<s>[INST] Hi-I have an itchy blothy rash on my right lower leg. I have been using cortisone which helps with the itch, but the rash dosen't seem to go away. It is not scabies, or shingles (from the pictures I've seen). It is on my right leg, and I have one patch on my left under arm-closer to my back. Sorry, I do not have  any money left this week,  my husband is on disability, and I have a low paying job. I am sorry that I wasted your time. I did not know an answer would cost money. Best regards. [/INST] Hi.itchy blitchy rash on the leg and the armpit is tinea corporis.it is a fungal infection mainly present on the waist.groins .armpits.buttocks.face.palms etc.it can be cured by antihistamine atarax 25 mg at night.use terbinafine 250 mg oral for 14 days and terbinafine ointment over the lesions.steriods decrease the itching part not the whole infection even it may increase the infection </s>