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What causes constipation and fever? 9 possible conditions

See a list of possible causes in order from the most common to the least.


Crohn’s Disease

Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...

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Anal/Rectal Abscess

An anal or rectal abscess occurs when a cavity in the anus fills with pus. The abscess can cause pain, fatigue, rectal discharge, and fever. If it does not heal properly, it can cause great pain and require surgery.

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Diverticulitis occurs when the bulging sacs that usually appear in the lining of the large intestine get infected or inflamed. This usually causes abdominal tenderness on the lower left side, nausea, and diarrhea.

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This condition is considered a medical emergency. Urgent care may be required.

Appendicitis is inflammation of the appendix, which can be fatal if left untreated. The telltale sign is pain that usually starts as mild cramping, especially on the right side, and becomes more severe over time.

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Cystic Fibrosis

Cystic fibrosis is a recessive genetic disorder that affects cells that produce mucous, sweat, and digestive juices. It may cause severe problems in the lungs, pancreas, liver, and intestine

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A hernia occurs when an organ pushes through the muscle or tissue that holds it in place. Hernias are most common in the abdomen. However, they can also appear in the upper thigh, belly button, and groin regions.

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Wilms' Tumor

Wilms' tumor is the most common type of kidney cancer in children. It's typically diagnosed around three years of age. Children might display constipation, abdominal pain, fever, and loss of appetite.

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Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system. It is most likely to be contracted by children under five years old.

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All About Autonomic Dysrelexia (or Hyperreflexia)

Autonomic dysreflexia is a condition in which the autonomic (involuntary) nervous system overreacts to a stimulus, causing a spike in blood pressure, racing heart, and changes in other autonomic functions.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.