You must be using steroid creams for fungal infection like betnovate panderm, quadriderm, dermi 5or candid b. All these contain strong steorid which cause stretch marks. Please stop if you are using them. Please contact me with photos for proper treatment of fungal infection. The treatment for fungal infection is simple. You have to take anti fungal tablets and creams for 4 to 6 weeks following which it resolves. Do not apply soap on that area and do not self treat with over the counter steroid creams. Mistreatment with steroid creams and self treatment with cheaper medicine is the most common reason for recurrent disease. Kindly send photos for accurate diagnosis and prescription.