Skin rashes can be both unsightly and uncomfortable. Some are caused by minor irritations or allergies, while others are related to more serious infections. We’ll help you identify different rashes, tell you about some possible causes for rashes in children and adults, and explain how rashes can be treated. Comprehensive information about adult rash, including cause and treatment options. Signs and symptoms in children and adults vary slightly to those in babies and toddlers. Meningitis and septicaemia often happen together so be .