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Dextromethorphan / Quinidine Dosage

Medically reviewed by Last updated on Aug 11, 2023.

Applies to the following strengths: 20 mg-10 mg

Usual Adult Dose for Pseudobulbar Affect

Comments: The need for continued treatment should be reassessed periodically as spontaneous improvement of PBA occurs in some patients.

Use: Treatment of Pseudobulbar Affect (PBA)

Renal Dose Adjustments

Liver Dose Adjustments


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:


Patient Advice:

Further information

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