My 2 year daughter vomited in the morning and night ( 2 episodes in a day)  and had a low grade fever (98.7) after medication and injection vomit stopped but loose motion start same day ( 3times) fever was still 98.7 to 99.4 on next day with 4 episodes of loosemiton. But in the evening fever raised 101.3...baby is active and eat a little bit m giving meftal p fir the fever but want to know th reason of all this why fever rises after 2 days