Sufficient medical supplies should be carried to meet all foreseeable needs for the duration of the trip.20
Certain categories of prescription medicine should be carried together with a letter signed by a doctor, certifying that the traveller requires the medication for personal use. All medicines should be carried in hand luggage to minimise any risk of loss during the journey.20
Although the context may vary, a first aid kit (medical kit) is appropriate for almost all travellers, even those visiting low risk areas.