Have you ever heard of the Tdap vaccine? Maybe your doctor told you to get this vaccine during your pregnancy. Or maybe you heard this name when talking about the vaccines you need to give your child. This is a vaccine that is really important to our lives, protecting us from three dangerous diseases. So, today we will talk about what this Tdap vaccine is, what diseases it can protect against, and who should get it.
What is Tdap? What diseases does it protect against?
Simply put, Tdap is a combination of three vaccines. That means you get protection against three types of bacterial infections with one shot. That's pretty easy, right? The letters in the name Tdap represent these three diseases.
| Letter | Disease and description |
|---|---|
| T — Tetanus | This is what we call impetigo or impetigo in Sinhala. This occurs when bacteria enter the body through a wound. Imagine being stabbed by a rusty nail, or a wound contaminated with dirt. This causes the muscles of the body, especially the jaw and neck, to become painfully stiff. You cannot open your mouth, swallow food, or breathe. If left untreated, death can even occur. |
| d — Diphtheria | This is called pharyngitis in Sinhala. This causes a thick coating to form at the back of the throat. This can cause breathing difficulties, heart attacks, paralysis, and even death. This is also a very dangerous condition. |
| ap — Acellular Pertussis | This is the whooping cough we all know. When it develops, you start coughing non-stop and violently. This cough is so severe that you can't breathe or even eat or drink. It can be fatal, especially for newborns and young children. |
The Tdap vaccine is only given to children over 7 years of age, adolescents, and adults. DTaP is the vaccine given to younger children to protect against these diseases.
What do the uppercase and lowercase letters in these names mean?
You may be wondering why there are so many names like DTaP, Tdap, DT, Td. The meaning of this is very simple.
- A capital letter indicates that the vaccine contains the full dose of the disease.
- In simple terms , the 'd' and 'p' in Tdap indicate that it contains a reduced amount of the doses for diphtheria and pertussis.
The DTaP vaccine for young children has a full dose for each disease. However, a lower dose is enough to boost immunity in young adults and adults. That's why the 'd' and 'p' in the Tdap vaccine are in plain letters.
The other thing is the 'a' in 'ap'. It stands for `(Acellular)`. This means that only a part of the bacteria that causes whooping cough is used in the vaccine, not the entire bacteria. This means that the risk of side effects is very low.
Who should get the Tdap vaccine?
Let's see who this vaccine is important to.
- Children over 7 years of age: This vaccine is given to children over 7 years of age who were unable to complete the childhood vaccination series or who have not received any vaccinations.
- Children aged 11-12 years: It is recommended that they receive one dose of the Tdap vaccine to further boost immunity at this age.
- Pregnant women: It is essential to get one dose of the Tdap vaccine during pregnancy, especially during the early third trimester (between weeks 27-36). We will discuss this in more detail.
- Adults: Any adult who has never received the Tdap vaccine before should get one dose of this vaccine. After that, a Td (Tetanus and Diphtheria) or Tdap booster shot every 10 years can provide long-term protection.
Is it necessary to get the Tdap vaccine during pregnancy?
Yes, absolutely. There are many important reasons why doctors recommend that a pregnant mother get this vaccine. This is a great protection for both you and your unborn baby.
Imagine, when you get this vaccine during pregnancy, your body produces antibodies against those diseases. These valuable antibodies are also passed on to your baby through the placenta. This means that after the baby is born, until the baby can get the vaccine itself, it can protect the baby from the particularly dangerous whooping cough in the first few months. If a newborn baby gets whooping cough, it can be life-threatening.
Is this safe?
Absolutely. Research has clearly shown that getting the Tdap vaccine during pregnancy does not harm either the mother or the baby. It does not pose any risk of premature birth or low birth weight. So, don't worry, get this vaccine when your doctor recommends it.
Who should not get this vaccine?
Some people may not be eligible for this vaccine. If you are very sick or have a fever, it is best to wait until you are well before getting the vaccine.
Additionally, if you have any of the following conditions, you should definitely talk to your doctor before getting the vaccine.
- If you have had a severe allergic reaction after receiving a previous Tdap, DTaP, DT or Td vaccine.
- If you have experienced severe pain or swelling after receiving a diphtheria or tetanus vaccine.
- If you have fallen into a coma, lost consciousness, or had seizures after receiving a pertussis (whooping cough) vaccine.
- If you have seizures or other nervous system diseases.
- If you have a neurological condition called Guillain-Barré Syndrome (GBS).
What are the side effects of getting vaccinated?
Most side effects from the Tdap vaccine are minor and go away completely within a day or two. There is nothing to worry about.
| Type of side effect | Characteristics |
|---|---|
| Common minor side effects |
|
| Very rare serious side effects | These could be signs of a severe allergic reaction. If you notice anything like this, go to the nearest hospital's Emergency Department (ETU) without delay.
|
Questions to ask your doctor
It's normal to have questions before getting a vaccine. You can ask your doctor things like:
- "Doctor, when is the best time for me to get the Tdap vaccine?"
- "What side effects can I expect after taking this vaccine?"
- "How long is the protection of this vaccine?"
- "How often should I get a Tdap booster shot?"
- "Is there any reason why I might not be able to get this vaccine?"
It is your right to discuss any questions or doubts you may have with your doctor.
Take-Home Message
- The Tdap vaccine protects you against three dangerous bacterial infections: diphtheria (diphtheria), tetanus, and whooping cough.
- If you are pregnant, it is extremely important to get this vaccine to protect your baby in the first few months after birth.
- As adults, we should all get a booster shot every 10 years to keep our immunity high.
- Side effects from the vaccine are usually minor, and severe reactions are very rare.
- If you have any questions or concerns about getting vaccinated, always talk to your doctor.
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