Indometacin

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Indometacin (INN) or indomethacin (USAN and former BAN) is a non-steroidal anti-inflammatory drug commonly used to reduce fever, pain, stiffness, and swelling. It works by inhibiting the production of prostaglandins, molecules known to cause these symptoms. It is marketed under many trade names, including Indocin, Indocid, Indochron E-R, and Indocin-SR.

Indomethacin is a methylated indole derivative and a member of the arylalkanoic acid class of NSAIDs, which includes diclofenac.

Clinical indications for indometacin include:

Indometacin has also been used clinically to delay premature labor, reduce amniotic fluid in polyhydramnios, and to close patent ductus arteriosus.

Indomethacin is a potent drug with many serious side effects and should not be considered an analgesic for minor aches and pains or fever. The drug is more potent than aspirin, but is not a better analgesic. In mild to moderate pain a standard oral dose of indomethacin proved as effective as 600mg aspirin.

Indomethacin is a nonselective inhibitor of cyclooxygenase (COX) 1 and 2, enzymes that participate in prostaglandin synthesis from arachidonic acid. Prostaglandins are hormone-like molecules normally found in the body, where they have a wide variety of effects, some of which lead to pain, fever, and inflammation.

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