Unknown / Multiple | Amantadine (Medication)


Amantadine is used to treat Parkinson's disease and conditions similar to those of Parkinson's disease. It also is used to prevent and treat respiratory infections caused by influenza A virus. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

If you have been infected with the flu, this medication may help make your symptoms less severe and shorten the time it will take you to get better. Taking Amantadine if you have been or will be exposed to the flu may help to prevent you from getting the flu. This medication is an antiviral (not a vaccine) that is believed to work by stopping growth of the flu virus. To increase the chance that you will not get the flu, it is important to get a flu shot once a year at the beginning of every flu season, if possible. ...

Side Effect:

If you have any of these signs of an allergic reaction:hives; difficulty breathing; swelling of your face, lips, tongue, or throat you should immediately get medical help.

Contact your doctor if you have any of these serious side effects:feeling short of breath, even with mild exertion; swelling, rapid weight gain; feeling depressed, agitated, or aggressive; behavior changes, hallucinations, thoughts of hurting yourself; urinating less than usual or not at all; high fever, stiff muscles, confusion, sweating, fast or uneven heartbeats, rapid breathing, feeling like you might pass out; restless muscle movements in your eyes, tongue, jaw, or neck; or tremor. ...


Before taking amantadine, tell your doctor or pharmacist if you are allergic to any of the inactive ingredients of Amantadine or to Rimantadine. Talk to your doctor or pharmacist if you have any other allergies. Tell your doctor or pharmacist your medical history, especially of:swelling of arms/legs (peripheral edema), heart problems (e. g. , congestive heart failure), blood pressure problems (e. g. , dizziness when standing), kidney disease, liver disease, mental/mood conditions (e. g. , depression, psychosis), seizures, a certain skin condition (eczematoid dermatitis).

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:a certain type of eye disease (untreated closed-angle glaucoma).

Amantadine should not be discontinued abruptly in patients with Parkinson’s disease since a few patients have experienced a parkinsonian crisis (a sudden marked clinical deterioration, when this medication was suddenly stopped). The dose of anticholinergic drugs or of Amantadine should be reduced if atropine-like effects appear when these drugs are used concurrently. Abrupt discontinuation may also precipitate delirium, agitation, delusions, hallucinations, paranoid reaction, stupor, anxiety, depression and slurred speech. ...