الفهرس 
Review of I iteraturOnly 14 pages are availabe for public view
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Abstract
Most operations cause a fever lasting one or two days, because of the stress of the operation and mopping up of blood and dead tissues by white blood cells.
It is very important to ask about the type of operation, type of anaesthesia, length of operation and how much trauma there had been.
Starting from the third day postoperatively and later a hunt for infection has to be made.
Numerous infectious and non- infectious conditions can cause postoperative fever.
The most common sources of infections from the surgical point of view are: the respiratory system (initially may be secondary to aspiration), wound infections (mostly occurring during the first week postoperatively), intra-abdominal abscess (usually related to open viscus operations), deep venous thrombosis (usually start after 5-7 days), urinary tract infections (Usually related to instrumentation or indwelling Foley’s catheter and occurs after 2-3 days), and nasogastric tube fever.
Less common causes of postoperative fever are : transfusion reaction (immediately seen), malignant hyperthermia (Starts intraoperatively and is generally secondary to anesthetic drugs), thyroid storm, postoperative parotitis, postoperative cholecystitis, drug fever (usually seen during the first days with server allergic skin reaction). However fever in the first 72 hours after surgical operations is common and nonspecific.
If a febrile patient does not show any other signs or symptoms of infection, it is safe to start immediately routine laboratory investigations and imaging studies as well as therapeutic antibodies.