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Sickness after 12 month vaccinations

5 replies

elb1504 · 20/02/2026 09:59

DD had her 12 month vaccinations late yesterday afternoon, slept fine until around 5am when she woke up and was sick. She's been sick a couple more times since then. She also has a cold and cough which sometimes she coughs so much she's sick.

Has anyone else's little ones been sick after having them? Doesn't seem to be listed as a main side effect so not sure if its the vaccines or a dreaded sickness bug from nursery.

OP posts:
ToKittyornottoKitty · 20/02/2026 10:03

It sounds like she’s just ill OP, she was ill before the vaccination. Mine weren’t sick after theirs but felt rubbish.

SleafordSods · 20/02/2026 12:00

Did she have the cough and cold before the vaccinations? I thought you weren’t supposed to vaccinate if they’re already ill?

elb1504 · 20/02/2026 12:14

ToKittyornottoKitty · 20/02/2026 10:03

It sounds like she’s just ill OP, she was ill before the vaccination. Mine weren’t sick after theirs but felt rubbish.

Guess if we all get sickness we'll know!

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elb1504 · 20/02/2026 12:15

SleafordSods · 20/02/2026 12:00

Did she have the cough and cold before the vaccinations? I thought you weren’t supposed to vaccinate if they’re already ill?

Nurse said as long as no temperature which she hasnt had it was fine. She's had a cough/cold pretty much all winter.

OP posts:
twinmom89 · 26/02/2026 16:21

elb1504 · 20/02/2026 09:59

DD had her 12 month vaccinations late yesterday afternoon, slept fine until around 5am when she woke up and was sick. She's been sick a couple more times since then. She also has a cold and cough which sometimes she coughs so much she's sick.

Has anyone else's little ones been sick after having them? Doesn't seem to be listed as a main side effect so not sure if its the vaccines or a dreaded sickness bug from nursery.

Poor little thing! It's most likely a combination of both, my kids get it often after vaccinations too. Vaccines can cause a general under-the-weather response (like low grade fever, unsettled tummy etc.) even if vomiting isn't listed as a main side effect, and if she's already fighting a cold from nursery her system is working overtime. Bad timing!

Worth keeping an eye on her temperature over the next 1-2 days - I used managefever.com when mine are unwell, it's free and really helped me to spot whether the fever was settling or creeping up. Hope she's back to herself soon! 🤞

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