Hi....my Baby Boy 5/12 Month Old...12 Days Before Got Fever

Hi....my baby boy 5/12 month old...12 days before got fever and loose motions.dc prescribed cefspan antibiotic and lactose free formula for 1 week....after the course he was ok for 2 days then again loose motios started...this time i m giving dependal m 1/2 spoon 3 times a day...its second day...now tha stool is not as such watery but still soft and 4 to 5 times a day....is dependal safe on infants under 1 year...i m giving him banana but mo other solids...any suggestions?