GENERIC NAME: CLEMASTINE - ORAL TABLET (KLEM-ast-een)
BRAND NAME(S): Allerhist-1, Contac 12-Hour Allergy, Dailyhist-1, Tavist, Vistamine
Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage | Medical Alert
USES: This medication is an antihistamine that provides relief from symptoms of allergies such as watery eyes, runny nose, itching and sneezing.
HOW TO USE: Follow the manufacturer's directions carefully. Do no take it more often than recommended. Swallow the tablets whole. Do not crush or chew them. This medication may be taken with food to help prevent stomach upset.
SIDE EFFECTS: This medication may cause drowsiness, dizziness, headache, loss of appetite, stomach upset, vision changes, irritability, dry mouth and dry nose. These effects should disappear as your body adjusts to the medication. If these effects persist or worsen, inform your doctor. To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water or use saliva substitute. Notify your doctor if you develop any of the following effects while taking this medication: trouble breathing, heart pounding, irregular heartbeat, ringing in the ears, difficulty urinating. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Before using clemastine, consult with your doctor if you have any of the following: asthma, lung disease, ulcers, glaucoma, overactive thyroid, difficulty urinating, enlarged prostate, high blood pressure, history of seizures, heart disease, drug allergies, any other type of allergies. Do not take for several days before allergy testing as test results can be affected. Limit the use of alcohol to prevent excessive drowsiness. Use caution when using machinery or engaging in activities that require alertness. This drug may cause dizziness, especially when arising quickly from a seated or lying position. Change positions slowly. Elderly persons may be more sensitive to the effects of this drug and may require lower doses. Clemastine should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Clemastine is excreted into breast milk and it is recommended you do not breast-feed while taking this drug. Consult your doctor before breast-feeding.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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