my 21 yr old daughter is experiencing headaches , dizziness , and racing heart. She is on Cipro 500 mg and metronidazol for a lower gi problem .. diahrhea and cramping. Stool came back normal as did blood work. She is also taking a probiotic for her tummy and has been prescribed sumatriptan 100 mg for her headaches. She is on camila .35 mg birth control. Which drug could be causing her reaction