A visit to a doctor and a current set of vaccinations is advisable before visiting Indonesia. Medical facilities are available and adequate in major cities and resorts, but can be inadequate elsewhere.

All food must be well cooked. Drink only water that has been boiled or bottled mineral water. Tap water in the hotel is potable and if desired, may be boiled prior to consumption using the facilities provided in-room. Bottled drinking water is also available in every hotel room.

The city air in Jakarta can become quite smoggy. Asthmatic travelers should carry their medication at all times.