"Nov. 9, 2012 -- If you're allergic to pollen, brace yourself.
"By the year 2040, we will get about 1.5 to two times the amount of pollen that we have now," says Leonard Bielory, MD. Bielory is professor of environmental prediction at "...
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Cyproheptadine (cyproheptadine hydrochloride) is a serotonin and histamine antagonist with anticholinergic and sedative effects. Antiserotonin and antihistamine drugs appear to compete with serotonin and histamine, respectively, for receptor sites.
Pharmacokinetics and Metabolism
After a single 4 mg oral dose of 14C-labelled cyproheptadine (cyproheptadine hydrochloride) HCl in normal subjects, given as tablets 2% to 20% of the radioactivity was excreted in the stools. Only about 34% of the stool radioactivity was unchanged drug, corresponding to less than 5.7% of the dose. At least 40% of the administered radioactivity was excreted in the urine. No detectable amounts of unchanged drug were present in the urine of patients on chronic 12-20 mg daily doses. The principal metabolite found in human urine has been identified as a quaternary ammonium glucuronide conjugate of cyproheptadine (cyproheptadine hydrochloride) . Elimination is diminished in renal insufficiency.
Last reviewed on RxList: 4/3/2009
This monograph has been modified to include the generic and brand name in many instances.
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