About cyclizine hydrochloride
Antihistamine antiemetic
Used for
- Prevention and treatment of nausea and vomiting
- Motion sickness and vertigo-related nausea
Usual adult dose
Usually 50 mg up to three times daily; for motion sickness, take before travel.
Usual dose in children
Age-dependent dosing; generally not recommended under age 6. For ages 6–11, usually 25 mg up to three times daily.
Common side effects
- Drowsiness
- Dry mouth
- Blurred vision
- Constipation
Important warnings
- May cause drowsiness; avoid driving if affected.
- Use caution with glaucoma, difficulty urinating, or enlarged prostate.
- Alcohol and other sedatives can increase drowsiness.
- Seek medical assessment for persistent vomiting or severe abdominal pain.
Pregnancy
Use only when needed and after professional advice; pregnancy safety information is limited.
Breastfeeding
May pass into breast milk and could affect milk supply or cause infant drowsiness; seek professional advice.
Interactions
- Alcohol, opioids, and sedatives may increase drowsiness.
- Medicines with anticholinergic effects may increase dry mouth, blurred vision, or constipation.
- Monoamine oxidase inhibitors may intensify anticholinergic effects.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.