I asked my Vet for a Heartworm preventive for my 2 year old Australian Shepherd, Sage.  They recommended Revolution. It was applied on 3/15/00.  On 3/20/00 Sage developed a cough, but she was otherwise fine. She had had a bath at the Vet on 3/15/00 also, so I decided to watch her for further symptoms. On 3/23/00 she was fine until late afternoon when she became quiet and didn't want to play. By 7pm that night, she had trouble opening her left eye and whimpered when she jumped down from the couch or bed.  In the past, Sage always had a tendency to bruise easily. She had sensitive skin and worry an area until it bruised. She had no trouble with her blood clotting and had been previously spayed. She now had bruising on her body.  When I took her to the Vet, he asked if she had been in rat poison.  I informed him that she was an inside dog and only went out to play with the kids and to use the bathroom.  My neighbors have pets and do not put out poisons.  They also asked if she had had a blow to the head because there was blood in the whites of her eyes that was not there yesterday. I stated that she was not hit in the head.  I asked if it could be the Revolution and was informed that it could not be.  I told my vet that was the only thing that Sage had been exposed to. He did a CBC and her platelets were 87 and WBC count was 27,000. her Hct was 37.  He treated her for infection and rat poisoning and sent us home. Within 3 hours she was falling over.  I rushed her back to the Vet and he kept her until 5pm that afternoon.  I brought her home after they said she was doing better. At 6pm she was again falling over and I called my Vet back and was informed to bring her back the next day.  By 11pm, she was bleeding from her nose and had vomited with streaks of bright red blood.   My husband and I drove her to an ER clinic in Savannah, GA and was told that it was either a tick
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