What should you know about travel sickness medicine?

Motion sickness develops when the brain receives mismatched information from movement sensed by the inner ear and what the eyes see. Travel medicines can reduce the nerve signals that trigger nausea, vomiting, dizziness, or sweating. Many can cause sleepiness, blurred vision, dry mouth, or slower reactions. They may not be appropriate with alcohol, sedatives, some eye conditions, urinary problems, or certain long-term illnesses. Symptoms outside travel may point to another cause.

Ask a pharmacist or doctor to select a product and confirm when to take it; preventive timing is often part of its effect. Read the label and do not exceed the stated dose or combine products with overlapping ingredients. Test a dose only when you do not need to drive or make safety-critical decisions. On the journey, look at a stable distant point, keep your head steady, choose a lower-motion seat, use fresh air, and drink small amounts regularly. Children, older adults, and pregnant travellers need individual advice.

Get urgent help for severe or sudden abdominal pain, blood in vomit, fainting, confusion, breathing difficulty, or signs of serious dehydration. Contact a clinician if vomiting persists, you cannot keep fluids down, medicine causes marked drowsiness or unusual behaviour, or symptoms continue when the journey ends. Repeated episodes deserve assessment rather than repeated self-treatment.

Ask which product and dose suit you, how early to take it, how long its effect lasts, and whether it affects driving or other medicines. Ask what to do if you vomit after taking it and whether a non-medicine option would be enough for your route.