Ala-Hist D Side Effects
Generic name: brompheniramine / diphenhydramine / phenylephrine
Note: This document provides detailed information about Ala-Hist D Side Effects associated with brompheniramine / diphenhydramine / phenylephrine. Some dosage forms listed on this page may not apply specifically to the brand name Ala-Hist D.
Applies to brompheniramine / diphenhydramine / phenylephrine: oral tablet extended release.
Important warnings
This medicine can cause some serious health issues
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.
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 cold medicine if you have untreated or uncontrolled diseases such as glaucoma, asthma or COPD, high blood pressure, heart disease, coronary artery disease, or overactive thyroid.
Do not use a cold medicine if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.
Get emergency medical help if you have any of these signs of an allergic reaction while taking brompheniramine / diphenhydramine / phenylephrine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using this medicine and call your doctor at once if you have a serious side effect such as:
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fast or uneven heart rate;
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mood changes;
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tremor, seizure (convulsions);
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easy bruising or bleeding, unusual weakness;
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urinating less than usual or not at all;
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feeling short of breath; or
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dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, uneven heartbeats, seizure).
Less serious side effects of brompheniramine / diphenhydramine / phenylephrine may include:
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dizziness, drowsiness;
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dry mouth, nose, or throat;
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constipation;
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blurred vision; or
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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.
More about Ala-Hist D (brompheniramine / diphenhydramine / phenylephrine)
- Check interactions
- Compare alternatives
- Drug images
- Dosage information
- Drug class: upper respiratory combinations
Other formulations
Related treatment guides
Further information
Ala-Hist D side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.
