After treating my German Shepherd mix with Hartz Advanced Care 3 in 1 Flea & Tick Drops she started trembling, and no energy about 2 days after the treatment.  We’ve had vomiting and a sleepless night and now another symptom – she will not/ can not? have a bowel movement.  With lots of gentle encourgement I can get her outside to urinate but she will not even try to have a bowel movement.  Now she’s getting very tender around the abdomen.  I’m having some difficulty navigating around the website to read the symptoms that others have listed.  She also has some labored breathing but that seems to come and go.  She’s 11 years old and seemed to be in very good health prior to the treatment.

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