Eosinophilic gastroenteritis is an eosinophilic infiltrate in the stomach, small intestine, colon, and rectum causing clinical symptoms. Knowing the process of formation and signs of the disease will help improve the effectiveness of treatment.

The diagnosis of eosinophilic gastroenteritis is confirmed by biopsy or collection of eosinophilic ascites in the absence of other pathogens, including intestinal parasites. Eosinophilic esophagitis should also be differentially diagnosed and discussed.

Leukopenia can be due to inherited autoimmune diseases, or due to immune system deficiency, certain diseases, or the use of certain medications that cause side effects.

White blood cells travel through the bloodstream and destroy viruses, bacteria, and other foreign substances in the human body that can cause disease or infection. White blood cells form a defense barrier to protect the body from foreign substances.

Most cases of infectious mononucleosis are not serious and are easy to treat. But if the disease is not treated properly, complications can become serious.

Eosinophilic esophagitis is an emerging disease and was once considered a rare condition but is now becoming more common, due to abnormal infiltration of eosinophils into the esophageal mucosa, affecting the esophageal structural function - can progress to reduce the diameter and narrow the esophagus. Careful evaluation of patients with dysphagia is needed to detect the disease and start treatment early for the patient.

Eosinophilic esophagitis (EOS) is an inflammatory condition in which the esophageal wall is infiltrated with large numbers of eosinophils, a condition first recognized in 1978.