10 Side Effects of Amantadine and How To Use It

Amantadine is a prescription drug. It is indicated for the treatment of the symptoms of Parkinson’s disease and Parkinson-like symptoms. Parkinson’s disease is a condition that causes difficulties with muscle control, movement and balance. It may also be used for purposes as determined by your physician.

Amantadine can control the movement problems associated with Parkinson’s disease. It can also control the side effects of other medications known as extrapyramidal reactions. It is also prescribed by doctors for the prevention of influenza symptoms and for the treatment of respiratory infections due to influenza A virus.

Amantadine belongs to the class of drug known as Adamantanes.  It is approved by the U.S. FDA for both as an anti-parkinsonian and anti-viral medication. For viral infections, it works by stopping the growth of the influenza A virus. For treating Parkinson’s disease, it increases the effects of dopamine in the brain. People with Parkinson’s disease usually have low levels of dopamine.

How to use Amantadine?

Take this drug exactly as prescribed or you may follow the directions on the medication guide. This medication comes in a capsule, tablet and liquid forms.

Influenza A virus:

The usual recommended dose is 200 mg or four teaspoons once a day for teens. For an older adults, their dose is 100mg once a day. Children 9 to 12 years of ages, the recommended dose are two teaspoons of Amantadine, two times a day. While children ages 1 to 9, their dose is based on weight. The recommended dose is 4.4 to 8.8 mg per kilogram.

Parkinson’s disease:

The recommended dose for an adult is 100 mg two times a day. For older adult, their dose is 100 mg once a day but their doctor may adjust their dose.

What are the Side effects of Amantadine?

Common side effects are:

• Dizziness
• Blurred vision
• Trouble sleeping
• Lightheadedness

Serious side effects are:

• Rash
• Shortness of breath
• Difficulty urinating
• Anxiety
• Depression
• Swelling of legs, hand and feet

Call your doctor in case of serious side effects.

Important Information

• Amantadine is not effective for seasonal flu.
• Taking this medication while drinking alcoholic beverages may cause issues like dizziness, fainting and circulation problems.
• This product may interact with other medications. Inform your doctor if you are taking any other medications for your conditions before using this drug.
• Do not stop using this medication all of a sudden.
• Your condition may take up several weeks to improve. If it doesn’t get better, consult your doctor right away.