Progestins are steroid hormones that are typically prescribed to postpone heat cycles or alleviate false pregnancies in female dogs and treat benign prostatic hypertrophy in male dogs. They may also be used for some types of skin problems or to modify aggressive behavior. Megestrol acetate and medroxyprogesterone are the most commonly used progestins in dogs. Potential side effects include increased thirst and appetite, behavioral changes, mammary gland enlargement, and an increased likelihood of developing diabetes mellitus, acromegaly (a hormonal disease that causes enlargement of the head), Cushing’s disease, uterine infection (pyometra), reproductive disorders, and some types of cancer.
I wrote in about my Corgi who we had just started on Atopica. Unfortunately is almost 30 days in and she’s so sick. She is so lethargic. She can sleep for 6 hours at a time, she has no interest in going on her walks anymore. Won’t eat and throws up foam. I’m taking her off it since there have been no positive results and lots of side effects. Now what to do? My vet offered to refer me to a dermo. but he’s already done scrapings and a biopsy. I can’t imagine what else they might do. I keep her sedated with Benadryl, but this is no life for a dog. Anyone have suggestions?