hi i have been in india 5 weeks ago , on my return i took a short course of anti biotics, but over the last few weeks i have again had a strange stomach, i still have some nflox tz short course, and some ornof tabs10 of each, should i take either one, or do you think my antibiotics did not work because it was to short a course only 5 days, i am 50 years old, and weigh 90 kg, am 5ft 3 ins,,and am pretty healthy except for constant bleeding due to a hormonal inbalance