• fast, pounding, or uneven heartbeat;

• weakness, tremors (uncontrolled shaking), or sleep problems (insomnia);

• severe restless feeling, hyperactivity;

• confusion;

• problems with vision; or

• urinating less than usual or not at all.

Less serious side effects may include:

• dizziness, drowsiness;

• tired feeling;

• dry mouth;

• sore throat, cough;

• nausea, constipation; or

• headache.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

What other drugs will affect cetirizine?

There may be other drugs that can interact with cetirizine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about cetirizine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.