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chlorpheniramine and phenylpropanolamineWhat is the most important information I should know about chlorpheniramine 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. What is chlorpheniramine and phenylpropanolamine?Chlorpheniramine is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in the body. Chlorpheniramine 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 passages to open up. Chlorpheniramine and phenylpropanolamine is used to treat nasal congestion and sinusitis (inflammation of the sinuses) associated with allergies, hay fever, and the common cold. 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. Chlorpheniramine and phenylpropanolamine may also be used for purposes other than those listed in this medication guide. Who should not take chlorpheniramine and phenylpropanolamine?
Before taking this medication, tell your doctor if you have
You may not be able to take chlorpheniramine and phenylpropanolamine, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above. Chlorpheniramine and phenylpropanolamine is in the FDA pregnancy category B. This means that it is unlikely to harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant.
If you are over 65 years of age, you may be more likely to experience side effects from chlorpheniramine and phenylpropanolamine. You may require a lower dose of this medication. Read the package label for directions or consult your doctor or pharmacist before treating a child with this medication. Children are more susceptible than adults to the effects of medicines and may have unusual reactions. How should I take chlorpheniramine and phenylpropanolamine?Take chlorpheniramine and phenylpropanolamine exactly as directed. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
If you cannot swallow the tablets or capsules, look for a liquid form of the medication. To ensure that you get a correct dose, measure the liquid forms of chlorpheniramine and phenylpropanolamine with a special dose-measuring spoon or cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist where you can get one.
Do not take chlorpheniramine 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 chlorpheniramine and phenylpropanolamine overdose include a dry mouth, large pupils, flushing, nausea, and vomiting. What should I avoid while taking chlorpheniramine and phenylpropanolamine?
Chlorpheniramine 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 chlorpheniramine and phenylpropanolamine is taken with any of these medications. What are the possible side effects of chlorpheniramine and phenylpropanolamine?
Other, less serious side effects may be more likely to occur. Continue to take chlorpheniramine and phenylpropanolamine and talk to your doctor or try another similar medication if you experience
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 chlorpheniramine and phenylpropanolamine?
Do not take other over-the-counter cough, cold, allergy, diet, or sleep aids while taking chlorpheniramine and phenylpropanolamine without first talking to your doctor or pharmacist. Other medications may also contain chlorpheniramine, phenylpropanolamine, or other similar drugs. You may accidentally take too much of these medicines. Chlorpheniramine 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 chlorpheniramine and phenylpropanolamine is taken with any of these medications. Drugs other than those listed here may also interact with chlorpheniramine and phenylpropanolamine. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines. Where can I get more information?Your pharmacist has additional information about chlorpheniramine and phenylpropanolamine written for health professionals that you may read. What does my medication look like?Many formulations of chlorpheniramine and phenylpropanolamine are available both over-the-counter and with a prescription. Ask your pharmacist any questions you have about this medication, especially if it is new to you.
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