Q: Are temporary hormones for cats safe?

June 28, 2010 | By Mary T. | 1 answer | Expired: 2038 days ago

Mary T.

I don’t want to spay my cat, Elizabeth, because she will make beautiful kittens someday. But she’s almost constantly in “heat” and it makes me (and the toms in the neighborhood) crazy. What do you think of temporary hormone treatment?

Chosen Answer

Estrus-suppression hormones for cats, such as the synthetic progesterone-like drug Megestrol might have undesirable side effects.

Aside from the fact that it is not approved for use with cats in the United States, Megestrol acetate must be given continuously. While undergoing hormonal abnormalities, cats receiving Megestrol acetate exhibit increased thirst and urination — not to mention pronounced personality changes. Their risk of uterine, mammary, and liver diseases is measurably increased.

Bottom line: By taking temporary hormones for cats, Elizabeth might not live to have those lovely kittens.

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