MY SHELTIE HAS BEEN VOMITING AND DIAREAH FOR 2 DAYS.WE THINK SHE HAS EATEN CHOCOLATE.SHE HAS BEFOR ON ACCIDENT BUT SHE IS USUALLY OVER IT IN 24 HOURS.HER NOSE IS VERY DRY.IS VERY DEHYDRATED.WE CAN NOT GET TO VET AT THIS MOMENT WHAT CAN WE DO FOR HER UNTIL WE GET HER TO A VET?