Candida balanitis. For the infection?

I have suffer from balanitis .Doctor told me that is candida balanitis . its happen a month ago . But my penis is become red when its hard , its from more than 6 month ago . And now after using surfaz cream and some antibiotic which is suggest by my urologist , the infection is gone and then i go for a dermatologyst for the scars of infection so he give me desonide cream for use . after two week of use i do masterbate then the red spot again come now i go for a dermatologyst again he give me onabet sd lotion and fluconzole tablet and a tablet called dazit . can u plese told me how to cure this diease complitly . and is my penis head become red when its hard for the infection ?  my sugar level is 119 , i dont have any diabetic issue, im 25 year old .