<s>[INST] i have a red itchy dark rash patch on my stomach below my belly button for a few months now. recently it has been itchier then ever and has gotten a little bigger and raised on my skin. i beleive it might be some type of dermatitis maybe contact dermatitis but i cant be to sure. i tend to shave in the same area where i have the patch (happy trail) and maybe the razor i was using at the time was a bit old which i already threw out once i noticed the rash 3-4 months ago but its still itchy and bumpy and dry. please help me ease my mind i am a very paranoid person. [/INST] It can be allergic or fungal or both in some patients' allergy occur on same portion whenever exposed to specific allergen medicines taken even if SOS like paracetamol calcium vitamins diet supplements or other problems can trigger it can be oils shampoo cooking oil soaps and body application material scan correlate or consult allergy doctor who can help to find the causative can use anti-allergic tabhistocalamine and anti-allergic ointment in affected area of skin you can also add fluconazole 150 mg once AWK for 4-6 wk to counter any fungal effect </s>