Use caution when driving, operating machinery, or performing other hazardous activities. Meclizine may cause dizziness, drowsiness, or blurred vision. If you experience dizziness, drowsiness, or blurred vision, avoid these activities. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking meclizine.
Meclizine is an antihistamine.
It blocks the effects of the naturally occurring chemical histamine in your body. Meclizine is used to treat nausea, vomiting, and dizziness associated with motion sickness. Meclizine may also be helpful in treating vertigo. Meclizine may also be used for purposes other than those listed in this medication guide. You may require a lower dose or special monitoring during treatment if you have any of the conditions listed above.