My guinea pig is very sick she's not eating or drinking she was out in the rain for two days while we were away but it was sunny the day before we left . She can't walk and she wasn't going to the toilet for 3 days I checked her today and she uirened and soiled herself without moving . She's lying on her side very weak and skinny she's twitching and opening an closing her mouth . What's wrong with her . Please help .
