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Allerhist-D, Dayhist-D, Tavist-D, |clemastine and phenylpropanolamine Clemastine Fumarate

clemastine and phenylpropanolamine

Generic Name: clemastine and phenylpropanolamine (KLEM as teen/fen ill proe pa NOLE a meen)
Brand Names: Allerhist-D, Dayhist-D, Tavist-D

What is clemastine and phenylpropanolamine?

Clemastine is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in the body. Clemastine prevents sneezing; itchy, watery eyes and nose; and other symptoms of allergies and hay fever.

Phenylpropanolamine is a decongestant. It constricts (shrinks) blood vessels (veins and arteries). This reduces the blood flow to certain areas and allows nasal and respiratory (breathing) passages to open up.

Clemastine and phenylpropanolamine is used to treat nasal congestion and sinusitis (inflammation of the sinuses) associated with allergies and hay fever.

Phenylpropanolamine, an ingredient in this product, has been associated with an increased risk of hemorrhagic stroke (bleeding into the brain or into tissue surrounding the brain) in women. Men may also be at risk. Although the risk of hemorrhagic stroke is low, the U.S. Food and Drug Administration (FDA) recommends that consumers not use any products that contain phenylpropanolamine.

Clemastine and phenylpropanolamine may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about clemastine and phenylpropanolamine?

Phenylpropanolamine, an ingredient in this product, has been associated with an increased risk of hemorrhagic stroke (bleeding into the brain or into tissue surrounding the brain) in women. Men may also be at risk. Although the risk of hemorrhagic stroke is low, the U.S. Food and Drug Administration (FDA) recommends that consumers not use any products that contain phenylpropanolamine.

Do not take more of this medication than is recommended. If your symptoms do not improve, or if they worsen, talk to your doctor.

Who should not take clemastine and phenylpropanolamine?

Before taking this medication, tell your doctor if you have

• kidney disease,
• liver disease,

• diabetes,

• glaucoma,

• any type of heart disease or high blood pressure,

• thyroid disease, or

• difficulty urinating or an enlarged prostate.

You may not be able to take clemastine and phenylpropanolamine, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.

How should I take clemastine and phenylpropanolamine?

Take clemastine and phenylpropanolamine exactly as directed. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Do not take clemastine and phenylpropanolamine for longer than 7 days in a row. If your symptoms do not improve, if they get worse, or if you have a fever, talk to your doctor.

What happens if I miss a dose?

Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication.

What happens if I overdose?

Symptoms of a clemastine and phenylpropanolamine overdose include a dry mouth, large pupils, flushing, nausea, and vomiting.

What should I avoid while taking clemastine and phenylpropanolamine?

Clemastine and phenylpropanolamine side effects

Other, less serious side effects may be more likely to occur. Continue to take clemastine and phenylpropanolamine and talk to your doctor or try another similar medication if you experience

• dryness of the eyes, nose, and mouth;

• drowsiness or dizziness;

• blurred vision;

• difficulty urinating; or

• excitation in children.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect clemastine and phenylpropanolamine?

Do not take other over-the-counter cough, cold, allergy, diet, or sleep aids while taking clemastine and phenylpropanolamine without first talking to your doctor or pharmacist. Other medications may also contain clemastine, phenylpropanolamine, or other similar drugs. You may accidentally take too much of these medicines.

Clemastine and phenylpropanolamine may increase the effects of other drugs that cause drowsiness, including antidepressants, alcohol, other antihistamines, pain relievers, anxiety medicines, seizure medicines, and muscle relaxants. Dangerous sedation, dizziness, or drowsiness may occur if clemastine and phenylpropanolamine is taken with any of these medications.

Drugs other than those listed here may also interact with clemastine and phenylpropanolamine. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

Where can I get more information?

• Your pharmacist has additional information about clemastine and phenylpropanolamine written for health professionals that you may read.

What does my medication look like?

Clemastine and phenylpropanolamine is available with a prescription under the brand name Tavist-D. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

• Tavist-D 1 mg of clemastine and 75 mg of phenylpropanolamine-- round, white tablets

• Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
• Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ("Multum") is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum"s drug information does not endorse drugs, diagnose patients or recommend therapy. Multum"s drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.