Welcome to HCM.Stomach cramps
indicates some infection in the intestine.Most likely after by food infection.
Take care for hydration.Drink more water,ors formula,buttermilk,lemon water with salt and sugar.
Take light,liq. diet.
with dicyclomin will reduce your cramps.
Oral antibiotic like oflox,levoflox will be helpful.
Consult your physician for better medical management.