That if you have a pre-existing medical condition and it is not declared you may not be covered for emergency treatment while on holiday or cancellation prior to your holiday. Many holiday makers are under insured and do not take out the correct travel insurance cover.
It is important that you thoroughly research the country to which you are planning to travel. This is particularly relevant if you are going to a country with a history of conflict or natural disasters.
The foreign office offers an excellent web service, which updates you on the risk of travelling abroad. It is updated 24/7.
Travel Insurance Tips
Please make sure that you take out the correct travel insurance for the country you are visiting. Please note they maybe exclusions on your policy depending on where you are travelling. Here is the link to the foreign office website.