Unless he's absolutely positively certain that he's got something fungal (tinea pedis) going on down there he should CEASE using the fungal spray.
I did the same "dadgum" thing back in the '80's, and wound-up creating one heckuva problem. Those chemicals can irritate the heck out of your sensitive skin (scrotal and inside the upper thigh) - leaving pathways open to bacteria and even more irritation and problems.
Bacteria and fungae engage in open chemical warfare, in nature. When we discourage one, we often encourage the other. Once the skin has been compromised, look out Charlie Brown !!!
I (to this day) use skin moisturizers DAILY to promote the healthy status of my skin in those areas.
Find out (from a doctor if convenient) what if any infections might be present. Then, whatever course of ointment therapy that will yield the best results might be applied.
Either way STOP irritating the skin with that fungal spray (unless a specific fungoid infection is confirmed)...
Like my "user name" says...
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Am I here, yet ???
PS ~ I don't often say this, but I think the doctor you consulted "don't know diddly-squat" - see somebody that actually considers knowledge before they voice an opinion !!! My old doctor raised heck with me and put me on a rather odd and expensive blend of "stuff" that did the trick (the details of the prescription escape me - but it was VERY specific and worked VERY well). I'm shocked that his MD would ignore the deep dried cracks on his inner thighs... and especially with him spraying that fungus stuff DAILY !!!
[This message has been edited by Ben There (edited 10-06-2003).]