did all this stsrt after she had her pups ? and what is the temp were you are ?
i had the same thing when i would go huntung and a frieands dog woulg get like that ,he said i looked just like his dog after 30 mins of hunting ,i would tahe a pack of suger and water an i would be fine .so we did the same thing with his dog evrey 30 mins and he naver had it again....