Prescription Prices and Coupons from GoodRx
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Clemastine Coupon - Clemastine 2.68mg tablet
ClemastineGeneric Tavist
CLEMASTINE is an antihistamine. It is used to treat the symptoms of allergies and mild allergic reactions. This medicine will not treat an infection. The lowest GoodRx price for the most common version of clemastine is around $37.81, 63% off the average retail price of $103.25. Compare antihistamines.
Prescription Settings
60 tablets
Clemastine Coupon - Clemastine 2.68mg tablet
60 tablets

Clemastine Side Effects

What should I watch for?

Visit your doctor or health care professional for regular check ups. Tell your doctor if your symptoms do not improve 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 medicine 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 medicine. Avoid alcoholic drinks.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.


Common and Rare Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common or rare

Less common or rare with azatadine, cetirizine, clemastine, cyproheptadine, desloratadine, dexchlorpheniramine, diphenhydramine, or loratadine

Abdominal or stomach pain



clay-colored stools or dark urine



difficulty swallowing


fast or irregular heartbeat





prickly sensations

puffiness or swelling of the eyelids or around the eyes, face, lips or tongue

redness of skin


shortness of breath

skin rash


tightness in chest


unusual tiredness or weakness


Check with your doctor as soon as possible if any of the following side effects occur:

Less common or rare

Sore throat

unusual bleeding or bruising

unusual tiredness or weakness

Symptoms of overdose

Clumsiness or unsteadiness

convulsions (seizures)

drowsiness (severe)

dryness of mouth, nose, or throat (severe)

feeling faint

flushing or redness of face

hallucinations (seeing, hearing, or feeling things that are not there)

shortness of breath or troubled breathing

trouble in sleeping

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common


dry mouth, nose, or throat

gastrointestinal upset, stomach pain, or nausea


increased appetite and weight gain

thickening of mucus

Less common or rare

Acid or sour stomach


blurred vision or any change in vision

body aches or pain

clumsiness or unsteadiness

confusion (not with diphenhydramine)





difficult or painful urination

difficulty in moving

difficult or painful menstruation

dizziness (not with brompheniramine or hydroxyzine)

drowsiness (with high doses of desloratadine and loratadine)

dryness of mouth, nose, or throat

early menstruation

fast heartbeat




increased sensitivity of skin to sun

increased sweating


loss of appetite

joint pain

muscle aching or cramping

muscle pains or stiffness


nightmares (not with azatadine, chlorpheniramine, cyproheptadine, desloratadine, hydroxyzine, or loratadine)

ringing or buzzing in ears

runny nose

skin rash

swollen joints

stomach discomfort, upset or pain

tender swollen glands in neck


unusual excitement, nervousness, restlessness, or irritability


Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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