Scarlet fever

Scarlet fever | NHS inform Home Illnesses and conditions Symptoms and self-help Tests and treatments Healthy living Care, support and rights Scotlands Service Directory 0 Home Illnesses and conditions Infections and poisoning Scarlet fever Scarlet fever Scarlet fever is a bacterial illness that mainly affects children. It causes a distinctive pink-red rash. The illness is caused by Streptococcus pyogenes bacteria, also known as Group A Streptococcus , which are found on the skin and in the throat. Scarlet fever symptoms Scarlet fever usually follows a sore throat or a skin infection, like impetigo , caused by particular strains of Streptococcus bacteria. The symptoms of scarlet fever usually develop 2 to 5 days after infection. However, the incubation period (the period between exposure to the infection and symptoms appearing) can be as short as one day or as long as 7 days. Speak to your GP if: You or your child: have symptoms of scarlet fever do not get better in a week (after seeing a GP) have scarlet fever and chickenpox at the same time are ill again weeks after scarlet fever got better  this can be a sign of a complication like rheumatic fever are feeling unwell and have been in contact with someone who has scarlet fever Rash The distinctive rough pink-red rash caused by scarlet fever. https://dermnetnz.org/ The distinctive rough texture rash caused by scarlet fever. https://dermnetnz.org/ The distinctive pink-red rash caused by scarlet fever develops 12 to 48 hours after symptoms like a sore throat or headache. Red blotches are the first sign of the rash. These turn into a fine pink-red rash that feels like sandpaper to touch and looks like sunburn . It may also be itchy. On darker skin the rash may be more difficult to see although its rough texture should be apparent. The rash usually starts on the chest and stomach, but soon spreads to other parts of the body, like the: ears neck elbows inner thighs groin The rash doesnt usually spread to the face. However, the cheeks become flushed and the area just around the mouth stays quite pale. The rash will turn white if you press a glass on it. The rash usually fades after about a week, but the outer layers of skin, usually on the hands and feet, may peel for several weeks afterwards. In milder cases, sometimes called scarlatina, the rash may be the only symptom. Other symptoms of scarlet fever Other symptoms of scarlet fever may include: swollen neck glands loss of appetite nausea or vomiting red lines in the folds of the body, such as the armpit, which may last a couple of days after the rash has gone a white coating on the tongue, which peels a few days later leaving the tongue red and swollen (this is known as strawberry tongue) a general feeling of being unwell When to seek medical advice If you think you or your child may have scarlet fever, see your GP for a proper diagnosis and appropriate treatment. It usually clears up after about a week Your GP should be able to diagnose scarlet fever by examining the distinctive rash and asking about other symptoms. They may also decide to take a sample of saliva from the back of the throat so it can be tested in a laboratory to confirm the diagnosis. Theres no evidence to suggest that catching scarlet fever when pregnant will put your baby at risk. However, if youre heavily pregnant, tell the doctors and midwives in charge of your care if youve been in contact with someone who has scarlet fever. How scarlet fever spreads Scarlet fever is very infectious and can be caught by: breathing in bacteria in airborne droplets from an infected persons coughs and sneezes touching the skin of a person with a Streptococcal skin infection, such as impetigo sharing contaminated towels, baths, clothes or bed linen It can also be caught from people who have the bacteria in their throat or on their skin but dont have any symptoms. Whos affected by scarlet fever Most cases of scarlet fever occur in children under 10 (usually between 2 and 8 years of age). However, people of any age can get the illness. As its easily spread, scarlet fever is likely to affect someone in close contact with a person with a sore throat or skin infection caused by Streptococcus bacteria. Outbreaks can occur in nurseries and schools where children are in close contact with one another. The symptoms of scarlet fever will only develop in people susceptible to toxins produced by the Streptococcus bacteria. Most children over 10 years of age will have developed immunity to these toxins. Its possible to have scarlet fever more than once, but this is rare. Treating scarlet fever Most cases of scarlet fever clear up after about a week without treatment. However, your GP may recommend treatment as it: reduces the length of time youre infectious speeds up recovery lowers the risk of complications of scarlet fever With treatment, most people recover in about 4 to 5 days and can return to nursery, school or work 24 hours after starting antibiotic treatment. Without treatment, youll be infectious for 1 to 2 weeks after symptoms appear. Antibiotics Scarlet fever is usually treated with a 10-day course of antibiotics . This is often in the form of penicillin or amoxicillin tablets, although liquid may be used for young children. For people who are allergic to penicillin, alternative antibiotics like erythromycin can be used instead. The symptoms usually improve within 24 hours of starting antibiotics, with the other symptoms disappearing within a few days. However, its important that the whole course of treatment is completed to ensure the infection is fully cleared and reduce the potential for antibiotic resistance . Keep your child away from nursery or school for at least 24 hours after starting antibiotic treatment. Adults with scarlet fever should also stay off work for at least 24 hours after starting treatment. Self care Many of the symptoms of scarlet fever can be relieved using some simple self care measures. Do drink plenty of cool fluids eat soft foods (if your throat is painful) take paracetamol to bring down a high temperature use calamine lotion or antihistamines to relieve itching Complications of scarlet fever Most cases of scarlet fever dont cause complications, particularly if the condition is properly treated. However, theres a small risk of the infection spreading to other parts of the body and causing more serious infections, like: an ear infection a throat abscess (painful collection of pus) sinusitis (inflammation of the sinuses) pneumonia (inflammation of the lungs) Very rare complications that can occur at a later stage include: bacteraemia (an infection of the bloodstream) septic arthritis meningitis necrotising fasciitis (a severe infection involving death of areas of soft tissue below the skin) Streptococcal toxic shock syndrome (rapidly progressive symptoms with low blood pressure and multi-organ failure) Speak to your GP immediately if: You or child develop any of these symptoms in the first few weeks after the main infection has cleared up: feeling very unwell severe pain severe headaches vomiting diarrhoea If your GP is closed, phone the 111 service. Preventing scarlet fever from spreading Theres currently no vaccine for scarlet fever. If your child has scarlet fever, keep them away from nursery or school for at least 24 hours after starting treatment with antibiotics. Adults with the illness should also stay off work for at least 24 hours after starting treatment. GPs, schools and nurseries should be aware of the current high levels of scarlet fever and inform local health protection teams if they become aware of cases, particularly if more than one child is affected. Do cover your mouth and nose with a tissue when coughing or sneezing wash your hands with soap and water after using or disposing of tissues. Dont do not share contaminated utensils, cups and glasses, clothes, baths, bed linen or towels Source: NHS 24 - Opens in new browser window Last updated: 01 March 2024 How can we improve this page? Help us improve NHS inform Thank You Your feedback has been received Dont include personal information e.g. name, location or any personal health conditions. Email Address e.g. you@example.com Message Maximum of 500 characters Send feedback Add this page to\n            Info For Me Also on NHS inform Self-help guide: Sore throat Self-help guide: Fever in adults Self-help guide: Fever in babies Fever in adults Fever in children Streptococcus A (strep A) Other health sites Group A strep in Scotland NHS inform About NHS inform Editorial policy Contact us Webchat Give feedback about NHS inform Info for Me tool Terms and conditions Privacy and cookies policy Freedom of information (FOI) Accessibility Other languages and formats  2023 NHS 24  v1.1.1.17852