Hi,
There are many causes for itchy skin lesions. These may include fungal and bacterial infections, allergies,
eczema, parasitic infestations etc.,
Please give us more information regarding the origin, development, location and symptoms associated with the rash. also give us more information on your geeneral health ststus to help us evaluate you better.
Fungal infections also known as ring worm are cicular with central clearing. antifungals are the mainstay for treatment.