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The most frequently encountered travellers' illnesses are diarrhoea, nausea, vomiting, fever, and skin manifestations (rashes, sores, swelling, etc). Also seen are hepatitis (liver inflammation) and its accompanying jaundice, headaches, and meningitis and/or encephalitis. Some diseases will also cause respiratory symptoms – coughing and/or difficulty breathing.
The symptoms of some diseases may be so mild and self-limited that they go unnoticed; many may be a miserable annoyance for a few days, and a few may cause an acute medical emergency. There are diseases that may not emerge until the traveller has returned home, with symptoms that may resolve, cycle, grow progressively worse, or linger. Left untreated, a few of the diseases can have serious consequences including death.
Last Review Date: August 14, 2017