What does estrogen do to a dog? Chronic exposure to estrogen in low doses will cause more visible signs in dogs including feminization of male dogs (enlarged mammary glands and atrophied genitals), markedly swollen genitals in female dogs, and hair loss in both genders.
What are the side effects of estrogen use in animals? Because of the potential toxic side-effects of estrogen use, it is always important to use the lowest effective dose for the shortest period of time. Other side-effects include signs of estrus, lethargy, diarrhea, vomiting, vaginal discharge, pyometra, polydipsia, polyuria, and feminization of male dogs.
Is estrogen safe for dogs? Due to the the risk of stimulating the development of uterine diseases and the potential for inducing aplastic anemia, estrogen use in dogs is best avoided where possible.
Does estrogen make dogs tired? At high doses, estradiol can cause gastrointestinal issues. Symptoms include vomiting, diarrhea and appetite loss. Other side effects include excessive drinking and urination, and lethargy.