Thank you for your question about Reese.
Why did you take his temperature? Was he acting sick?
What kind of thermometer did you use?
Is Reese spayed?
DId you take her rectal temperature? If she is acting normal, and not pregnant (99 is a normal rectal temp for a dog about to have puppies!), then I suspect a problem with your thermometer. Unless you have an ear thermometer made for dogs, and know how to use it (which is not that easy; dogs have much longer ear canals than humans and the thermometer has to "see" the ear drum.
So if you don't have a dog ear thermometer, you have to hold a rectal thermometer inside the anus about 1/2 to 1 once, for about 30 seconds.
How long did you hold it in, and how far?
until it beeped
Why did you take her temp; is she sick?
sick look in eye shaking like cold
If it was not in far enough, it would beep but give you a lower than normal reading. That happens to me at the office every day with wiggly puppies that won't let me hold the thermometer in far enough the whole time, and I get falsely low temps.
I would try it again, holding it in a little farther. If you were just inside the anus, you did not get an accurate reading. If anything, with the symptoms you describe, I would expect a higher than normal reading.
Low temps of 99 usually mean a dog is about to have puppies (not your problem), is in kidney failure, or is severely dehyrated for some other reason than kidney disease.
I don't think any of these are Reese's problem.
If she is eating, drinking, and playful, she may just have an allergy, or a mild "cold".
is there anyother things i should look for
Thick discharge from the nose, bloody discharge from the nose, not eating would be reasons to call Reese's veterinarian.
Vomiting or diarrhea that does not clear up on its on in a day or so.
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Good luck with Reese, and hope I was helpful