Source:http://linkedlifedata.com/resource/umls/id/C0031849
MSH: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity.,CSP: cholinergic alkaloid with anticholinesterase activity used topically to produce pupillary constriction and decrease of intraocular pressure in glaucoma and parenterally to reverse the CNS effects produced by overdosage of anticholinergic drugs.