the problem seems to be infection rather than side effect of the tabs you are taking. such symtoms are common with infection of bowels.
you can try -tab. metron 200mg +tab norflox200mg Thrice aday along with digestive tonic like Vitazyme 2 sp. twice a dayafter food.
-take easy to digest food with plenty of fresh vegs.,fruits &salad.
-drink boiled water 10-12 glasses a day.
-curd milk with a pinch of salt &asophoitida (Hinga)may releave you of the bloating
you should start getting releaf in2 days . pl. continue the T/t at least for 5 days.
If no releaf you need Consultation,check up &investigations(stool exam,) & advice thereafter.