Chickenpox is common and mostly affects children, although you can get it at any age. It usually gets better by itself within a week without needing to see a GP.
You might get symptoms before or after the spots, including:
- a high temperature above 38C
- aches and pains, and generally feeling unwell
- loss of appetite
Chickenpox is very itchy and can make children feel miserable, even if they do not have many spots. Chickenpox is usually much worse in adults.
It's possible to get chickenpox more than once, although it's unusual.
If you're not sure it's chickenpox
Check other rashes in children.
- drink plenty of fluid (try ice lollies if your child is not drinking) to avoid dehydration
- take paracetamol to help with pain and discomfort
- put socks on your child's hands at night to stop scratching
- cut your child's nails
- use cooling creams or gels from your pharmacy
- speak to a pharmacist about using antihistamine medicine to help itching
- bathe in cool water and pat the skin dry (do not rub)
- dress in loose clothes
- check with your airline if you're going on holiday – many airlines will not allow you to fly with chickenpox
- do not use ibuprofen unless advised to do so by your doctor, as it may cause serious skin infections
- do not give aspirin to children under 16
- do not be around pregnant women, newborn babies and people with a weakened immune system, as it can be dangerous for them
Speak to a GP if:
- you're not sure it's chickenpox
- the skin around the blisters is red, hot or painful (signs of infection)
- your child is dehydrated
- you're concerned about your child or they get worse
Tell the receptionist you think it's chickenpox before going in.
They may recommend a special appointment time if other patients are at risk.
You can catch chickenpox by being in the same room as someone with it.
It's also spread by touching clothes or bedding that has fluid from the blisters on it.
How long chickenpox is infectious for
Chickenpox is infectious from 2 days before the spots appear to until they have crusted over, usually 5 days after they first appeared.
How soon you get symptoms after coming into contact with chickenpox
It takes 1 to 3 weeks from the time you were exposed to chickenpox for the spots to start appearing.
Chickenpox in pregnancy
It's rare to get chickenpox when you're pregnant, and the chance of it causing complications is low.
If you do get chickenpox when you're pregnant, there's a small risk of your baby being very ill when it's born.
Speak to a GP if you have not had chickenpox and have been near someone with it.
The chickenpox vaccine
You can get the chickenpox vaccine on the NHS if there's a risk of harming someone with a weakened immune system.
For example, a child could be vaccinated if 1 of their parents was having chemotherapy.
You can pay for the vaccine at some private clinics or travel clinics. It costs between £120 and £200.
Shingles and chickenpox
You cannot catch shingles from someone with chickenpox.
You can catch chickenpox from someone with shingles if you have not had chickenpox before.
When you get chickenpox, the virus stays in your body. It can be triggered again if your immune system is low and cause shingles.
This can be because of stress, certain conditions, or treatments like chemotherapy.