About amantadin e hcl
Antiviral and antiparkinson medicine
Used for
- Parkinson’s disease and drug-induced movement symptoms
- Prevention or treatment of influenza A, though resistance limits use
Usual adult dose
Parkinson’s disease: usually 100 mg once or twice daily; influenza A: 200 mg daily, if recommended locally.
Usual dose in children
Influenza A dosing depends on age and weight; specialist guidance is needed. Not routinely used for children’s Parkinson’s disease.
Common side effects
- Nausea, dizziness, or dry mouth
- Insomnia or confusion
- Swollen ankles
- Mottled skin
Important warnings
- Dose reduction may be needed with kidney problems.
- Can cause hallucinations, mood changes, or worsening confusion.
- Stopping suddenly may worsen Parkinson’s symptoms.
- Influenza A resistance means it is not routinely recommended in many regions.
Pregnancy
Use only when clearly needed; discuss potential risks with a healthcare professional.
Breastfeeding
May reduce milk supply; seek professional advice before use.
Interactions
- Anticholinergic medicines may increase confusion or dry mouth.
- Other medicines affecting the nervous system may increase side effects.
- Live intranasal influenza vaccine may be affected.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.