Come to Us, or We Come to You
Both options available 24 hours a day, seven days a week. English-speaking doctors, IV fluids, and medication dispensed on the spot.
Walk In to Our Clinic
Sukhumvit Soi 13, near BTS Nana and BTS Asok. No appointment needed. A licensed English-speaking doctor assesses you immediately, prescribes treatment, and administers IV fluids on-site if needed.
Doctor to Your Hotel
WhatsApp us your hotel name and room number. A licensed doctor arrives within 45 to 75 minutes carrying medication, IV fluids, and everything needed to treat you in your room. No need to travel when you are unwell.
See a Doctor Immediately If You Have Any of These
Most diarrhea resolves within three to five days. But certain symptoms mean you should be assessed without delay. If any of the following apply, walk in or WhatsApp us now.
Blood or mucus in stools
Fever above 38.5°C
Dizziness or dark urine (dehydration)
Symptoms lasting more than 48 hours
⚠️ Severe symptoms need assessment now
Acute diarrhea becomes a medical emergency with severe dehydration, high fever, blood in the stool, or inability to keep fluids down. Bangkok’s heat accelerates dehydration. Do not wait it out in your hotel room.
Diarrhea in Thailand: Why It Hits Travellers So Hard
Thailand’s food and water carry bacteria, parasites, and viruses that most visitors have no prior immunity to. Street food, ice, salads, raw shellfish, and tap water are the most common sources. Most travellers experience at least one episode of diarrhea during a trip.
Bangkok’s heat makes it worse faster. Dehydration that would take a day to develop at home can set in within hours at 35 degrees. What feels manageable in the morning can require IV fluids by the evening. Do not wait it out in your hotel room and hope it passes.
Traveller’s Diarrhea: Causes and When to See a Doctor
Traveller’s diarrhea is the most common illness affecting visitors to Thailand. It is caused by consuming food or water contaminated with bacteria such as E. coli, Campylobacter, or Salmonella, or by viral or parasitic infection. Most cases resolve within three to five days. Some do not.
What Is Acute Diarrhea and When Is It Serious?
Acute diarrhea is three or more loose stools per day lasting less than 14 days. It becomes a medical emergency when accompanied by severe dehydration, high fever, blood in the stool, or inability to keep fluids down. If any of these apply, walk in or WhatsApp us now.
What Is Infectious Diarrhea?
Infectious diarrhea is caused by a pathogen, a bacteria, virus, or parasite, rather than diet or stress. It is the most common type affecting travellers in Thailand. Unlike mild stomach upset, infectious diarrhea requires medical assessment to identify the cause and prescribe the correct treatment. Self-medicating with the wrong antibiotic can make certain infections significantly worse.
Medicine for Diarrhea in Thailand: What Actually Works
The right treatment depends on the cause. A Doctor Bangkok physician assesses your symptoms, stool characteristics, and exposure history before prescribing. Over-the-counter remedies from a Thai pharmacy may relieve symptoms temporarily but will not resolve an underlying infection.
At Doctor Bangkok, same-visit treatment can include any of the following, all dispensed on-site:
Oral rehydration therapy
Restores fluids and electrolytes for mild cases.
IV fluids
For moderate to severe dehydration. Far faster than oral rehydration in Bangkok’s heat.
Antibiotics
Azithromycin or ciprofloxacin for bacterial traveller’s diarrhea where indicated.
Antiparasitic medication
Metronidazole for parasitic infection such as giardia when identified.
Loperamide
For symptom control in mild cases without fever or blood in the stool.
Anti-nausea medication
Ondansetron to settle nausea and vomiting so you can keep fluids down.
Prescribing is always based on the physician’s assessment. All medications are dispensed on-site. No pharmacy visit required.
Diarrhea Treatment Costs at Doctor Bangkok
Costs depend on the assessment and the treatment required. There are no hidden fees. WhatsApp us a brief description of your symptoms and we will give you a clear price before any treatment begins.
| Service | Price (THB) |
|---|---|
| Doctor consultation and assessment | Contact clinic for current pricing |
| IV fluid therapy (rehydration) | Contact clinic for current pricing |
| Prescription medication (dispensed on-site) | Contact clinic for current pricing |
| Doctor hotel visit (within central Bangkok) | Contact clinic for current pricing |
Get a clear price before treatment
WhatsApp us your symptoms and whether you want a clinic visit or hotel visit. We will confirm the cost upfront, with no hidden fees.
What Diarrhea Medicine Can a Doctor Prescribe in Bangkok?
Depending on the assessment, a Doctor Bangkok physician may prescribe azithromycin or ciprofloxacin for bacterial traveller’s diarrhea, metronidazole for parasitic infection such as giardia, loperamide for symptom control in mild cases, and ondansetron for nausea and vomiting. All medications are dispensed on-site. No pharmacy visit required.
The correct medication depends entirely on the cause of your diarrhea, which is why a physician assessment matters. Taking the wrong antibiotic, or an anti-motility drug like loperamide when you have a fever or blood in your stool, can prolong an infection or make it worse.
Frequently Asked Questions
How quickly can a doctor come to my hotel in Bangkok?+
A doctor from Doctor Bangkok typically arrives at your hotel within 45 to 75 minutes of your WhatsApp message. The doctor carries medication, IV fluids, and everything needed to assess and treat you in your room. WhatsApp us your hotel name, room number, and a brief description of your symptoms and we will dispatch immediately.
Do I need to fast or prepare before seeing a doctor for diarrhea?+
No. Come or call as you are. The doctor will ask about your symptoms, what you have eaten, when symptoms started, and whether you have been able to keep fluids down. Keep track of how many times you have had diarrhea in the past 24 hours if you can. This information helps the doctor assess severity and choose the right treatment quickly.
Should I take Imodium before seeing a doctor?+
Loperamide, sold as Imodium, can be useful for symptom control in mild traveller’s diarrhea without fever or blood in the stool. However, it should not be used if you have a fever above 38 degrees, blood or mucus in your stools, or severe abdominal pain. In these cases, loperamide can prolong the infection by preventing your body from clearing the pathogen. If you are unsure, come in first and let the doctor advise.
Can I get IV fluids for diarrhea in Bangkok?+
Yes. Doctor Bangkok provides IV fluid therapy for dehydration at both the clinic and during hotel visits. IV rehydration is significantly faster than oral rehydration for moderate to severe dehydration and is particularly important in Bangkok’s heat. The doctor assesses your hydration status on arrival and recommends IV fluids where clinically appropriate.
What is the difference between traveller’s diarrhea and food poisoning?+
Traveller’s diarrhea typically develops gradually over 24 to 72 hours and primarily causes diarrhea and cramps. Food poisoning often develops more rapidly, within hours of eating contaminated food, and frequently causes more severe vomiting alongside diarrhea. Both require medical assessment if symptoms are severe, prolonged, or accompanied by fever or blood. Doctor Bangkok treats both.
How long does diarrhea last in Thailand?+
Most cases of traveller’s diarrhea resolve within three to five days with appropriate treatment. Without treatment, bacterial infections can persist for a week or more. Parasitic infections such as giardia can last weeks if left untreated. If your symptoms have not improved after 48 hours or are getting worse, see a doctor. Do not wait for a natural resolution that may not come.
Is it safe to eat after diarrhea in Bangkok?+
Start with plain, easy-to-digest foods once symptoms begin to improve: plain rice, boiled chicken, bananas, and toast. Avoid dairy, spicy food, street food, and alcohol until you have been symptom-free for 24 hours. Stay well hydrated with bottled water or oral rehydration solution. Avoid tap water, ice, and raw produce until fully recovered.
Still Suffering?
Don’t Wait It Out Alone.
Diarrhea in Bangkok gets worse quickly in the heat. Get treatment started today, in our clinic or in your room. WhatsApp our doctor now or walk in to Sukhumvit Soi 13. Open 24/7. IV fluids on-site.
Soi Sukhumvit 13,
KhlongToei, Watthana
Bangkok 10110