Traveller's diarrhoea is an infection of the gastrointestinal tract that mainly affects travellers, typically due to poor sanitation. It usually causes urgent and frequent diarrhoea. This can be unpleasant and potentially lead to dehydration. It is important to keep hydrated and medications may be needed to help with symptoms.…

Yellow fever is an infectious viral disease transmitted by mosquitoes in tropical and sub-tropical climates. It can be fatal, and is a serious health concern. A vaccine is available and is routinely given to people who live in, or are intending to travel to, countries where the disease is common.…

A deep vein thrombosis is the formation of a blood clot within a deep vein, usually in the legs. Numerous factors can increase the risk of a clot forming. The clot may travel to a lung and block its function, which may be life-threatening. Following some advice can help prevent this condition.…

Dengue fever is an infectious viral disease transmitted by mosquitoes in tropical and sub-tropical climates. Most people with dengue fever suffer unpleasant symptoms, such as fever, headache and vomiting, but will make a full recovery. However, repeated infections can result in a form of haemorrhagic fever.…

Bed bugs are small, wingless insects that feed on blood. They may be found on mattresses, bedding and other soft furniture. Bites from bed bugs can be very itchy and annoying, but are usually not serious.…

Typhoid fever is caused by a strain of salmonella bacteria. It is transmitted via contaminated food or water, and can cause severe diarrhoea and a rash. Typhoid fever is much more common in developing countries.…