Sounds like your baby is adrenal hair loss and itching is two of the main symptoms give him 1 mg of melatonin found in drug stores crush it and mix it with ferretvite or ferretone stop spraying him with chemicals as it will not help , Get him to a vet ASAP prostate problems are the next thing he will be suffering from and he will die if you wait to long if your in Pa here is a ferret vet expert #Dr. Goodman 610-494-2811 Or Dr Gold In Maryland he too is a ferret expert 443-512-8338Also ask any vet if they do adrenal implant of melatonin and lupron if not take him else where they know nothing of the ferret anatomy and it would be unwise to let him/her see your baby, Go also to groups on yahoo and type in ferret and there should be several ferret groups you can join ferret whisperer in one natural ferret2 is another adrenal ferret and natural ferret plus a few more
Good Luck and keep me posted you can email me anytime about him or any questions
Good Luck and keep me posted you can email me anytime about him or any questions