When Should I Worry?
Having an ill child can be a very scary experience for parents. If you understand more about the illness it can help you to feel more in control. The booklet at the bottom of this page is for parents (and older children) and deals with common infections in children who are normally healthy. It is not meant for children who have ongoing health problems such as asthma, heart, or kidney problems. You should not rely on the advice in this leaflet for children who are less than 6 months old. Babies younger than this can respond differently to infections.
Scarlet Fever Advice
There are currently high rates of Group A strep and scarlet fever in the UK.
Scarlet fever, which is caused by the bacteria Group A streptococcus, is usually a mild illness but it is highly infectious. Scarlet fever is much more common in children than in adults and it is important that children with scarlet fever are seen by a healthcare professional so that they can be started on antibiotics.
Please see the guidance from NHS England in the links below advising when to contact a healthcare professional.
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Strep A and scarlet fever
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Fever advice sheet (PDF)Rashes in babies and children
Many things can cause a rash in babies and children, and they’re often nothing to worry about.
The NHS provide support for identifying some of the common rashes in babies and children.
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NHS: Rashes in babies and childrenNHS vaccinations and when to have them
It’s important that vaccines are given on time for the best protection. Check the dates your child needs to have their vaccinations by and contact your GP.
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NHS vaccinations and when to have themStart for Life
Trusted NHS help and advice during pregnancy, birth and parenthood.
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Start for Life
Child health
Page published: 9 May 2023
Last updated: 15 October 2025