How long scarlet fever lasts
Scarlet fever lasts for around 1 week.
You can spread scarlet fever to other people up to 6 days before you get symptoms until 24 hours after you take your 1st dose of antibiotics.
If you do not take antibiotics, you can spread the infection for 2 to 3 weeks after your symptoms start.
If you or your child has scarlet fever, stay away from nursery, school or work for 24 hours after you take the 1st dose of antibiotics.