Tablet can be sucked, chewed or swallowed up to 30 minutes before the start of the journey to prevent travel sickness occurring, or at the onset of nausea.

Children over 10 years: 1 - 2 tablets every 6 hours as required but not more often than 3 times in 24 hours.

Children 4-10 years: Half - 1 tablet every six hours as required but not more often than 3 times in 24 hours.

Under 4 years: Not recommended.

Room temperature

Hyoscine Hydrobromide 150mcg

https://www.medicines.org.uk/emc/files/pil.252.pdf