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Dexbrompheniramine Tablets

What is this medication?

DEXBROMPHENIRAMINE (dex brome fen IR a meen) treats allergy symptoms such as sneezing, itching, or runny or stuffy nose. It works by blocking histamine, a substance released by the body during an allergic reaction. It belongs to a group of medications called antihistamines.

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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): ALA-HIST IR

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Blockage in your bowels
  • Glaucoma
  • Lung or breathing disease, such as asthma, COPD
  • Prostate disease
  • Stomach ulcers, other stomach or intestine problems
  • An unusual or allergic reaction to dexbrompheniramine, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

Take this medication by mouth with water. Take it as directed on the prescription label at the same time every day.

Talk to your care team about the use of this medication in children. While this medication may be prescribed for children as young as 6 years for selected conditions, precautions do apply.

People over 65 years of age may have a stronger reaction and need a smaller dose.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply. This medication is not for regular use. It should only be used as needed.

What may interact with this medication?

  • Alcohol
  • Certain medications for anxiety or sleep
  • Certain medications for depression, such as amitriptyline, fluoxetine, sertraline
  • Certain medications for seizures, such as phenobarbital, primidone
  • General anesthetics, such as halothane, isoflurane, methoxyflurane, propofol
  • Medications that relax muscles for surgery
  • Opioid medications for pain
  • Other antihistamines for allergy, cough, and cold
  • Phenothiazines, such as chlorpromazine, mesoridazine, prochlorperazine, thioridazine

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This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Sudden eye pain or change in vision such as blurry vision, seeing halos around lights, vision loss
  • Trouble passing urine

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Confusion
  • Constipation
  • Dizziness
  • Drowsiness
  • Dry mouth

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store between 15 and 30 degrees C (59 and 86 degrees F).

To get rid of medications that are no longer needed or have expired:

  • Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
  • If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, take the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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