Hi thanks for contacting HCM... Here you both have eaten outside foods ... So yes it seems you have acute gastroenteritis secondary to food toxin.. It might be bacterial or parasitic infection... Empirically ciprofloxacin 500 mg tablet BD can be given for five days ... Drink lots of fluid to maintain hydration.... Avoid excess spicy foods .... Non veg and heavy meal avoided ... Small meal taken with frequent interval... Rabez DSR also can be given for few days ... Excess tea, coffe avoided .... If still no improvement investigation needed with .... -Stool examination -USG -CBC If stool show ameba egg than metronidazole and if other parasitic egg than albendazole needed .. Take care Advise : Consult physician and discuss your case along with examination......