The 2-day road journey crosses 3 passes over 5,000m altitude. There is a very high risk of suffering from mild AMS and an increased risk of more severe forms of AMS. Travelling by road from Manali to Leh is strongly discouraged. Indeed, the tiredness caused by the 2-day road journey could prevent the body from acclimatizing properly to the altitude. Note: for participants who reached Leh by road from Manali, 22 % of them suffered from moderate AMS (LLS ≥ 4).įlying to Leh and resting for 24 to 36 hours is the best option to reduce the risk of AMS.Ĭontrary to popular belief, travelling by road from Srinagar to Leh presents a higher risk of AMS than flying to Leh. 57 % for participants who reached Leh by road from Manali.28 % for participants who reached Leh by road from Srinagar,.24 % for participants who reached Leh by flight,.Results: Mild AMS (LLSS ≥ 2) was defined by the presence of mild headache and at least one other symptom: poor appetite, mild fatigue, dizziness or sleep disturbance. Participants were also asked how they reached Leh: by flight, by road from Srinagar or by road from Manali. Within 3 days of their first arrival in Leh, the participants filled in a questionnaire based on the Lake Louise Scoring System (LLSS) in order to quantify the symptoms of AMS. Methods: Between May and October 2018, a survey was conducted among 3278 tourists in Leh. The aim of this study was to determine the prevalence of AMS depending on the mode of transport used to reach Leh (by flight or by road from Srinagar or Manali).

Study on AMS among tourists reaching Leh by flight and by roadīackground: Acute Mountain Sickness (AMS) is commonly experienced by travellers visiting Leh, Ladakh.

Mumbai airport taxi