What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Depression
- Eczema
- Feel sleepy or have fallen asleep suddenly during the day
- Frequently drink alcohol
- Glaucoma
- Heart failure
- Kidney disease
- Low blood pressure
- Schizophrenia
- Seizures
- Sleep apnea
- Suicidal thoughts, plans, or attempt by you or a family member
- An unusual or allergic reaction to amantadine, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breast-feeding
What may interact with this medication?
- Acetazolamide
- Alcohol
- Antihistamines for allergy, cough, and cold
- Atropine
- Bupropion
- Certain medications for bladder problems, such as oxybutynin or tolterodine
- Certain medications for Parkinson disease, such as benztropine or trihexyphenidyl
- Certain medications for stomach problems, such as dicyclomine or hyoscyamine
- Certain medications for travel sickness, such as scopolamine
- Ipratropium
- Methazolamide
- Quinidine
- Quinine
- Sodium bicarbonate
- Some flu vaccines
- Thioridazine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.
A severe reaction similar to neuroleptic malignant syndrome (NMS) may occur if you reduce the dose of or stop taking this medication too quickly. Symptoms of NMS include high fever, stiff muscles, increased sweating, fast or irregular heartbeat, and confusion. Contact your care team right away if think you have NMS.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
When taking this medication, you may fall asleep without notice. You may be doing activities, such as driving a car, talking, or eating. You may not feel drowsy before it happens. Contact your care team right away if this happens to you.
There have been reports of increased sexual urges or other strong urges, such as gambling while taking this medication. If you experience any of these while taking this medication, you should report this to your care team as soon as possible.
This medication may cause dry eyes and blurred vision. If you wear contact lenses, you may feel some discomfort. Lubricating eye drops may help. See your care team if the problem does not go away or is severe.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
Talk to your care team about your risk of skin cancer. You may be more at risk for skin cancer if you take this medication.