By Medically reviewed by Panel Perubatan Hello Doktor


What is Bromax® (Brompheniramine) used for?

Bromax® is commonly used to relieve symptoms of allergy, hay fever, and the common cold. These symptoms include rash, watery eyes, itchy eyes/nose/throat/skin, cough, runny nose, and sneezing.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this medication.

What is the dose of Bromax® (Brompheniramine) for an adult?

Cold symptoms:

  • Extended release: 6 mg to 12 mg extended release orally twice daily as needed. The duration of action varies from patient to patient. Many patients will require dosing only once a day, preferably at bedtime to avoid drowsiness.
  • Maximum oral dose 24 mg/day.


  • Extended release: 8-12 mg tablet orally every 12hours or 12-24 mg capsule orally a day.


  • Extended release: 6 mg to 12 mg extended release orally twice daily as needed. The duration of action varies from patient to patient. Many patients will require dosing only once a day, preferably at bedtime to avoid drowsiness.
  • Maximum oral dose 24 mg/day.

The elderly (60 years of age or older) are more likely to experience adverse reactions. Caution should be taken when prescribing this drug to the elderly.

What is the dose of Bromax® (Brompheniramine) for a child?

<12 years old: 0.5 mg/kg/day divided every 6 hours by oral route.


How should I take Bromax® (Brompheniramine)?

Take the tablet by mouth with or without food or as directed by your doctor, do not chew the tablet. This medication may be taken with food or milk if stomach upset occurs.

Ask your health care provider any questions you may have about how to use medication.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Bromax®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Side effects

What side effects can occur from Bromax® (Brompheniramine)?

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Bromax® may cause these side effects, such as:

  • Drowsiness;
  • Dry mouth, nose, and throat;
  • Nausea;
  • Headache;
  • Chest congestion.

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately: vision problems, difficulty urinating.


What should I know before using Bromax® (Brompheniramine)?

Consult with your doctor or pharmacist, if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Bromax® or other medications.
  • You have any other illnesses, disorders, or medical conditions, such as breathing problems (e.g., asthma, emphysema), a certain eye problem (glaucoma), heart problems, high blood pressure, liver disease, seizures, stomach problems (e.g., ulcers, blockage), overactive thyroid (hyperthyroidism), urination problems (e.g., trouble urinating due to enlarged prostate, urinary retention).
  • You have to drive a car or operate machinery.

Is it safe in specific conditions (e.g. pregnancy, breastfeeding, or surgery)?


Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).


There are no adequate studies in women for determining risk when using Bromax® during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Bromax®. Bromax® is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.


Excretion in milk unknown; use with caution.


What drugs may interact with Bromax® (Brompheniramine)?

Bromax® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

These medications may interact with Bromax®, such as:

  • Antihistamines applied to the skin (such as diphenhydramine cream, ointment, spray);
  • Antispasmodics (e.g., atropine, belladonna alkaloids);
  • MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine);
  • Drugs for Parkinson’s disease (e.g., anticholinergics such as benztropine, trihexyphenidyl);
  • Scopolamine;
  • Tricyclic antidepressants (e.g., amitriptyline).

Does food or alcohol interact with Bromax® (Brompheniramine)?

Bromax® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

How do I store Bromax® (Brompheniramine)?

Bromax® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Bromax® in the bathroom or the freezer. There may be different brands of Bromax® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Bromax® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

How is Bromax® (Brompheniramine) available?

Bromax® is available in the following dosage forms and strengths:

  • Bromax® Extended Release Tablets: Brompheniramine Maleate 11mg.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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Review Date: December 3, 2016 | Last Modified: December 19, 2019

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