Gastrointestinal diseases and symptoms are the most common reason for patients to see a doctor and medical staff.
During fasting, the gastrointestinal tract is more affected than other parts of the body.
Based on the experiences that patients have during fasting, symptoms of bloating, abdominal pain and the fluctuation of their moods are much better, but in diseases of the gastrointestinal tract, such as gastric ulcers and gastrointestinal cancers, it is necessary to judge and make the necessary recommendations based on the person's condition and severity of the disease.

Gastrointestinal and hepatic changes of fasting in healthy individuals

Fasting has positive effects on relieving the symptoms of a fasting person by reducing the stress of depression and anxiety.
The only thing that may have a negative effect during fasting is constipation.
Prolonged fasting causes the gastrointestinal tract to rest so that bowel movements occur less quickly and bile is emptied from the gallbladder less frequently.

Fasting and gastrointestinal cancers

The incidence of cancer in Muslims is lower than others.
Decreased food intake, followed by ketosis, weakens tumor cells.
Calorie restriction is an effective way to prevent tumors
Hunger sensitizes tumor cells and increases the outcome and effects of radiotherapy.

Fasting and peptic ulcer

In some studies, the response to treatment and the rate of wound complications were not different in fasting individuals from those in non-fasting individuals.
It seems that patients with duodenal ulcers can fast during Ramadan without worrying about the side effects of fasting.

Reflux

Sometimes long-term starvation exacerbates reflux, although reduced food intake alleviates the symptoms of reflux.

Inflammatory bowel disease

In autoimmune diseases, fasting is generally safe.
Fasting is not allowed in patients with inflammatory bowel disease who suffer from chronic and prolonged diarrhea and weight loss and are not controlled by drugs.

Irritable Bowel Syndrome

Fasting can reduce stress, caffeine and cigarette intake during Ramadan. Symptoms of patients also become better .
Excessive intake of sugars and starches during Iftar and Sahar, aggravates the digestive symptoms.

Liver disease

Fasting caused changes in liver enzymes and bilirubin. Although these changes were within the normal range, in patients with chronic hepatitis in the absence of cirrhosis, these patients are generally able to fast, and taking oral hepatitis viral medications is not an obstacle for fasting.

Acute hepatitis with or without liver failure

If the patient suffers from other diseases at the same time, especially chronic liver disease, the disease is more severe, so fasting is prohibited in these patients.

Non-alcoholic fatty liver

No effective treatment has yet been found for this disease, and doctors are using a combination of drugs and taking its risk factors into account.
Studies have shown that regular fasting from dawn to iftar can be a cost-effective way to prevent non-alcoholic fatty liver disease, although more studies are needed to confirm this.

Chronic liver disease and liver cirrhosis

Compensated cirrhosis patients can fast with good nutritional and medical care, but fasting should not be prohibited in uncompensated cirrhosis.

Patients receiving liver transplantation

. Fasting in patients receiving transplants is associated with a high risk of complications.

Gallbladder diseases

When gallstones are asymptomatic and they have not created a sign for years. Fasting is unobstructed, but fasting is not recommended on stones that have a sign.

Conclusion

The diet of starvation and weight loss during Ramadan will improve many diseases as long as they follow the principles of proper nutrition at dawn and iftar.