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Much like in teenage humans, acne is a benign disorder that typically only lasts a while. It occurs when the hair follicles become irritated. Dogs with short coats such as Boxers, Bulldogs, and Rottweilers are the breeds most likely to have this condition. Dogs may also experience intense pain and itching.
Acne tends to come on at puberty, from five to eight months of age. Typically it is gone by the time the dog reaches one year of age.
Both dogs and cats are susceptible to this condition. If you would like to learn more about acne affects cats, please visit this page in the PetMD health library.
Some causes are:
Your veterinarian will take note of the dog's breed and will want to know the age when the lesions began to appear. Some other diseases look like acne, and your veterinarian will want to rule them out, including:
Dogs with acne are healthy except for the lesions.
The term for a disease of the skin caused by certain mites
Not being able to cause harm; the opposite of malignant.