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Looking for a dengue vaccine in Bangkok? Dengue fever is a mosquito-borne viral illness found in Thailand and many other tropical regions. Vaccination may be one part of dengue prevention for eligible individuals. At MedEx Thailand, the Qdenga dengue vaccine is listed at ฿6,499 for the complete two-dose course. The two injections are normally given […]
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Looking for a dengue vaccine in Bangkok? Dengue fever is a mosquito-borne viral illness found in Thailand and many other tropical regions. Vaccination may be one part of dengue prevention for eligible individuals.
At MedEx Thailand, the Qdenga dengue vaccine is listed at ฿6,499 for the complete two-dose course. The two injections are normally given three months apart.
This guide explains the Qdenga vaccine, who may be eligible, the recommended dosing schedule, potential side effects, price in Bangkok and how to book a vaccination consultation.
Dengue fever is caused by the dengue virus and spreads mainly through the bite of infected Aedes mosquitoes.
There are four dengue virus serotypes: DENV-1, DENV-2, DENV-3 and DENV-4.
Dengue is found in many tropical and subtropical countries, including Thailand.
Some people experience mild symptoms, while others develop more serious illness requiring medical care.
Severe dengue can cause bleeding, shock and other serious complications.
Seek urgent medical attention if symptoms such as severe abdominal pain, persistent vomiting, bleeding, unusual drowsiness or breathing difficulties develop.
Qdenga (TAK-003) is a live-attenuated dengue vaccine developed to help protect against dengue disease.
It contains weakened forms of dengue viruses designed to stimulate an immune response without causing dengue infection in people with normal immune function.
The vaccine is designed to address the four dengue virus serotypes, although the degree of protection varies depending on factors including the serotype, age and previous dengue exposure.
Qdenga does not guarantee complete protection against dengue infection or severe dengue.
MedEx currently lists the following Qdenga vaccination package:
| Package Details | MedEx Offering |
|---|---|
| Vaccine | Qdenga (TAK-003) |
| Number of doses | 2 injections |
| Interval | 3 months |
| Complete course price | ฿6,499 |
The published MedEx price refers to the full two-dose Qdenga course. Confirm stock, package inclusions, eligibility and any separately required medical services before booking.
Qdenga is administered as a two-dose vaccination course.
| Dose | Schedule | Details |
|---|---|---|
| First dose | Month 0 | Starts the vaccine series |
| Second dose | Month 3 | Completes the standard two-dose course |
The second injection is normally given three months after the first.
The need for an additional booster dose has not been established. Your healthcare provider can advise if future guidance changes.
Qdenga is registered and used in Thailand for certain children and adults, with local vaccination services commonly identifying an age range of 4–60 years.
However, being within the registered age range does not automatically mean vaccination is recommended for every person.
The World Health Organization recommends Qdenga primarily for children aged 6–16 years in settings with high dengue transmission intensity.
For adults, travellers and people outside that specific recommendation, vaccination decisions require an individual clinical risk-benefit assessment in accordance with applicable local guidance.
Factors a doctor may consider include:
Important: A doctor’s assessment should establish whether Qdenga is an appropriate option for you.
Previous dengue infection is an important factor in vaccination decisions.
Qdenga may be considered for certain people who have previously had dengue, subject to local recommendations and clinical assessment.
The benefits and uncertainties of vaccination can differ between people who have and have not previously been infected.
Unlike the older Dengvaxia vaccine, Qdenga does not have a universal requirement for proof of prior dengue infection before administration under its product indication. However, that does not mean vaccination is appropriate for everyone regardless of previous infection history.
If you previously had dengue, tell your doctor when the infection occurred and whether it was laboratory-confirmed.
Qdenga is a live-attenuated vaccine and is not appropriate for certain people.
It should not be given to:
People planning pregnancy should discuss timing with their doctor. Pregnancy should be avoided for at least one month following Qdenga vaccination.
Other conditions may require postponement or additional assessment. Always provide a complete medical history before vaccination.
Like other vaccines, Qdenga can cause temporary side effects.
Commonly reported reactions include:
These symptoms are usually temporary. Rare serious allergic reactions are possible, so vaccination should take place in an appropriate healthcare setting.
Contact a healthcare professional if symptoms are persistent or concerning. Seek emergency care for signs of a severe allergic reaction.
People living in or travelling to Thailand may face dengue exposure, especially in areas with mosquito activity.
However, Qdenga is not automatically recommended for every tourist or expatriate.
For travellers, medical advice depends on previous dengue infection, age, destination, duration of stay and the latest vaccination guidance.
A complete Qdenga schedule also requires three months between injections, which is important for people planning short trips.
Consult a qualified healthcare professional before arranging vaccination solely for travel.
Yes. Vaccination does not replace mosquito bite prevention.
Regardless of vaccination status, appropriate dengue prevention includes:
People who are vaccinated can still become infected with dengue.
MedEx currently lists the full two-dose Qdenga vaccination course for ฿6,499. Contact MedEx to confirm the latest price and availability.
The standard schedule consists of two injections given three months apart.
Qdenga is used in Thailand for certain adults within its approved age range, but individual eligibility and recommendations depend on medical history and applicable guidance. A doctor should assess whether vaccination is appropriate.
Proof of previous dengue infection is not universally required by Qdenga’s product indication. However, previous infection status matters when assessing benefits and risks, and your clinician may recommend testing or a different preventive approach.
Not having had dengue previously does not automatically exclude someone from the product’s approved indication. However, there are important differences in evidence and recommendations for dengue-naive individuals. A doctor should assess the expected benefits and risks before vaccination.
Qdenga is designed to generate immune responses against all four dengue virus serotypes, but protection varies and is not guaranteed against every serotype or infection.
No. Qdenga is contraindicated during pregnancy and breastfeeding.
No. Qdenga is a preventive vaccine, not a treatment for someone who currently has dengue.
MedEx provides vaccination services in Bangkok and lists the Qdenga two-dose dengue vaccine course for ฿6,499.
Before scheduling vaccination, our team can help confirm vaccine availability and arrange a clinician assessment of your medical history and eligibility.
Qdenga may not be appropriate for every patient. Vaccination should proceed only after an appropriate clinical assessment.
Medical disclaimer: This article provides general educational information and does not replace medical consultation. Qdenga eligibility depends on age, clinical history, previous dengue exposure and current medical recommendations. Prices and vaccine availability should be confirmed before booking.
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