A common cause of stomach pain may be appendicitis which is the swelling of the appendix that leads to discomfort. It could be shown in an ultrasound, but maybe not. Visit a doctor to be examined in detail and thereby the one who will advise you on the right treatment which is mainly prescription drugs or surgery to remove the appendicitis. Look for symptoms like worsening pain, fever, or vomiting, which could indicate a more serious issue. 

Esoprazole need to take before food.

Antacid need to take after food.

Rebamipide need to take after food.

As you have H pylori gastritis, therefore you need to take HP kit for at least 15 days.

If our stomach isn't functioning properly, it can cause bloating, gas, and digestive problems like constipation or diarrhea. These issues might arise from eating too quickly, not drinking enough water, or stress. To improve digestion, try eating slowly, drinking plenty of water, and consuming more fiber-rich foods like fruits and vegetables. 

Albe­ndazole is a common treatment, ye­t sometimes it falls short. If you still see­ worms after taking it, don't be afraid. Doctors might suggest a different me­dication or extend the tre­atment duration.