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Other symptoms are less common among people with COVID-19. Some people experience gastrointestinal symptoms such as loss of appetite , diarrhea , nausea or vomiting . [ 1 ] [ 65 ] A June 2020 systematic review reported a 8–12% prevalence of diarrhea, and 3–10% for nausea.
A coronavirus named SARS-CoV-2 causes COVID-19, while an influenza viruses is the source of flu. ... Digestive long COVID symptoms. Constipation. Diarrhea. Stomach pain. Other long COVID symptoms.
Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.
Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine. [8] Symptoms may include diarrhea, vomiting, and abdominal pain. [1] Fever, lack of energy, and dehydration may also occur. [2] [3] This typically lasts less than two weeks. [8]
With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time. However, in some cases, a person might not even show symptoms of having the ...
The most common form of dysentery is bacillary dysentery, which is typically a mild sickness, causing symptoms normally consisting of mild abdominal pains and frequent passage of loose stools or diarrhea. Symptoms normally present themselves after 1–3 days, and are usually no longer present after a week.
COVID-19 often shares a lot of the same symptoms as influenza, including stuffy or runny nose, sore throat, cough, muscle aches, fatigue and fever or chills. But unlike the flu, COVID symptoms can ...
Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena, with a black appearance, typically originating from upper gastrointestinal bleeding; or to hematochezia, with a red color, typically originating from lower gastrointestinal bleeding. [6]
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