Clemastine Fumarate Tablets
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Clemastine Fumarate Tablets
Clemastine Fumarate Tablets Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Clemastine fumarate is an antihistamine is used to relieve symptoms of nasal allergies, including sneezing, runny nose, itching, and watery eyes. This medication is available over-the-counter. Common side effects include drowsiness, dizziness, headache, constipation, stomach upset, blurred vision, trouble walking/clumsiness, or dry mouth/nose/throat may occur. These effects may decrease as your body adjusts to the medication.
The recommended starting dose is 1.34 mg (1/2 tablet) twice daily. Clemastine fumarate tablets are recommended for the dermatologic indications at the 2.68 mg dosage level only. The maximum recommended dosage is 2.68mg three times daily. Clemastine fumarate may interact with MAO inhibitors. Tell your doctor all medications and supplements you use. During pregnancy, clemastine fumarate should be used only if recommended by your doctor. Consult your doctor before breastfeeding.
Our clemastine fumarate Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Clemastine Fumarate Tablets FDA Prescribing Information: Side Effects
Transient drowsiness, the most common adverse reaction associated with clemastine fumarate, occurs relatively frequently and may require discontinuation of therapy in some instances.
Antihistaminic Compounds: It should be noted that the following reactions have occurred with one or more antihistamines and, therefore, should be kept in mind when prescribing drugs belonging to this class, including clemastine fumarate.
The most frequent adverse reactions are underlined.
- General: Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose, and throat.
- Cardiovascular System: Hypotension, headache, palpitations, tachy-cardia, extrasystoles.
- Hematologic System: Hemolytic anemia, thrombocytopenia, agranulocytosis.
- Nervous System: Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesias, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions.
- GI System: Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation.
- GU System: Urinary frequency, difficult urination, urinary retention, early menses.
- Respiratory System: Thickening of bronchial secretions, tightness of chest and wheezing, nasal stuffiness.
Read the entire FDA prescribing information for Clemastine Fumarate Tablets (Clemastine Fumarate Tablets) »
Additional Clemastine Fumarate Tablets Information
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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