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Originally Posted by tinav  she has been on proin for about 2 months now and it is working but I am not very informed about the drug or how it happens that the muscels become weak. My Yorkie is 5 1/2 and she is has weak muscles already?
tina |
i'm not sure how or why the muscles get weak. I've seen a lot of dogs on this and i've not heard any bad side effects from using the drug long term. sorry i can't be more help.