What is cyclizine used for in anti-sickness tablets?
Cyclizine anti-sickness tablets are used to prevent and treat nausea and vomiting caused by motion sickness (travel sickness) and other causes of sickness, such as vertigo-related nausea (for example, symptoms that come with dizziness) [1]. They can also be used short term when feeling sick for travel or similar situations [1].
How do cyclizine anti-sickness tablets work?
Cyclizine is an antihistamine. It helps block histamine receptors in the body and can reduce the signals that trigger nausea and vomiting, including those linked to balance and inner-ear disturbances [1].
How should cyclizine be taken for travel sickness?
For motion sickness, cyclizine tablets are typically taken before travel so they have time to start working. Exact timing and dose depend on the specific product strength and patient age, so follow the instructions on your pack or your pharmacist’s guidance [1].
What side effects do people report with cyclizine?
Common side effects are usually related to its antihistamine action and may include sleepiness (drowsiness), dry mouth, and blurred vision [1]. Because of drowsiness, people are often advised to be careful with driving or operating machinery until they know how the tablets affect them [1].
Can cyclizine make you drowsy?
Yes. Drowsiness is a key concern with cyclizine, so it may affect alertness [1]. If you are planning to drive, take a test dose first (only if your clinician/pharmacist says it’s appropriate) and avoid alcohol, which can worsen sedation [1].
Who should avoid cyclizine or ask a clinician first?
You should check with a pharmacist or clinician before using cyclizine if you have conditions where antihistamines may be risky, or if you are on other medicines that cause drowsiness. Product-specific guidance varies by formulation and strength, so the pack instructions and professional advice matter [1].
Are there interactions with other medicines?
Cyclizine can add to drowsiness when taken with other drugs that also make you sleepy (including alcohol). Interactions depend on the exact medicines you take, so confirm with a pharmacist—especially if you take sedatives or other antihistamines [1].
Are cyclizine anti-sickness tablets the same as cyclizine for other uses?
They all contain cyclizine, but the way they’re marketed (for example, as travel sickness) and the dose in the tablets can differ by product. Always check the strength on your specific pack and use it as directed [1].
Sources
[1] https://www.nhs.uk/medicines/cyclizine/