Redness in penis top and forescreen.

My close friend suffering fr.above for last 8mths.firstly one doctor prescribed fucibet cream. But whenever stopped problem comes back. Second doctor prescribed tab. Aplaze-500 one each on first three days of the week and same way on second week. + tab. Onecan-400 every Tuesday for two weeks +tab. Xevor and every day for 15 days. And Betaderm-gm cream. But after completing course and stopping Betaderm cream same problem occurs. Second time he prescribed cap. Adoxy lb for 20 days+zocan-400 once in a week for three weeks +Xevor every day for 20 days and Betaderm cream even after completing the course and whenever stopping Betaderm problem comes again. Now he prescribed cap adoxy lb for 30 days and stopped Betaderm cream but problem is still there. Now he prescribed to add tab. Alminic I and said not to use any cream. But still my forescreen and top of the penis is heavily red and some fluids comes out of it. It is only when I apply Betaderm it completely Okays. No diabetes.