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.

Adults: 1 tablet every 6 hours if required. Maximum 3 tablets in 24 hours.

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

Under 10 years: Not recommended

Room temperature

Hyoscine Hydrobromide 300mcg

https://www.medicines.org.uk/emc/files/pil.250.pdf