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Perinephritis is an infection of the surroundings of the kidney either right or left. It can be the result of extravasated infiltration of the bacteria out of the renal pelvis ( pyelonephritis ) or a result of another kidney infection.
Diagram showing the typical location of pain [8] Signs and symptoms of acute pyelonephritis generally develop rapidly over a few hours or a day. It can cause high fever, pain on passing urine , and abdominal pain that radiates along the flank towards the back.
However, upper central abdominal pain is the most common symptom; the pain may be dull, vague, burning, aching, gnawing, sore, or sharp. [13] Pain is usually located in the upper central portion of the abdomen, [14] but it may occur anywhere from the upper left portion of the abdomen around to the back.
Interstitial nephritis may present with a variety of signs and symptoms, many of these nonspecific. Fever is the most common, occurring in 30-50% of patients, particularly those with drug-induced interstitial nephritis. [2] Other general symptoms that occur with variable frequency include nausea, vomiting, fatigue, lack of appetite, and weight ...
Periodic fever syndromes are a set of disorders characterized by recurrent episodes of systemic and organ-specific inflammation.Unlike autoimmune disorders such as systemic lupus erythematosus, in which the disease is caused by abnormalities of the adaptive immune system, people with autoinflammatory diseases do not produce autoantibodies or antigen-specific T or B cells.
Periodic fever, aphthous stomatitis, pharyngitis and adenitis syndrome is a medical condition, typically occurring in young children, in which high fever occurs periodically at intervals of about 3–5 weeks, frequently accompanied by aphthous-like ulcers, pharyngitis and cervical adenitis (cervical lymphadenopathy). The syndrome was described ...
Peritonitis is inflammation of the localized or generalized peritoneum, the lining of the inner wall of the abdomen and cover of the abdominal organs. [2] Symptoms may include severe pain, swelling of the abdomen, fever, or weight loss. [2] [3] One part or the entire abdomen may be tender. [1]
Blumberg's sign (also referred to as rebound tenderness or Shchetkin–Blumberg's sign) is a clinical sign in which there is pain upon removal of pressure rather than application of pressure to the abdomen. (The latter is referred to simply as abdominal tenderness.) It is indicative of peritonitis.