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(Generic versions may still be available.)
Sansert® (methysergide maleate) has been shown, in vitro and in vivo, to inhibit or block the effects of serotonin, a substance which may be involved in the mechanism of vascular headaches. Serotonin has been variously described as a central neurohumoral agent or chemical mediator, as a "headache substance" acting directly or indirectly to lower pain threshold (others in this category include tyramine; polypeptides, such as bradykinin; histamine; and acetylcholine), as an intrinsic "motor hormone" of the gastrointestinal tract, and as a "hormone" involved in connective tissue reparative processes. Suggestions have been made by investigators as to the mechanism whereby methysergide produces its clinical effects, but this has not been finally established.
Last reviewed on RxList: 1/14/2005
This monograph has been modified to include the generic and brand name in many instances.
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