The description what you are giving accordingly it could be Ringworm infection Ringworm is nothing but infection of the skin due to a small fungus growing on the skin.It is commonly seen during summer months or during monsoons when the dampness of the skin favors the growth of this fungus.It may appear on various parts of the body in different forms.The recurrence is commonly seen hence I would advice you to start with homeopathic treatment which will help you cure the disease condition and stop the recurrence Homeopathy treats the person as a whole. It means that homeopathic treatment focuses on the patient as a person, as well as his pathological condition. The homeopathic medicines are selected after a full individualizing examination and case-analysis, which includes the medical history of the patient, physical and mental constitution 

Hello there.  I can understand your concern.  Im sure you have taken over the counter creams to treat it whixh contain steroids which will just worsen your situation.  Get it checked out by a dermatologist in person for further evaluation and management.  Best regards. Dr. Anil kumar jain Bangalore.