Ala Hist PE Uses, Side Effects & Warnings - Drugs.com

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# Ala Hist PE

Generic name: dexbrompheniramine and phenylephrine [ DEX-brom-fen-IR-a-meen, FEN-il-EFF-rin ]
Drug class: Upper respiratory combinations

Medically reviewed by Drugs.com on Apr 9, 2021. Written by Cerner Multum.

## What is Ala Hist PE?

Dexbrompheniramine is an antihistamine. Phenylephrine is a decongestant.

Ala Hist PE is a combination medicine used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.

Ala Hist PE may also be used for purposes not listed in this medication guide.

## Warnings

Do not use Ala Hist PE if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Do not use this medicine only to make a child sleepy.

## Before taking this medicine

You should not use this medicine if you are allergic to dexbrompheniramine or phenylephrine.

Do not use Ala Hist PE 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:

- asthma or other breathing disorder such as emphysema or chronic bronchitis;

- high blood pressure, heart disease;

- glaucoma;

- diabetes;

- kidney disease; or

- a thyroid disorder.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

## How should I take Ala Hist PE?

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

Swallow the tablet whole and do not crush, chew, or break it.

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

Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.

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

Store at room temperature away from moisture and heat.

## What happens if I miss a dose?

Since Ala Hist PE 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 Ala Hist PE?

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

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

Drinking alcohol can increase certain side effects of dexbrompheniramine.

## Ala Hist PE 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.

This medicine may cause serious side effects. Stop using this medicine and call your doctor at once if you have:

- fast or irregular heartbeats;

- confusion, hallucinations;

- a seizure;

- ringing in your ears; or

- little or no urination.

Common side effects of Ala Hist PE may include:

- headache, dizziness, drowsiness;

- blurred vision, double vision;

- dry mouth, nose, or throat;

- constipation, upset stomach; or

- trouble sleeping.

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.

Ala-Hist PE side effects (more detail)

## What other drugs will affect Ala Hist PE?

Avoid using Ala Hist PE 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.

Ala-Hist PE drug interactions (more detail)

## Where can I get more 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.

## More about Ala-Hist PE (dexbrompheniramine / phenylephrine)

- Check interactions
- Pricing & coupons
- Drug images
- Side effects
- Drug class: upper respiratory combinations
- En español

### Other formulations

- Ala Hist IR

### Related treatment guides

- Cold Symptoms

## Further information

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

Medical Disclaimer

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