hi i was on amoxicillian for 7days for a tooth abcess on the monday i had my root canal done that same day my menstrual should of begain ..on the tuesday i had stomach pains and lower back ache with no menstrul thw stomach pains went but i still had the back ache i eventually got my menstrul on 20/7/11 but i still have mild pain in my lower back and side ...what is causing this
Your backache and menstrual cycle is not related to amoxicillin intake. Mild alterations in cycle is acceptable. You may also visit your gynecologist.