Note: This document contains side effect information about pheniramine / phenylephrine. Some dosage forms listed on this page may not apply to the brand name Alahist D.
Applies to pheniramine / phenylephrine: oral tablet.
Warning
Do not use the medicine to make a child sleepy. Misuse of this medicine may cause death in very young children.
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 this medicine and call your doctor at once if you have:
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nervousness;
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dizziness; or
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trouble sleeping.
Common side effects may include:
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drowsiness;
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feeling restless or excited (especially in children);
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dry mouth, nose, or throat;
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constipation; or
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blurred vision, double vision.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
For Healthcare Professionals
Applies to pheniramine/phenylephrine: oral tablet.
General
The manufacturer has not provided adverse event information.[Ref]
