[Travelling to high altitude areas--acute high altitude sickness].

BACKGROUND: People show increasing interest in travelling to high altitude areas such as the Himalayas, the Andes and mountains like Kilimanjaro in Tanzania. MATERIAL AND METHODS: Based on personal experience and published articles, an overview of acute high altitude sickness (acute mountain sickness) is given. RESULTS AND INTERPRETATION: High altitude sickness may be mild, moderate or severe, i.e…