Amantadine Oral Solution
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Amantadine Oral Solution
What is this medicine?
AMANTADINE (a MAN ta deen) is an antiviral drug. It is used to prevent and to treat a specific type of flu called influenza A. It will not work for colds, other types of flu, or other viral infections. This drug is also used to treat Parkinson's disease and other movement disorders.
How should I use this medicine?
Take this drug by mouth. Take it as directed on the prescription label at the same time every day. You can take it with or without food. If it upsets your stomach, take it with food. Use a specially marked oral syringe, spoon, or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take all of this drug unless your health care provider tells you to stop it early. Keep taking it even if you think you are better.
Talk to your health care provider about the use of this drug in children. While it may be prescribed for children as young as 1 year for selected conditions, precautions do apply.
Patients over 65 years old may have a stronger reaction and need a smaller dose.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
changes in emotions or moods
changes in vision
color changes on the skin
confusion
depressed mood
eye pain
falling asleep during normal activities like driving
hallucinations
new or increased gambling urges, sexual urges, uncontrolled spending, binge or compulsive eating, or other urges
seizures
signs and symptoms of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually weak or tired
swelling in your legs and feet
suicidal thoughts
trouble passing urine or change in the amount of urine
uncontrollable movements of the arms, face, head, mouth, neck, or upper body
Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):
constipation
dizziness
drowsiness
dry mouth
headache
nausea
What may interact with this medicine?
acetazolamide
alcohol
atropine
antihistamines for allergy, cough and cold
benztropine
bupropion
certain medicines for bladder problems like oxybutynin, tolterodine
certain medicines for stomach problems like dicyclomine, hyoscyamine
certain medicines for travel sickness like scopolamine
ipratropium
methazolamide
quinidine
quinine
sodium bicarbonate
some flu vaccines
thioridazine
trihexyphenidyl
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children and pets.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep the container tightly closed. Throw away any unused drug after the expiration date.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
depression or other mental illness
eczema
glaucoma
heart failure
if you drink alcohol
kidney disease
low blood pressure
narcolepsy
seizures
sleep apnea
suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
an unusual or allergic reaction to amantadine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
What should I watch for while using this medicine?
Visit your health care provider for regular checks on your progress. Tell your health care provider if your symptoms do not start to get better or if they get worse.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this drug. Avoid alcoholic drinks.
This drug may cause dry eyes and blurred vision. If you wear contact lenses, you may feel some discomfort. Lubricating drops may help. See your health care provider 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 health care provider if the problem does not go away or is severe.
When taking this drug, you may fall asleep without notice. You may be doing activities like driving a car, talking, or eating. You may not feel drowsy before it happens. Contact your health care provider 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 drug. If you experience any of these while taking this drug, you should report this to your health care provider as soon as possible.
This drug may increase your risk of melanoma or skin cancer. Check your skin for changes to moles or for new growths while taking this drug. Call your health care provider if you notice any of these skin changes.
Updated:  
November 15, 2020