Note: This document contains side effect information about dexbrompheniramine. Some dosage forms listed on this page may not apply to the brand name Ala-Hist IR.
Applies to dexbrompheniramine: oral liquid, oral tablet.
You should not use antihistamine medication to make a child sleepy.
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 dexbrompheniramine (the active ingredient contained in Ala-Hist IR) and call your doctor at once if you have:
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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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feeling short of breath; or
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little or no urination.
Common side effects may include:
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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 restless or excited (especially in children).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
