Getting vaccinated against chickenpox is the best way to protect yourself from the disease. It helps reduce the severity of symptoms and also prevents the spread of the virus to others. This vaccine not only shields you from unwanted illness, but it also lessens the financial burden of medical treatment and minimizes time lost from work or school due to illness.
Things to Know Before Getting the Chickenpox Vaccine
- What is the chickenpox vaccine and how does it work?
- Who should get the chickenpox vaccine?

- Who should not get the chickenpox vaccine?
- How much does the chickenpox vaccine cost?

- How many doses of the chickenpox vaccine are needed?
- side effects of the chickenpox vaccine?
- Precautions after chickenpox vaccination
- Can you still get chickenpox after being vaccinated?
- Is the Chickenpox Vaccine Really Necessary?
What Is the Chickenpox Vaccine and How Does It Work?
The chickenpox vaccine (Varicella Vaccine) is a live attenuated vaccine, meaning it contains a weakened form of the virus that causes chickenpox. It is highly effective in preventing the disease.
While some people may still develop chickenpox after vaccination, the symptoms are usually much milder. They may experience fewer skin lesions, little or no fever, and recover more quickly than those who have never been vaccinated.
The vaccine also helps prevent complications such as secondary bacterial infections and the future development of shingles (herpes zoster).
Who Should Get the Chickenpox Vaccine?
- Children who have never had chickenpox should receive two doses of the vaccine at the following ages:
- First dose: At 12–18 months of age
- Second dose: At 4–6 years of age (this can be given earlier, but must be at least 3 months after the first dose)
- Teenagers aged 13 and above who have never had chickenpox or have never been vaccinated should receive two doses, spaced at least 28 days apart.
Who Should Not Get the Chickenpox Vaccine?
- People who have had a severe allergic reaction to a previous dose of the vaccine or to any of its components, including neomycin
- pregnant women, and women who have received the vaccine should avoid becoming pregnant for at least 1 month
- People with severely weakened immune systems such as people with HIV and a CD4 count below 15% or people with any type of cancer as well as anyone
- who is currently experiencing a fever should postpone vaccination until they have fully recovered.
How Much Does the Chickenpox Vaccine Cost?
The cost of the chickenpox vaccine is 2,190 THB per dose
Note: This price includes the doctor’s fee and clinic service charges.
How Many Doses of the Chickenpox Vaccine Are Needed?
Two doses are recommended for the most effective immunity against chickenpox.
Side Effects of the Chickenpox Vaccine
The chickenpox vaccine is very safe and provides good protection. However, like all vaccines, some side effects may happen:
- Common side effects: Soreness, swelling, or redness at the injection site, mild fever.
- Less common side effects: Small rash (usually appears within 1 month after the shot)
- Rare but serious side effects: Seizure caused by high fever (very rare)
Precautions after chickenpox vaccination
- Stay at the clinic for 30 minutes after getting the shot to monitor for any immediate reaction
- Watch for any side effects at home and inform your doctor or health worker before the next dose if needed
- If there is pain or swelling, apply a cold pack. If fever occurs, you can take fever medicine
- If you experience a severe allergic reaction, get medical help immediately or call 1669
- Make sure to complete all required doses and keep your vaccine record for future reference
Can You Still Get Chickenpox After the Vaccine?
The chickenpox vaccine is very effective, but it’s still possible to get the disease. However, if you’ve been vaccinated, the symptoms are usually much milder including fewer rashes, low or no fever, and a quicker recovery compared to people who haven’t had the vaccine.
Feel free to contact us for pricing information.Is the Chickenpox Vaccine Really Necessary?
If you’ve never had chickenpox, getting the vaccine can help lower your risk of infection and serious complications, especially for adults, who tend to have more severe symptoms than children if they catch the disease.
For more info and make appointment
Supitcha Buengjan ,M.D.
General Practitioner
Latest edit : 30/01/2026
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MM