Of course, there are over the counter solutions for treating a penile yeast infection such as Monistat 7 and for some people these solutions work, but not for all men. Quite often you will witness an improvement in the infection for a finite period of time then it will return with a vengeance.
Penis yeast infections can be very stubborn and troublesome.
What happens is this:
The yeast becomes resistant to the anti fungal treatment you are using so it becomes much more difficult to get rid of permanently. That's why it's always advantageous...