<s>[INST] Hi, I have a group of small rashes with black dot on middle of each on my waist. If pressed hard black dot is ready to pop. When they started it was itchy and painful 2 days back, but black dot is grown little bigger but not painful. Is it serious to visit a doctor immediately or should I try any anti bacterial or fungal creams? [/INST] Hi, The black dots on back are black comedones. They are the comedones acne on back. Do not worry. It is a benign and harmless condition. Consult the dermatologist for the perfect diagnosis and proper treatment. Apply retinoid acid gel 0.025% on the affected area of back. Cleanse the area with salicylic acid containing face wash. Take tab.isotretinoin 10 mg daily for few months. Hope I have answered your query. Let me know if I can assist you further. Regards. Chat Doctor.  </s>