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Brompheniramine

Generic Name: brompheniramine (BROM fen IR a meen)
Brand Name: Siltane, ...show all 28 brand names

Medically reviewed by Drugs.com on Apr 15, 2019 – Written by Cerner Multum

What is brompheniramine?

Brompheniramine is an antihistamine that is used to treat sneezing, runny nose, and itchy or watery eyes caused by allergies, hay fever, and the common cold.

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

Important Information

Ask a doctor or pharmacist before using brompheniramine if you have health problems or use other medications, or if you are pregnant or breastfeeding.

Do not use cold or allergy medicine to make a child sleepy.

Before taking this medicine

You should not use brompheniramine if you are allergic to it, or if you have:

Do not use brompheniramine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

  • breathing problems;

  • a bladder obstruction or other urination problems;

  • an enlarged prostate;

  • a stomach ulcer;

  • a blockage in your digestive tract (stomach or intestines);

  • glaucoma;

  • heart disease, high blood pressure;

  • a thyroid disorder;

  • liver or kidney disease;

  • diabetes; or

  • seizures.

Ask a doctor before using this medicine if you are pregnant or breast-feeding.

This medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).

How should I take brompheniramine?

Use exactly as directed on the label, or as prescribed by your doctor. brompheniramine is only for short-term use until your symptoms clear up.

Always follow directions on the medicine label about giving cold or allergy medicine to a child. Do not use the medicine only to make a child sleepy. Death can occur from the misuse of cold or allergy medicines in very young children.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Call your doctor if your symptoms do not improve after 7 days, or if you have a fever.

If you need surgery, tell your surgeon if you are currently using this medicine.

Store at room temperature away from moisture and heat. Do not freeze.

What happens if I miss a dose?

Since cold or allergy medicine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.

What happens if I overdose?

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

What should I avoid while taking brompheniramine?

Avoid driving or hazardous activity until you know how brompheniramine will affect you. Your reactions could be impaired.

Ask a doctor or pharmacist before using other cold or allergy medicines that may contain similar ingredients.

Drinking alcohol with this medicine can cause side effects.

Avoid becoming overheated during exercise and in hot weather. You may be more prone to heat stroke while taking an antihistamine.

Brompheniramine side effects

Get emergency medical help if you have 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:

  • extreme drowsiness;

  • confusion, hallucinations;

  • feeling nervous, restless, or dizzy;

  • a seizure; or

  • little or no urination.

Side effects such as dry mouth, constipation, and confusion may be more likely in older adults.

Common side effects may include:

  • drowsiness;

  • blurred vision;

  • constipation;

  • flushing (warmth, redness, or tingly feeling);

  • dry mouth, nose, or throat; or

  • feeling restless or excited (especially in a child).

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?

Avoid using brompheniramine with other drugs that cause drowsiness or slow your breathing (such as opioid medicine, a muscle relaxer, or medicine for anxiety or seizures). Ask a doctor or pharmacist before using any other medication, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed in this medication guide.

Further information

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.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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