Get emergency medical help if you have any of these signs of an allergic reaction to Atarax: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using Atarax and call your doctor at once if you have a serious side effect such as:
restless muscle movements in your eyes, tongue, jaw, or neck;
tremor (uncontrolled shaking);
confusion; or
seizure (convulsions).
Less serious Atarax side effects may include:
dizziness, drowsiness;
blurred vision, dry mouth; or
headache.
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.
 Atarax side effects (more detail)
