day; up to max 97.5mg/390mg 3 times daily. May increase to max 5 times daily if more frequent dosing needed and tolerated. Max daily dose: 612.5mg/2450mg. Converting from IR carbidopa-levodopa: see full labeling. Currently taking carbidopa-levodopa with concomitant COMT inhibitors (eg, entacapone): may need to increase initial daily dose; see full labeling.
Children Dosage:
Not established.
RYTARY Contraindications:
During or within 2 weeks of nonselective MAOIs (eg, phenelzine, tranylcypromine).
RYTARY Warnings/Precautions:
Not interchangeable with other carbidopa-levodopa products. Sleep disorders: consider discontinuing if significant daytime sleepiness occurs. History of MI or arrhythmias; monitor cardiac function. Risk of hallucinations and psychosis. Major psychotic disorder: not recommended. Impulse control/compulsive behaviors; consider dose reduction or discontinuation if develops. Peptic ulcer. Glaucoma: monitor IOP. Perform skin exams to monitor for melanoma. Withdrawal-emergent hyperpyrexia or confusion: avoid sudden discontinuation or rapid dose reduction. Pregnancy. Nursing mothers.
RYTARY Classification:
Dopa-decarboxylase inhibitor + dopamine precursor.
RYTARY Interactions:
See Contraindications. Orthostatic hypotension with MAO-B inhibitors (eg, rasagiline, selegiline); monitor. Antagonized by dopamine D2 receptor antagonists (eg, phenothiazines, butyrophenones, risperidone, metoclopramide), isoniazid, iron salts. Delayed absorption with high-fat, high-calorie meals.
Adverse Reactions:
Nausea, dizziness, headache, insomnia, abnormal dreams, dry mouth, dyskinesia (reduce doses), anxiety, constipation, vomiting, orthostatic hypotension.
How Supplied:
Ext-rel caps—100, 240