Take your pet to your veterinarian for treatment. Also, if this is the case, the cage and bedding should be thoroughly cleaned. This disease can manifest itself in varied ways causing skin lesions. This is a contagious disease between dogs and ferrets. Clinical signs include skin lesions to the feet, generalized hair loss, scaling and severe itching.
Treatment includes a thorough cleansing of the house and treatment with ivermectin.
The cause is unknown. It is suspected to be due to hormonal fluctuations, because the disease responds to changes in the photoperiod. Hair loss occurs in the fall and then regrows. Mast cell tumors are the most common skin tumors in ferrets and usually are benign. These appear as individual tumors that are slightly raised, flat, button-like masses.