Uncommon, particularly in winter months, although parents of children who get it are advised to report it to a doctor, because it is a notifiable disease, but often the symptoms there wear off after a week. very rarely, it can cause an invasive streptococcal disease, because it gets into the bloodstream and that is what we are talking about here. the symptoms of that, and parents are being advised us to watch out for these, or that if throat problems and generally feeling unwell turns into a high temperature, fever, or muscle pain, then a doctor should be contacted or medical advice should be ...