You should follow the following protocol.
1. Regular exercise for 45 minutes.
2. Consume plenty of water at least 2 liters assuming your kidneys to be normal,
3. Plenty of citrous fruits and green leafy vegetables.
4. avoid oily fried foods including tast foods.
5. Clean your face with a non oily face scrub or soap.
6. Don't attempt to rupture the pimples
as it will spread the infection.
7. In case if any of the pimple ruptures just apply a mild antiseptic like betadine