Bali Belly Symptoms: What It Is, How Long It Lasts & What to Do
Bali belly is the informal name commonly used for traveller's diarrhoea or gastro symptoms experienced during or after a trip to Bali. Common Bali belly symptoms can include diarrhoea, nausea, vomiting, stomach cramps, abdominal pain, bloating, headache, fever and feeling generally unwell.
If you're travelling to Bali, it helps to know the early symptoms of Bali belly, how long it may last, whether it can be contagious, what to pack and when you should seek medical help.
This guide explains the practical steps Australian travellers should know before they go.
What Is Bali Belly?
“Bali belly” isn't a specific medical diagnosis. It is a popular term used to describe traveller's diarrhoea, gastroenteritis or digestive illness occurring during or after travel in Bali.
Traveller's diarrhoea can have different causes, including bacteria, viruses and parasites. Exposure can occur through contaminated food or water.
The Australian Government's Smartraveller advice for Indonesia recommends taking precautions with drinking water and food while travelling.
Check current Australian Government travel advice for Indonesia →
What Are the Symptoms of Bali Belly?
Common Bali belly symptoms include diarrhoea, nausea, vomiting, stomach pain and abdominal cramps. The exact symptoms and their severity vary depending on the underlying cause.
Symptoms of Bali belly may include:
- Diarrhoea or frequent loose bowel movements
- Nausea
- Vomiting
- Stomach pain
- Abdominal cramps
- Bloating
- Loss of appetite
- Headache
- Fever
- Body aches
- Weakness or tiredness
Some travellers experience relatively mild symptoms, while others can become significantly unwell.
What Are the Early Symptoms of Bali Belly?
There isn't one universal pattern of early Bali belly symptoms.
Depending on the cause, the first symptoms may include nausea, abdominal discomfort, stomach cramps or a change in bowel movements. Diarrhoea or vomiting may then develop.
Because these symptoms can have many causes, don't automatically assume that every illness experienced in Bali is Bali belly.
How Long Does Bali Belly Take to Kick In?
How quickly symptoms begin depends on what caused the illness.
According to the CDC Yellow Book, toxin-mediated food illness can begin within hours. Many bacterial and viral causes of traveller's diarrhoea have incubation periods of approximately 6 to 96 hours, while some protozoal infections may take one to two weeks to develop.
This means digestive symptoms can sometimes begin during your holiday and, in other cases, after you have returned home.
How Long Does Bali Belly Last?
There is no single duration for Bali belly because different infections and digestive illnesses can produce similar symptoms.
Healthdirect advises that most mild diarrhoea clears within a few days. Gastroenteritis-related vomiting commonly lasts around 1 to 2 days, while diarrhoea commonly lasts around 1 to 3 days but can sometimes continue longer.
The CDC notes that untreated bacterial traveller's diarrhoea commonly lasts around 3 to 7 days, viral diarrhoea around 2 to 3 days, while some protozoal causes can persist considerably longer.
If symptoms are persistent, severe or worsening, seek medical advice rather than assuming you simply need to wait for Bali belly to pass.
Is Bali Belly Contagious?
It can be, depending on the cause.
Bali belly isn't one specific disease, so whether it is contagious depends on what is causing the symptoms.
Some forms of gastroenteritis can spread easily from person to person. They can also spread through contaminated hands, surfaces, food or water.
If you develop vomiting or diarrhoea, good hygiene is particularly important. Wash your hands thoroughly with soap and water, especially after using the bathroom and before handling food.
Avoid preparing food for other people while you are unwell.
Can Parasites Cause Bali Belly?
Yes. Parasites are one of several possible causes of diarrhoea associated with international travel.
Waterborne parasites such as Giardia can cause diarrhoea, and some parasitic causes of traveller's diarrhoea have a slower onset than typical bacterial or viral illness.
Persistent diarrhoea after returning from Bali should therefore not simply be assumed to be a lingering stomach bug.
If symptoms continue, particularly for two weeks or more, seek medical assessment. Your healthcare professional may decide whether testing, such as a stool test, is appropriate.
How Can You Avoid Bali Belly?
You can't guarantee that you will prevent Bali belly, but careful food, water and hand hygiene can reduce exposure to some causes of traveller's diarrhoea.
When travelling in Indonesia, consider the following precautions:
- Drink bottled water with an intact seal or appropriately treated water
- Be cautious with tap water
- Consider the water source when brushing your teeth
- Avoid ice if you aren't confident about the water used to make it
- Choose freshly prepared, thoroughly cooked food
- Be cautious with raw food and salads
- Wash your hands regularly with soap and water
- Use hand sanitiser when soap and water aren't available
Even careful travellers can still become unwell, so preparation is just as important as prevention.
Read Smartraveller's latest Indonesia advice →
What Should You Take for Bali Belly?
What you need depends on the severity and cause of your symptoms.
The first priority with diarrhoea and vomiting is maintaining hydration. Fluids and electrolytes are lost during diarrhoea, and oral rehydration solution can be useful for replacing them.
A travel health kit may include:
- Oral rehydration solution or oral rehydration salts
- Your regular prescription medicines
- Any travel medicines recommended by your doctor or pharmacist
- Basic first-aid supplies
- Hand sanitiser
- Travel insurance details
- Medical and emergency contact information
What Is the Best Drink for Bali Belly?
Replacing lost fluids is important when you have diarrhoea or vomiting.
Healthdirect recommends clear fluids or an oral rehydration solution to replace lost fluids. If nausea makes drinking difficult, taking small, regular sips can be easier to tolerate.
Oral rehydration solutions contain appropriate concentrations of fluid and electrolytes and can be purchased from pharmacies.
Avoid alcohol while you are unwell, and be cautious with very sugary drinks because they can make diarrhoea worse.
Read Healthdirect's diarrhoea and hydration advice →
What About Bali Belly Medication?
There isn't one medication that is appropriate for every case of traveller's diarrhoea.
The appropriate approach depends on the symptoms, severity and underlying cause.
Healthdirect recommends speaking with a doctor or pharmacist before taking anti-diarrhoeal medicines. Antibiotics are not automatically required for every episode of traveller's diarrhoea and should be used according to appropriate medical advice.
If you are travelling and unsure what medicines to pack, discuss your destination and individual health needs with your doctor or pharmacist before departure.
What Should I Pack for Bali?
It's much easier to prepare your travel health essentials at home than to start looking for unfamiliar products after you become unwell overseas.
Before travelling to Bali, consider packing:
- Oral rehydration products
- Your regular medicines
- Any destination-specific medicines recommended by your healthcare professional
- Basic first-aid supplies
- Hand sanitiser
- Sunscreen and insect repellent
- Travel insurance details
- Copies of important health information
If homeopathy is already part of your personal wellness routine, you may also choose to pack your usual homeopathic products.
Naturepathics Gastro Relief for Your Travel Kit
For travellers who choose to use homeopathy, Naturepathics Gastro Relief is a practitioner-formulated homeopathic combination traditionally used to alleviate mild symptoms associated with gastro, including diarrhoea, nausea, vomiting, stomach pain, cramps, bloating and bad breath.
The 50 mL liquid bottle is easy to add to your travel wellness kit alongside your usual travel health supplies.
Gastro Relief does not prevent Bali belly and does not replace fluids, oral rehydration products, prescribed medicines or appropriate medical care.
Shop Naturepathics Gastro Relief →
Going to Bali? Explore the Naturepathics Homeopathy Travel Kit
If you prefer to travel with several Naturepathics products rather than Gastro Relief alone, the Naturepathics Homeopathy Travel Kit brings together five full-size products for common travel situations.
The kit includes:
- Gastro Relief
- Jet Lag Relief
- Injury Support
- Immune Tonic
- Respi Virus Support
The kit is designed as a complementary addition to your normal travel preparations. It does not replace a conventional first-aid kit, prescribed medicines, recommended vaccinations or medical care.
Explore the Naturepathics Homeopathy Travel Kit →
When Should You Seek Medical Help for Bali Belly?
Don't assume that every episode of vomiting or diarrhoea while travelling is something you simply need to wait out.
Seek appropriate medical advice if symptoms are severe, persistent or worsening, particularly if you experience:
- Severe diarrhoea
- Blood or mucus in your stool
- Fever
- Severe abdominal pain
- Persistent or frequent vomiting
- Difficulty keeping fluids down
- Very little urination
- Marked thirst or a dry mouth
- Dizziness or faintness
- Other signs of dehydration
Young children, older adults and people with underlying health conditions may be more vulnerable to dehydration and may require earlier medical assessment.
Bali Belly FAQs
What is Bali belly?
Bali belly is an informal term commonly used for traveller's diarrhoea or gastroenteritis experienced during or after a trip to Bali. It isn't one specific medical diagnosis and can have several different causes.
What are the symptoms of Bali belly?
Bali belly symptoms may include diarrhoea, nausea, vomiting, abdominal cramps, stomach pain, bloating, headache, fever, body aches, loss of appetite and feeling generally unwell.
What are the first symptoms of Bali belly?
There is no universal sequence. Depending on the cause, some people first notice nausea, abdominal discomfort, cramping or changes in bowel movements before diarrhoea or vomiting develops.
How long does Bali belly take to kick in?
It depends on the cause. Some foodborne illnesses can produce symptoms within hours, while many bacterial and viral causes of traveller's diarrhoea can take approximately 6 to 96 hours. Some parasitic illnesses can take considerably longer to appear.
How long does Bali belly last?
Many mild episodes of diarrhoea improve within a few days, but duration depends on the cause. Some bacterial, viral or parasitic infections can last longer. Persistent or worsening symptoms should be medically assessed.
Is Bali belly contagious?
It can be. Bali belly is a general term rather than one particular infection. Some causes of gastroenteritis are contagious and can spread between people or through contaminated hands, surfaces, food and water.
Can Bali belly cause headaches and body aches?
Headache, weakness, tiredness, fever and body aches can occur alongside gastroenteritis. Fluid loss from vomiting or diarrhoea can also lead to dehydration, so maintaining appropriate hydration is important.
Can Bali belly cause a fever?
Fever can occur with gastroenteritis and traveller's diarrhoea. Healthdirect recommends seeking medical advice if diarrhoea is accompanied by fever, particularly if symptoms are severe or persistent.
Can parasites cause Bali belly?
Yes. Parasites are one possible cause of travel-related diarrhoea. Persistent diarrhoea after travel may require medical assessment and, where appropriate, testing to determine the cause.
What is the best thing to drink for Bali belly?
Replacing fluids and electrolytes is important. Clear fluids and oral rehydration solution may be appropriate, with small frequent sips if nausea makes drinking difficult.
What should I take to Bali for an upset stomach?
Consider oral rehydration products, your regular medicines, basic first-aid supplies and any medicines recommended by your doctor or pharmacist. People who choose homeopathy may also decide to pack Naturepathics Gastro Relief alongside their normal travel health supplies.
Can Gastro Relief prevent Bali belly?
No. Naturepathics does not claim that Gastro Relief prevents Bali belly, traveller's diarrhoea or food- and water-borne infections. Gastro Relief is traditionally used in homeopathic practice to alleviate mild symptoms associated with gastro.
Prepare Before Your Bali Holiday
Bali belly can quickly disrupt a holiday, but sensible preparation means you'll know what to do if digestive symptoms occur.
Before leaving Australia, check current destination advice, organise travel insurance, pack appropriate hydration products and regular medicines, and know where you would seek medical assistance if you became seriously unwell.
If homeopathy is part of your usual wellness routine, explore:
Shop the Homeopathy Travel Kit →
About the Author
Written and reviewed by Shenaz Morkas, BHMS (Homeopathy, India)
Shenaz Morkas is the founder of Naturepathics and Morkare Natural Clinic and has more than 21 years of clinical experience. Naturepathics combines practitioner-formulated homeopathic products with practical education to make homeopathy easier for Australian families to navigate.
Learn more about Shenaz Morkas →
Important information: This article provides general educational information and is not a substitute for individual medical advice, diagnosis or treatment. Homeopathy should not replace or delay appropriate medical care. Always read product labels and follow directions for use. Seek appropriate medical advice for persistent, worsening, severe or concerning symptoms.