PS: There is also a veterinary dermatologist in your area who may be able to help you pin down her problem more quickly:
Ewan Fergusson BVM&S DVD MRCVS - RCVS Diplomate in Veterinary Dermatology
Wey Referrals, 125-129 Chertsey Road, Woking, Surrey GU21 5BP
Tel: 01483 729194 | Fax: 01483 740298
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I am sorry to hear that your cat is so uncomfortable--I worry with the spreading lesions that her problem is not just feline acne, but potentially something infectious (ringworm, or feline demodex), auto-immune (feline pemphigus), or allergic (food allergy). I recommend having your veterinarian perform skin scrapings for parasites and a fungal culture for ringworm. If no infectious organisms are found, then consider a hypoallergenic diet trial for possible food allergy (ie.duck/pea prescription diet), +/- skin biopsies. If she develops crusts on her nose and ears, then an auto-immune disease would be more likely and skin biopsies should be performed sooner rather than later. Unfortunately, a quick solution, injection, or cream are unlikely to be the answer here, further diagnostics are needed to get to the underlying cause of her problem, and find out what treatment is needed.
Good luck,
Kimberly Coyner, DVM DACVD
Dermatology Clinic for Animals
www.dermvetvegas.com