Get emergency medical help if you have any of these signs of an allergic reaction to meclizine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Common meclizine side effects may include:
headache;
vomiting;
dry mouth;
tired feeling; or
drowsiness.
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.
 Meclizine side effects (more detail)
