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Rimantadine Dosage

Medically reviewed by Drugs.com. Last updated on Aug 10, 2023.

Applies to the following strengths: 100 mg; 50 mg/5 mL

Usual Adult Dose for Influenza A

100 mg orally twice a day for 7 days

Comments:


Use: For the treatment of illness caused by various strains of influenza A virus.

Usual Adult Dose for Influenza Prophylaxis

100 mg orally twice a day

Comments:


Use: For the prophylaxis of illness caused by various strains of influenza A virus.

Usual Pediatric Dose for Influenza A

17 years or older:
100 mg orally twice a day for 7 days

Comments:


Use: For the treatment of illness caused by various strains of influenza A virus in patients 17 years or older.

Usual Pediatric Dose for Influenza Prophylaxis

1 to 9 years: 5 mg/kg (up to 150 mg) orally once a day
Maximum dose: 150 mg/day

10 years or older: 100 mg orally twice a day

Comments:


Use: For the prophylaxis of illness caused by various strains of influenza A virus in children 1 year or older.

Renal Dose Adjustments

Severe renal dysfunction (CrCl 5 to 29 mL/min) or renal failure (CrCl 10 mL/min or less): 100 mg orally once a day

Liver Dose Adjustments

Severe liver dysfunction: 100 mg orally once a day

Dose Adjustments

Elderly nursing home patients: 100 mg orally once a day

Precautions

CONTRAINDICATIONS:


Safety and efficacy for the treatment of symptomatic influenza have not been established in patients younger than 16 years.
Safety and efficacy for the prophylaxis of influenza have not been established in patients younger than 1 year.

Consult WARNINGS section for additional precautions.

Dialysis

100 mg orally once a day

Comments:

Other Comments

On the basis of available antiviral testing results, the Centers for Disease Control and Prevention (CDC) recommend that rimantadine not be used for treatment or prophylaxis of currently circulating influenza A virus strains; oseltamivir or zanamivir recommended if antiviral medication needed.

Administration advice:


Reconstitution/preparation techniques:

General:

Monitoring:

Further information

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