Vaccinated, and still in pain? Here are some common side effects of vaccines

Find out how vaccines work and what side effects they may have.

Vaccination is the primary step towards immunisation. Though vaccines are administered to protect against diseases, they too can cause some side effects after being injected.

How vaccines work?

Vaccines are administered to mimic an immune reaction. A vaccine commonly contain a weakened or killed form of a disease causing agent. The white blood cells (which fight infections) in the body cannot distinguish between these less harmful agents and actual infections and trigger an immune response. This response is similar to the one the body might trigger if encountered with an actual infection. Thus the body s response to this pseudo infection may range from mild to moderate side effects.

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There are various side effects to vaccination. Mild reactions after immunization include inflammation, redness and soreness at the site of injection and mild fever or flu like symptoms. Severe or life threatening side effects are very rare. These effects majorly depend on the type of vaccines being administered. Want to know more about vaccines? Here is all the information you need.

Side effects of some important vaccines

DTP vaccine

The DTP vaccine is a combination of three vaccines for immunization from diphtheria, tetanus and pertussis (whooping cough). It is administered to children between the age of twomonths and six years. You can read more about the 10 vaccines recommended for your child.

Side effects of this vaccine include:

  • Mild Fever
  • Redness or swelling
  • Soreness or tenderness at the site of injection
  • Moderate side effects which are rare include seizures, high fever

MMR Vaccines

the MMR vaccine is used for immunization against measles, mumps and rubella. Although its side effects are mild, there are a few severe ones you should know about; although their occurrence is very rare.

Side effects of this vaccine include:

  • Fever
  • Mild rash
  • Swelling of glands in the cheeks or neck

If these problems occur, it is usually within 7 to 12 days after the shot. They occur less often after the second dose.

Hepatitis A

Side effects include:

  • Soreness or tenderness at the site of injection
  • Headache
  • Fatigue
  • Loss of appetite
  • Severe side effects may include allergic reactions

Hepatitis B

Hepatitis B vaccine is very safe and side effects are very rare.

Side effects include:

  • Soreness or tenderness at the site of injection
  • Mild temperature around 99.9 F or higher has been observed in rare cases.

Typhoid vaccine

This vaccine shows very rare and mild reactions on injection.

Side effects include:

  • Fever (up to about 1 person per 100).
  • Headache (up to about 1 person in 30).
  • Redness or swelling at the site of the injection (up to about 1 person in 15).

How to treat these side effects

These side effects are mostly short lived and subside with time.

  • Swelling or redness can be treated by applying a cold compress or placing ice packs on the site of injection.
  • Pain relieving medicines can also be administered if needed.
  • To treat fever and flu like conditions, plenty of fluids should be consumed.
  • If side effects persist and cause more discomfort a doctor should be consulted immediately

Image source: Getty Images

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