This website contains general information about medical conditions and treatments. The information is not personal advice and should not be treated as such. If you are suffering with a medical condition or you have questions about a medical matter you should consult your doctor or a consultant dermatologist without delay. Do not disregard advice from a medical professional or discontinue medical treatment because of information on this website. Please note, the British Skin Foundation is not responsible for external links. If you are looking for an NHS dermatologist, please contact your GP and they will be able to refer you.