Do not use Atarax if:

• you are allergic to any ingredient in Atarax;
• you are taking sodium oxybate (GHB);
• you are in your first 3 months of pregnancy.

• Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Avoid drinking alcohol or using medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Atarax ; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
• Use Atarax with caution in the elderly; they may be more sensitive to its effects.
• Atarax should not be used in newborns; safety and effectiveness in newborns have not been confirmed.
• Pregnancy and breast-feeding: Do not use Atarax if you are in your first 3 months of pregnancy. If you think you may be pregnant, contact your doctor right away. It is not known if Atarax is found in breast milk. Do not breast-feed while taking Atarax.

severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.

Check with your doctor if any of these most common side effects persist or become bothersome:

• drowsiness; dry mouth.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.