Will babies sleep more after the vaccine is given? My baby is 2.5 months old and had second vaccine.

1 Answer

POOJA KOTHARIMom of a 8 yr 6 m old boy11 months ago

A. It is common for babies to experience increased sleepiness after receiving vaccinations, including the second dose of routine vaccines. This can be a normal reaction to the vaccine as their body works to build immunity. Possible Reasons for Increased Sleepiness: 1. Immune Response: Vaccines stimulate the immune system, which can make babies feel more tired as their body works to respond to the vaccine. 2. Mild Side Effects: Common side effects of vaccinations can include fussiness, mild fever, and general discomfort, leading to more sleep. 3. Pain or Discomfort: If the injection site is sore, your baby may be less active and more inclined to rest. What to Watch For: Normal Sleep: If your baby is sleeping more but still feeding well and seems comfortable, this is generally not a cause for concern. Monitor for Side Effects: Keep an eye on any side effects such as fever, excessive crying, or unusual lethargy. These can happen but should resolve within a couple of days. Feeding: Ensure your baby is still feeding adequately, as decreased appetite can be a concern. When to Consult a Pediatrician: If your baby is excessively sleepy (hard to wake for feeding), has a high fever (over 100.4°F or 38°C), or shows any signs of distress, it's best to consult your pediatrician for advice and reassurance. Overall, slight changes in sleep patterns after vaccinations are generally expected and usually resolve on their own.

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