Name of my. penis rash. The right way!

First picture is beginning 40 days back Red ness and sticky Second picture is now Now is very mild sticky Have penis red rash from 40 days 1.initally it is sticky red after using the below medicines for 5 days the sticky ness is gone but rash continious Moncef injection 2 times Ordent 5 days Candid b cream 2. After 5 days used the below prescription for 10 days Herpex 800 used 3 times a day Doxycaline and lactic acid tablets 1 time a day Candid b cream 3.after that used for 1 week the below Doxycaline and lactic acid tablets 1 time a day Candid b cream 4.now using only candid b cream Now its 40 days Still red rash continous but not as before but 60% lesser.its also very mild sticky and red So guide me is this a std or any other is the treatment in the right way