16yo spayed female yowling (for sex?)

kelea

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Hi all,

My Amanda is 16. She had 9 kittens when she was about a year old, and then she was spayed. She was a stray who we brought in, and from the minute she first laid on the carpet, she's been a cat who loves to be loved. 

My other 16 yo died in October 2013. About 2 weeks later, Amanda started yowling. A lot. She might be happily asleep in her bed, and then 2 minutes later outside yowling. We thought she might be mourning. The doctor gave her, over the course of a few months, vitamin B12 shots, which seemed to help after a few days. But in all these months, I'm really not seeing any rhyme nor reason to the yowling. She won't yowl for weeks at a time, and then will start again for days or a week, and then stop.

Last week, we saw a stray cat mating with her. I was surprised she allowed it, but she seemed to be enjoying it. A couple of days later, I could hear them together behind the garage, but the tom quickly left when he saw me. Then I saw Amanda spray a fence post on our (rural) property.

It almost seems like she's calling to the stray. She seems to sit facing the direction from the woods where he comes from.

I'm stumped and thought I'd see if anyone else has had this kind of experience. Do old, spayed cats call for sex, as if they're in heat?

She'll stop if I call her and hold and pet her for a while, but often she starts again once I set her down. 

The doctor said she was healthy when he examined her. He did not run any tests. 

Many thanks in advance.
 

Willowy

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Howling can happen for a lot of reasons, including cognitive dysfunction (dementia) or hyperthyroid.

But seeming like she's in heat is different. It could be an endocrine disorder (the thyroid is part of the endocrine system, but I don't know if it's linked to sexual behavior?). Has she been exposed to anyone who takes topically-applied hormones? (like for menopause or something like that?) There have been cases of cats getting hormone imbalances because someone who takes topical hormones was petting them or holding them.

I'd have the vet run tests, full blood work but specifically thyroid and adrenals.
 
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kelea

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Thanks Willowy, I appreciate your thoughts. That's interesting about hormones being spread to pets. The doctor did mention dementia, but that's so hard to determine. I'll take her in for some further tests. Thanks again.
 

furmonster mom

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At her age, she really should have a full blood panel done anyway, to check liver and kidney levels as well as e-lytes.
 
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