Hi My Daughter Is 5 And Half Months Old...she Started

Hi my daughter is 5 and half months old...she started loose stools since one week and stool is very watery ...doc has suggested bactrium first but there was no improvement then she changed medication to taxim syrup 2.5 ml daily twice but after one day she got rashes all over the body and even after 2 days there was no improvement...then another doctor prescribed these medicines RCIFAX SUSPENSION, NITAZOXANIDE,ENTEROGERMIA,MIKANCIN INJ,zimdot 90...is if safe to give all medicines to my dauhter and she had fever also