brompheniramine

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Pronunciation: BROM fen IR a meen

Brand: Bromax, Dimetane Extentab, J-Tan PD, Siltane, VaZol

What is the most important information I should know about brompheniramine?

You should not use this medication if you have severe constipation, a blockage in your stomach or intestines, or if you are unable to urinate.

Do not use this medicine if you have untreated or uncontrolled diseases such as glaucoma, asthma or COPD, heart disease, or a thyroid disorder.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

What is brompheniramine?

Brompheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Brompheniramine is used to treat runny nose, sneezing, itching, and watery eyes caused by allergies, the common cold, or the flu.

Brompheniramine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking brompheniramine?

You should not use this medication if you have severe constipation, a blockage in your stomach or intestines, or if you are unable to urinate.

Do not use this medicine if you have untreated or uncontrolled diseases such as glaucoma, asthma or COPD, heart disease, or a thyroid disorder.

Ask a doctor or pharmacist if it is safe for you to take brompheniramine if you have:

  • a blockage in your digestive tract (stomach or intestines), a colostomy or ileostomy;
  • liver or kidney disease;
  • cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;
  • enlarged prostate or urination problems; or
  • if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

FDA pregnancy category C. It is not known whether brompheniramine will harm an unborn baby. Do not use this medicine without medical advice if you are pregnant.

Brompheniramine may pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production. Do not use this medicine without medical advice if you are breast-feeding a baby.

Artificially sweetened cold medicine may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.

How should I take brompheniramine?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. This medicine is usually taken only for a short time until your symptoms clear up.

Do not take for longer than 7 days in a row. Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache or skin rash.

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking the pill may cause too much of the drug to be released at one time.

Measure liquid medicine with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken this medicine within the past few days.

Store at room temperature away from moisture and heat. Do not allow the liquid form of this medicine to freeze.

What happens if I miss a dose?

Since this medicine is taken when needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include severe forms of some of the side effects listed in this medication guide.

What should I avoid while taking brompheniramine?

This medicine may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Drinking alcohol can increase certain side effects of brompheniramine.

Ask a doctor or pharmacist before using any other cold, cough, allergy, or sleep medicine. Antihistamines are contained in many combination medicines. Taking certain products together can cause you to get too much of a certain drug. Check the label to see if a medicine contains an antihistamine.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Brompheniramine can decrease sweating and you may be more prone to heat stroke.

What are the possible side effects of brompheniramine?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using brompheniramine and call your doctor at once if you have a serious side effect such as:

  • fast or uneven heart rate;
  • mood changes;
  • tremor, seizure (convulsions);
  • easy bruising or bleeding, unusual weakness;
  • feeling short of breath; or
  • urinating less than usual or not at all.

Less serious side effects may include:

  • dizziness, drowsiness;
  • dry mouth, nose, or throat;
  • constipation;
  • blurred vision; or
  • feeling nervous or restless.

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 other drugs will affect brompheniramine?

Ask a doctor or pharmacist before using this medicine if you regularly use other medicines that make you sleepy (such as narcotic pain medication, sedatives, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety). They can add to sleepiness caused by brompheniramine.

Ask a doctor or pharmacist if it is safe for you to take brompheniramine if you are also using any of the following drugs:

  • atropine (Atreza, Sal-Tropine);
  • benztropine (Cogentin);
  • topiramate (Topamax);
  • zonisamide (Zonegran);
  • anti-nausea medications such as belladonna (Donnatal), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm Scop);
  • bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), solifenacin (Vesicare), tolterodine (Detrol), or Urogesic Blue;
  • bronchodilators such as ipratropium (Atrovent) or tiotropium (Spiriva);
  • irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Hyomax), or propantheline (Pro Banthine); or
  • ulcer medicine such as glycopyrrolate (Robinul) or mepenzolate (Cantil).

This list is not complete and other drugs may interact with brompheniramine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about brompheniramine.


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.

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