How does cyclizine work?
Cyclizine blocks histamine and acetylcholine receptors in the brain, reducing nausea, dizziness, and vomiting associated with motion sickness and inner ear disorders.
What is cyclizine used to treat?
Cyclizine is commonly prescribed for:
- Motion sickness (to prevent nausea while travelling)
- Vertigo and balance disorders (such as Ménière’s disease)
- Nausea and vomiting after surgery
- Sickness caused by chemotherapy or radiation therapy
- Nausea linked to inner ear problems
Who can take cyclizine?
Cyclizine is suitable for most adults and children over 6 years old.
Who might not be able to take cyclizine?
Cyclizine may not be suitable if you:
- Have severe liver or kidney disease
- Have glaucoma
- Have heart problems or high blood pressure
- Have a history of seizures or epilepsy
Can I take cyclizine if I’m pregnant or breastfeeding?
Cyclizine may be used during pregnancy if recommended by a doctor. If you are breastfeeding, consult your doctor before taking it.
What if I miss a dose?
If you forget a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.
How effective is cyclizine?
Cyclizine is highly effective at preventing nausea and vomiting when taken before travel or at the first sign of sickness.
What should I do if I take too much?
Taking too much cyclizine can cause drowsiness, confusion, blurred vision, or rapid heartbeat. If you think you’ve taken too much, seek medical help immediately.
What dose of cyclizine is usually taken?
- For motion sickness: 50mg up to three times daily
- For nausea and vomiting: 50mg up to three times daily
Your doctor will determine the correct dose based on your condition.
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What are the side effects of cyclizine?
Common side effects include:
- Drowsiness or dizziness
- Dry mouth
- Blurred vision
- Constipation
Serious side effects, such as hallucinations, difficulty urinating, or severe allergic reactions, require urgent medical attention.
How should I take cyclizine?
Cyclizine is taken as tablets, usually swallowed whole with water.
When should cyclizine be taken?
For motion sickness, take a dose 1 to 2 hours before travel. For nausea, take it when needed, following your doctor’s advice.
What are the brand names for cyclizine?
Cyclizine is available as a generic medicine, but some branded versions include:
- Valoid
- Marzine
Final thoughts
Cyclizine is an effective treatment for nausea and motion sickness. To get the best results, take it as prescribed and avoid alcohol, as it can increase drowsiness. If symptoms persist or side effects occur, speak to your doctor or pharmacist.