Generic Name: Clemastine

  • What is Clemastine?

    Clemastine is a medicine used for the relief of symptoms of allergic rhinitis (such as itchy and watery eyes, runny nose, sneezing, or stuffy nose). Clemastine is also used to treat hives and swelling of your face, extremities, eyes, lips, or tongue.

  • What is the most important information I should know about Clemastine?

    Do not drive, operate heavy machinery, or do other dangerous activities, until you know how clemastine affects you.

  • Who should not take Clemastine?

    Do not take clemasatine if you are allergic to it or any of its ingredients.

    Do not take clemastine to treat lower respiratory (lung) tract symptoms (such as asthma), if you are breastfeeding, or if you are taking monoamine oxidase inhibitors (MAOIs), a class of drugs used to treat depression and other psychiatric conditions (such as phenelzine).

  • What should I tell my doctor before I take the first dose of Clemastine?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with clemastine. Also, talk to your doctor about your complete medical history, especially if you have depression, narrow-angle glaucoma (high pressure in the eyes), stomach problems (such as ulcers, blockage in your stomach or intestines), swelling (or enlargement) of your prostate gland, bladder blockage, lung or breathing problems (such as asthma), thyroid gland problems, heart disease, high blood pressure, are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults and children ≥12 years: Your doctor will prescribe the appropriate dose for you based on your condition.

  • How should I take Clemastine?

    Take clemastine exactly as prescribed by your doctor.

  • What should I avoid while taking Clemastine?

    Do not take clemastine if you are taking MAOIs.

    Do not breastfeed while you are taking clemastine.

  • What are possible food and drug interactions associated with Clemastine?

    If clemastine is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is important to check with your doctor before combining clemastine with any other medication.

  • What are the possible side effects of Clemastine?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic reactions (such as rash), blurred vision, breathing problems, constipation, decreased appetite, decreased blood pressure, decreased coordination, diarrhea, difficulty urinating, drowsiness, dry mouth, headache, irregular heartbeat, nausea, pain in the upper middle part of your abdomen, sleepiness, vomiting

  • Can I receive Clemastine if I am pregnant or breastfeeding?

    The effects of clemastine during pregnancy are unknown. Do not take clemastine if you are breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Clemastine?

    If you miss a dose of clemastine, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Clemastine?

    Store at room temperature. Protect from light.