Country: Australia
Language: English
Source: Department of Health (Therapeutic Goods Administration)
Clonidine hydrochloride
Boehringer Ingelheim Pty Ltd
Medicine Registered
PI0011-05 1 CATAPRES ® 150 TABLETS CATAPRES ® AMPOULES NAME OF THE MEDICINE Active ingredient: clonidine hydrochloride Chemical name: 2,6-dichloro-N-2-imidazolidinylidene-benzenamine hydrochloride Molecular formula: C 9 H 9 N 3 Cl 2 .HCl Molecular weight: 266.56 CAS number: 4205-91-8 Laboratory designation: ST 155 Structural formula: DESCRIPTION Clonidine hydrochloride is a white or almost white, crystalline powder. It is soluble in ethanol, slightly soluble in chloroform and practically insoluble in ether. One gram is soluble in 13 mL of water (20 C). CATAPRES 150 tablets contain 150 micrograms of clonidine hydrochloride. CATAPRES 150 tablets contain the excipients maize starch, lactose, calcium hydrogen phosphate, colloidal anhydrous silica, povidone and stearic acid. CATAPRES ampoules contain 150 micrograms of clonidine hydrochloride/1 mL. CATAPRES ampoules contain the excipients sodium chloride, hydrochloric acid and water for injections. PHARMACOLOGY MODE OF ACTION The hypotensive effect of CATAPRES is produced mostly by its central effect or reducing sympathetic drive. In this respect CATAPRES differs from previously used anti-hypertensives. CATAPRES neither depletes major catecholamine stores, nor acts as a ganglion blocking PI0011-05 2 agent. The specific and different mode of action of CATAPRES leads to benefits such as reduced incidence of postural hypotension and only rarely an effect on libido. The central action of CATAPRES is ascribed mainly to an action on the bulbar structures of the central nervous system, particularly the Read the complete document