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Clavamox affects cat appetite?
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Forum Posts: 34
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4 July 2017
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5 August 2017 - 1:22 pm
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Hi everyone,

We were told by the radiation oncologist to start Clavamox for our Maceo, who is about halfway through his pre-operative radiation treatment. 

As soon as we started the Clavamox, we noticed a sharp decline in appetite. I finally Googled it this morning and found it can be a common side effect of that medication.

Has anyone had this experience for cats? If so, did you switch to a different antibiotic? Btw, he doesn't have an infection; it's just "preventive" which makes me pretty skeptical but we are doing as the doctor says. 

Keeping his calories up is extremely important, since he's a cancer patient. 

Would appreciate any advice and experiences on this one! Thank you so very much!

Mesa, AZ
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5 August 2017 - 4:45 pm
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Keep giving the Clavamox, but don't give it until he has eaten.  I have 5 cats so have been through this a few times with this anitbiotic.  I always make sure they eat first, then dose with the med.  It should help keep kitty from getting an upset tummy from it.  Hope this helps.

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Forum Posts: 34
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12 August 2017 - 11:18 am
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Thanks everyone. Just to wrap this up with a conclusion -- we asked the radiation oncologist and he said it wasn't necessary OR we could switch to a different drug if necessary. In the end, we just stopped the Clavamox and did not add any extra drugs. His appetite improved after about a day.


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12 August 2017 - 11:31 am
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OH GOOD!!!  Glad to hear Maceo is feeling better!  I've good to know Clavamox .ay have been the culprit.

We're cheering for you Maceo!


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12 August 2017 - 3:03 pm
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Thanks for sharing the answer with everypawdy! Hoppy that Maceo's back in a good place.

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Forum Posts: 34
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4 July 2017
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12 August 2017 - 4:01 pm
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Hi all,

one more note on this in case anyone else encounters it.

The doc said that if it is the Clavamox causing inappetence, then regular appetite should return in about a few to 6 hours. Apparently that medication can cause nausea, which causes inappetence. 

In our case, it took about a full day to recover, but it's good to know the typical timeline. 

Im still glad we stopped it -- it's really not worth risking any appetite suppressants when we're dealing with a cancer kitty! They need all their weight. 

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