Canadian Medical Guide > Chemicals and Drugs > Heterocyclic Compounds > Heterocyclic Compounds, 1-Ring > Imidazoles > Clonidine Terms and Definitions

Clonidine

Medical Definition:	An alpha-2 adrenergic agonist that crosses the blood-brain barrier. Clonidine acts centrally by reducing sympathetic tone, resulting in a fall in diastolic and systolic blood pressure and a reduction in heart rate. It also acts peripherally, and this peripheral activity may be responsible for the transient increase in blood pressure seen during rapid intravenous administration. (From Martindale, the Extra Pharmacopoeia, 30th ed, p350)
Also Called:	ST-155,Catapres,Chlophazolin,Clonidine Dihydrochloride,Clonidine Hydrochloride,Clonidine Monohydrobromide,Clonidine Monohydrochloride,Dixarit,Gemiton,Hemiton,Isoglaucon,Klofelin,M-5041T
CAS Type 1 Name:	CAS Number:	4205-90-7
Previously Indexed:	Antihypertensive Agents (1966-1971),Imidazoles (1966-1971)

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