Immunizations  
No vaccinations are required for entry. Immunizations for tetanus, polio, rabies, typhoid, tuberculosis, and hepatitis are advisable (but not essential) before travel to Pakistan.

Water  
In Pakistan drinking water straight from the tap is unadvisable. Use only a reliable brand of bottled water or boiled water from the tap.
 
Sunburn and Sunstroke  
You can get sunburned very easily in the tropics, even when it’s cloudy. Use a sunscreen, hat Sunstroke and heat exhaustion may also creep up on the unwary traveler. Dizziness, fatigue and cramps are common symptoms of heat exhaustion. Make sure you drink plenty of water and salts, and stay out of the sun during very hot spells.

Hepatitis  
There are two major groups of viral hepatitis (inflammation of the liver), which differ in the way they are transmitted.
Hepatitis A and E, spread by contaminated food and water. Vaccination against the disease is available.

HIV/AIDS  
In Pakistan, only 2% known cases. All foreigners coming to stay in Pakistan for over one year require AIDS - free certificate