Receiving nutrition through the mouth. 

A condition in which contents from the stomach flow back up into the esophagus, often causing a painful sensation behind the breast bone called “heartburn.” 

Compounds containing nitrogen that form the building blocks of proteins. A protein is composed of chains of many amino acids. Some amino acids are considered nutritionally essential and must be suppli [..]

Having too few red blood cells. 

Excessive loss of body fluid through frequent urinating, sweating, chronic diarrhea and/or vomiting. 

Difficulty swallowing. 

Taking nutrition into the body through the digestive system either orally or via a tube. 

Specialized white blood cells produced in increased numbers in many allergic conditions. 

Condition in which the lining of the large intestine (colon) becomes filled with eosinophils, often causing nausea, vomiting, and diarrhea. 

Condition in which the wall of the esophagus (the muscular tube through which food is sent from the mouth to the stomach) is infiltrated by eosinophils. Symptoms can include abdominal pain, nausea, vo [..]