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(Generic versions may still be available.)
Dimetane Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Dimetane (brompheniramine, phenylpropanolamine, codeine) is a combination antihistamine, nasal decongestant, antitussive (anti-cough) medication used to relieve coughs and upper respiratory symptoms, including nasal congestion, associated with allergy or the common cold. The brand name of this medication is discontinued, but generic versions may be available. Common side effects include sedation; dryness of mouth, nose and throat; thickening of bronchial secretions; and dizziness.
The dose of Dimetane for adults and children 12 years of age and over is 2 teaspoonfuls every 4 hours. Dimetane may interact with monoamine oxidase inhibitors (MAOIs), other drugs that cause drowsiness (such as antidepressants, alcohol, other antihistamines, pain relievers, anxiety medicines, seizure medicines, and muscle relaxants), over-the-counter cough, cold, allergy, diet, pain, or sleep medications. Tell your doctor all medications and supplements you use. It is unknown if Dimetane will be harmful to a fetus. Tell your doctor if you are pregnant or could become pregnant during treatment. This drug passes into breast milk. Infants are especially sensitive to the effects of antihistamines, and serious side effects could occur in a nursing infant. Consult your doctor before breastfeeding. Withdrawal symptoms may occur if you suddenly stop taking this medication.
Our Dimetane (brompheniramine, phenylpropanolamine, codeine) 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 Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Dimetane in Detail - Patient Information: Side Effects
Stop taking brompheniramine and seek emergency medical attention if you experience a rare but serious allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).
Other, less serious side effects may be more likely to occur. Continue to take brompheniramine and talk to your doctor if you experience
- sleepiness, fatigue, or dizziness;
- dry mouth; or
- difficulty urinating or an enlarged prostate.
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. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Dimetane (Brompheniramine, Phenylpropanolamine, and Codeine) »
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Dimetane FDA Prescribing Information: Side Effects
DRUG ABUSE AND DEPENDENCE
Codeine can produce a drug dependence of the morphine type, and therefore has the potential for being abused. Psychic dependence, physical dependence, physical dependence and tolerance may develop upon repeated administration of this drug and it should be prescribed and administered with the same degree of caution appropriate to the use of other oral narcotic medications.
The product is subject to the Federal Controlled Substances Act (Schedule V).
Read the entire FDA prescribing information for Dimetane (Brompheniramine, Phenylpropanolamine, and Codeine) »
Additional Dimetane 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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