Dimenhydrinate is an antihistamine primarily used to prevent and treat motion sickness and nausea.

Applications:

• Prevents and relieves nausea, vomiting, and dizziness from motion sickness.

• Used for vertigo and inner ear disturbances like Ménière’s disease.

Side Effects:

• Common: drowsiness, dry mouth, dizziness, and blurred vision.

• Serious (rare): confusion (especially in elderly), fast heartbeat, and urinary retention.