Rabies Vaccine Schedule: How Many Doses, How Far Apart, and What Happens If You Miss One

Clinically reviewed by Dr. Ponlawat Pitsuwan, Physician, Doctor Samui. Last reviewed: August 2026

A monkey grabs your snack at one of the viewpoints above Chaweng, scratches your hand, and disappears into the trees. Or a stray dog outside a hilltop temple snaps at your ankle before you even register it is there. Either way, you are now searching for how many rabies shots you actually need and whether the schedule can fit around your flight home on Thursday.

The answer depends on two things: whether you have had rabies vaccinations before, and how serious the contact was. This article walks you through both paths, covers what happens if you miss a dose or need to fly home early, and tells you exactly what to do in the next fifteen minutes.

The First Fifteen Minutes — Before You Get to Any Clinic

Do not wait to clean the wound. Wash it immediately with soap and running water for at least fifteen minutes. This is the single most effective step you can take right now, and it genuinely reduces the risk of infection.

After washing, apply an antiseptic — iodine or an alcohol-based product. Then get to a clinic. Do not apply herbs, toothpaste, or anything a well-meaning bystander suggests. The clock starts at the bite, not at the clinic door.

PEP or PrEP — Which Rabies Vaccine Schedule Applies to You?

Two types of rabies vaccine schedules exist. Post-exposure prophylaxis, or PEP, is for people who have just been bitten or scratched. Pre-exposure prophylaxis, or PrEP, is for people who want protection before any contact happens.

If you are reading this after a bite or scratch, you need PEP. If you are planning ahead — a long-stay expat, a diver spending months on the island, or a parent travelling with young children — PrEP is worth discussing at our Chaweng clinic before something happens rather than after.

The Standard PEP Schedule for Unvaccinated Travellers

If you have never had rabies vaccinations before, the standard schedule at Doctor Samui follows the WHO-recommended Essen protocol: one dose on day 0, one on day 3, one on day 7, and one on day 14. Four doses total, given by injection into the upper arm.

Missing or delaying any of these doses weakens your immune response, so timing genuinely matters. A fifth dose on day 28 is not standard for most healthy adults. It is recommended for people with weakened immune systems, including those on immunosuppressive medication or with certain chronic conditions. Tell the doctor at your first visit if that applies to you.

What About the Intradermal Schedule?

Thai government hospitals sometimes use an intradermal schedule, where a smaller volume of vaccine is injected just under the skin rather than into muscle. This uses less vaccine per dose but requires more injection sites per visit. If you started your series at a government hospital on the island, let us know at Doctor Samui so we can confirm which protocol you are on before continuing.

When Is Rabies Immunoglobulin (RIG) Required?

RIG is a concentrated antibody solution injected at and around the wound site on day 0. It provides immediate protection while your body builds its own response over the days that follow. It is only ever given once, on day 0, and cannot be given later.

Not everyone needs it. A lick on intact skin needs no vaccine at all. A scratch or bite that broke the skin is a different matter, and a deep wound from a stray dog or a monkey scratch on the hand requires RIG on day 0. This is where your choice of clinic on Koh Samui matters practically. Some small beachside clinics do not stock RIG. Doctor Samui maintains RIG stock for this reason. If you are unsure whether RIG was given or whether you needed it, come in and we will review your wound and your records.

Previously Vaccinated? Your Schedule Is Much Shorter

If you have already completed a full pre-exposure or post-exposure rabies series, your schedule after a new bite is just two doses: one on day 0 and one on day 3. No RIG is needed. Your immune system already knows what to do.

Bring proof of your previous vaccination if you have it. If you cannot find your records, we can check your antibody levels with a blood test and advise from there.

Flying Home Before Your Rabies Vaccine Schedule on Samui Is Done

This comes up constantly for tourists on Koh Samui. You get bitten on day two of a ten-day trip, start your PEP, and then realise your flight home falls before day 14.

You can complete your schedule abroad. Any licensed clinic with a WHO-approved cell-culture vaccine such as Verorab or Rabipur can continue your series. The brand does not need to match. What matters is that the doses stay on schedule. Ask us at Doctor Samui for a written vaccination record before you leave. It should include the vaccine brand, batch number, dates of every dose received, and dates still outstanding. Carry it in your hand luggage.

Tell the clinic abroad exactly which days you have had and which remain. Do not restart the schedule from zero. You are continuing, not starting again.

Can You Get Follow-Up Doses at Your Hotel?

Yes, and this is one of the most practical things to know about managing a rabies vaccine schedule on Koh Samui. Day 3 and day 7 fall in the middle of most people’s holidays. If you are staying in Chaweng, Lamai, Bophut, Maenam, Choeng Mon, or further out toward Taling Ngam, you do not need to arrange transport back to a clinic for every dose.

Doctor Samui offers 24-hour hotel and villa visits across the island. We bring the vaccine to you. This keeps you on schedule without disrupting your trip, and it matters especially for families managing young children already.

The PrEP Schedule — If You Are Planning Ahead

Pre-exposure vaccination is three doses: day 0, day 7, and day 21 or 28. After that, a booster every one to three years depending on your exposure risk.

This is worth considering for long-stay expats, frequent travellers who return to Thailand regularly, anyone working with animals, and families with children under ten. Young children are at higher risk because they play closer to animals and are less likely to report a small scratch or lick. If they are vaccinated before any contact, a new exposure means only two follow-up doses and no RIG.

What Happens If You Miss a Dose?

Do not skip it and do not restart from day 0. If you missed a scheduled dose, get it as soon as possible and continue from where you left off. A short delay does not cancel what you have already had. A longer gap is more concerning, especially early in the schedule when your immune response is still building.

If you are unsure whether a delayed dose is still within a safe window, contact us. The decision depends on how much time has passed and which dose you missed. More detail on this is covered in our guide on what happens if you miss a rabies vaccine dose.

Does day 0 mean the day I was bitten, or the day I first get the vaccine?

Day 0 is the day of your first injection, not the day of the bite. That said, start as soon as possible after the bite. The sooner day 0 happens, the better the schedule works.

I was scratched by a monkey at a Koh Samui temple. Do I really need the full schedule even if the scratch looks minor?

Yes. Any broken skin from a primate in Thailand warrants same-day medical assessment. Monkeys are a documented rabies vector here, and a small scratch on the hand is enough to require vaccination. Do not wait to see whether it looks serious.

Can I get my day 3 or day 7 dose at my hotel on Koh Samui?

Yes. Doctor Samui provides hotel and villa visits across the island around the clock, so you do not need to travel back to the clinic for every follow-up dose. We come to you, which keeps your rabies vaccine schedule on track without disrupting your stay.

I have to fly home before I finish my schedule. What documentation do I need?

Ask for a written record that includes the vaccine brand, batch number, dates of doses already given, and dates of remaining doses. Any licensed clinic abroad can continue your series. Carry the record in your hand luggage, not your checked bag.

What is rabies immunoglobulin and will I need it?

RIG is an antibody injection given at the wound site on day 0 for unvaccinated patients with wounds that broke the skin. It provides immediate protection while your body builds its own response. It is given only once, on day 0, and Doctor Samui stocks it. Not all small clinics on the island do.

My child was licked by a dog on the beach. Does that count as an exposure?

A lick on completely intact skin is low risk. But if there was any broken skin, a graze, or a small scratch nearby, that changes the assessment. Bring your child in the same day so we can check the wound properly and advise on whether vaccination is needed.

Can I switch rabies vaccine brands mid-schedule if I continue treatment at home?

Yes. You do not need to match the brand you started with, as long as the replacement is a WHO-approved cell-culture vaccine such as Verorab, Rabipur, or an equivalent. The schedule and timing matter far more than the brand name.