The lack of oxygen at attitudes over 2500m (8250 ft) affects most people because the heart and lungs have to work harder and less oxygen reaches the brain and muscles at high altitudes. Altitude Sickness can occur at 3000m (10,000 ft), but usually occurs at 3500m or higher. Usually the higher the altitude, the worse the symptoms. High altitudes affect people differently Mild symptoms can be treated by resting for a day or two. More severe symptoms include severe headache, breathlessness, loss of coordination, vomiting, severe cough, drowsiness, and loss of consciousness.
One can buy pills against altitude sickness, but these have side effects. Local people suggest chewing garlic which makes the blood thinner.
Snakes, Scorpions & Poisonous Bites
If you are bitten by a snake, try to get a good description of it so the doctor will know how to treat you. If a snake bites you, if possible, catch the snake, so you will know exactly what kind of snake it was.. Sucking the poison from the wound does not help. Scorpion bites are extremely painful but rarely fatal. Scorpions will often hide in shoes or clothing.
Symptoms: nausea, lack of appetite, headache, fatigue, weakness, aches and pains, chills. The eyes and skin turn yellow, and you may experience abdominal pain in your upper abdomen, especially on the right side. Your urine may also turn dark yellow.