Trekking in the Himalayas is an exhilarating dream, but the thin air of high altitudes demands respect. Acute Mountain Sickness (AMS) is a very real challenge that can affect anyone, regardless of age, fitness, or previous experience. Understanding how to recognize symptoms and follow safety protocols can make the difference between a successful journey and an emergency evacuation.

What is Acute Mountain Sickness? As you ascend above 2,500 meters, atmospheric pressure drops, and there are fewer oxygen molecules per breath. AMS is your body's initial protest to this rapid change. Common early symptoms include: - Persistent, throbbing headaches - Loss of appetite or nausea - Mild dizziness or lightheadedness - Disturbed sleep or insomnia - Unusual fatigue and weakness