How to Take Amantadine and Dose of Amantadine


Find out how to take Amantadine (drug) and its dose. Describes the best time to take the drug and precautions if any that should be followed.

How to take Amantadine


How it should be taken  

It comes as a capsule to take by mouth, with food.

Dosage & When it is to be taken

Adult: PO- Influenza A -100 mg/day for 5 days.
Prophylaxis of influenza A -100 mg/day for up to 6 wk. W/ influenza vaccination: up to 3 wk after vaccination.
Herpes zoster- 100 mg twice daily for 14 days, may continue for another 14 days if pain persists.
Parkinson's disease-100 mg/day, up to 100 mg twice daily after ≥1 wk. Max: 400 mg/day.

When it is not to be taken (Contraindications) 

Hypersensitivity.

Why it is prescribed (Indications)  

This medication is a synthetic (man-made) anti-viral and antiparkinson agent, prescribed for Parkinson's disease and also for treating certain types of flu.  It also is used to prevent and treat respiratory infections caused by influenza A virus.

Pregnancy Category

Category C : Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Warnings and Precautions  

Caution should be exercised in patients with heart or liver disease, kidney impairment, skin disease, mood problems, suicidal thoughts or actions, seizures, increased eye pressure, elderly, any allergy, who are taking other medications, during pregnancy and breastfeeding.
It may cause drowsiness, dizziness or blurred vision, do not drive a car or operate machinery and get up slowly from bed while taking this medication.
Avoid alcohol consumption.
It may cause heatstroke, avoid becoming overheated.
Patient may develop with increased risk of neuroleptic malignant syndrome (NMS- life- threatening neurological disorder) with the following symptoms: fever; stiff muscles, confusion, abnormal thinking, fast or irregular heartbeat and sweating; if it so consult with your doctor.

Storage Conditions  

Oral: Store it at room temperature (20-25C) and in an airtight container. Keep away from children.

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