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Levodopa Dosage

Medically reviewed by Last updated on Jul 3, 2023.

Applies to the following strengths: 500 mg; 250 mg; 100 mg; 42 mg

Usual Adult Dose for Parkinson's Disease

84 mg via oral inhalation as needed when OFF period starts to return; may dose up to 5 times a day
Maximum dose per OFF period: 84 mg
Maximum daily dose: 420 mg


Use: For the intermittent treatment of OFF episodes in patients with Parkinson's disease treated with carbidopa/levodopa.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available



Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:

Storage requirements:


Patient advice:

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.