Women’s Hormone Therapy Creams Pose Danger for Pets

Pet owners go to great lengths to provide a safe home for their furry loved ones, and now some will want to watch out for a newly identified  hazard: hormone-treatment creams used by women to tamp down the symptoms of menopause.

According to The New York Times, in a handful of cases reported by veterinarians, the creams and sprays that women apply are subsequently licked and rubbed against by dogs and cats. This leads to reactions that resemble those of a female pet in heat, such as bloody secretions and erratic behavior, along with hair loss in male pets.

What was initially confusing to the pets’ doctors was that the animals in many of the cases had recently been spayed or neutered. A doctor in Bradenton, Fla., made the connection after his wife was chatting with a patient’s owner and her use of hormonal cream was mentioned.

The number of pets reported to be suffering the ill effects of an owner’s hormone treatments is still relatively low. The Veterinary Information Network, an industry news service, has an initial collection of 20 such cases, although the number could still grow.

It’s not just beloved pets among those at risk for exposure to hormone creams, but people as well. The Food and Drug Administration published a warning last year that exposure to creams and sprays could provoke premature symptoms of puberty among young children, such as enlarged breasts and nipples.

The topically applied hormonal treatment surged in popularity after studies linked oral treatments to cancer and heart attacks. In 2009, doctors issued some 440,000 prescriptions for such creams.

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