Fever After Vaccination in Babies

Fever After Vaccination in Babies

One of the side effects of vaccination is a fever. As a parent, you may not know what you should do in such a situation. Let’s find out how a fever after vaccination affects your child.

Is Post-Vaccination Fever Normal?

Some babies experience a high temperature after getting a shot, and this is normal. It means that your child’s immune system is responding to the vaccination. Hence, you shouldn’t be worried if your baby is down with a mild fever.

What Causes Fever After Vaccination in Infants?

Vaccination prevented diseases from infecting the body, by preparing the immune system to fight against a potential threat. After vaccination, babies’ bodies heat up a little due to the response from immune system against a few vaccines. It is purely a defence mechanism of the body to get rid of an infection which is commonly labelled as fever. Hence, some vaccination cause fever after vaccination in some infants.

What Are the Red Flags?

A temperature over 99°F is regarded as fever in children and it shouldn’t be ignored. Here are the signs you should look out for:

  • 101°F or higher in babies younger than 3 months
  • 102° F or higher in babies who are between 3- and 6-months-old
  • Extreme fatigue
  • Pain in the stomach, limbs, and ears
  • Difficulty swallowing fluids
  • Vomiting or diarrhoea
  • Fever that persists for more than 3 days
  • Drowsiness

Tips to Help Your Baby Deal With This Phase

Even though a fever after vaccination is normal, you would want to ensure your baby feels more comfortable and relaxed. Here’s what you can do:

1. Be There for Her

There’s nothing more that an infant wants than her parents’ love and care. Just be there for your child. Plan the day such that you get 3 to 4 hours with your child after vaccination.

2. Keep Your Infant’s Room Well-Ventilated

Keep the windows open and let the fresh air in. The ideal temperature is 18° Celsius (65°

3. You can also use a humidifier.

In most cases, a post-immunisation fever will resolve on its own. However, it’s always better to follow your gut instinct, and contact your paediatrician if you feel something amiss.

Also Read: 

Side-effects of Vaccination in Infants
Painless Vaccination for Babies