Hi thanks for contacting HCM. Your husband is having acute gastroenteritis infection like condition... Here you have to focus on maintaining hydration.... Drink lots of fluids.... Drink more water with ORS . . High fatty and fried food restricted.... Small meal with frequent interval taken... Get your stool examination... If showing pus cell antibiotic needed.... If shows parasites like ameba for which metronidazole and for hookworm or round worm albendazole needed.... USG abdominal done for if any organic cause present. ... Probiotic tablet can be taken. ... If still not resolving stool culture and widal test done .. Take care ...