Welcome to HCM.
Change in bowel habits indicates some disturbances in your digestion pattern.
It usually occurs after stress,anxiety,diet and infection.
H.pylori is positive in your case,it usually disturb the
gut flora.
Take more simple and high fiber diet.
Drink more water and other liquids like lemon water,coconut water,buttermilk,fruit juices,ors formula.
Medications including H2-blockers and
proton pump inhibitors, to reduce the amount of stomach acid.
proper antibiotic like
ofloxacin,
ornidazole to subside the infection.
Lactic acid bacillus and enzyme preparations will be helpful.
Start medication under guidance of physician.