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.