I think that his weight loss could most definitely have been a result of the dental issues/infection. You aren't going to want to eat if it hurts.

Poor baby! I'm so glad you took him in to have the work done.
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The fullness of our heart is expressed in our eyes, in our touch, in what we write, in what we say, in the way we walk, the way we receive, the way we need. -Mother Teresa (
RIP Gizmo 3/9/07-8/18/12)