Malaria is also, a problem in many parts of Mexico, although regions above 1000m including Mexico City are malaria free. Areas most affected include Chiapas, Sinaloa, Nayarit, Guerrerro, Tabasco, Quintana Roo, Hidalgo and Chihuahua. Prophylactic medicationis advisable and take precautions to avoid bites by covering up and using repellents. Take time to acclimatize to the altitude, particularly if you are visiting higher regions. Altitude sickness can result in breathlessness, dizziness, headaches, nausea and poor appetite.
Severe symptoms result in loss of balance, coughing pink sputum and disorientation.
A slow descent will often alleviate symptoms and usually bring about full recovery. Ensure that you take comprehensive health insurance out before departure. Many parts of South Africa have very good medical facilities compared to some other areas of the continent. However, in public hospitals delays are commonplace and treatment can be variable. Private health care is the preferred option for visitors.