Bali is getting better in terms of hygiene and medical facilities but it still has a way to go. You do not want to have a medical emergency here. Make sure you have medical insurance before you come to Bali. Best to have insurance that will evacuate you if you get terribly sick or have a serious injury during your travel time in Bali and airlifted needed to Singapore or home

Drink plenty of fluids (mineral water and fruit juices) to avoid dehydration because Bali might be too hot. Drink from sealed bottled water ONLY - ice in drinks, however, is not a problem. Use common sense when choosing a place to eat. Eat in established restaurants that are clean and well patronized.

If you are using prescription drugs bring a sufficient supply. Pharmacies /Drug store (Apotiks) often can fill a prescription but the dosage may not be quite the same as your doctor has prescribed.

Take prompt care of any cuts or burns - do not risk infection in this heat and humidity. If you are sleeping in the open air, use mosquito repellent and a mosquito net. Malaria is not a problem in Bali