Blood in stool

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  Lymphadenopathy

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  Pyrexia

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  Vomiting

  Vomiting (known medically as emesis and informally as throwing up and a number of other terms) is the forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting may result from many causes, ranging from gastritis or poisoning to brain tumors, or elevated...
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  Diarrhea

  In medicine, diarrhea (from the Greek, "diarrhoia" meaning "a flowing through"), also spelled diarrhoea (see spelling differences), is the condition of having frequent loose or liquid bowel movements. Acute diarrhea is a common cause of death in developing countries and the second most common cause...
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  Depression

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  Weight loss

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  Abdominal pain

  Abdominal pain (or stomach ache) can be one of the symptoms associated with transient disorders or serious disease. Making a definitive diagnosis of the cause of abdominal pain can be difficult, because many diseases can result in this symptom. Abdominal pain is a common problem. Most frequently...

• Malaise

  Malaise (pronounced /məˈleɪz/, mal-aze) is a feeling of general discomfort or uneasiness, an "out of sorts" feeling, often the first indication of an infection or other disease. Malaise is often defined in medicinal research as a "general feeling of being unwell". The term is also often used...

• Lethargy

• Anorexia

  Anorexia (deriving from the Greek "α(ν)-" (a(n)-, a prefix that denotes absence) + "όρεξη" (orexe) = appetite) is the decreased sensation of appetite. While the term in non-scientific publications is often used interchangeably with anorexia nervosa, many possible causes exist for a decreased...