See also C03 - Diuretics, C07 - Beta blocking agents, C08 - Calcium channel blockers and C09 - Agents acting on the renin-angiotensin system.
Antihypertensives are mainly classified at 3rd levels according to the mechanism of action. Most headings are self-explanatory:
C02A Antiadrenergic agents, centrally acting
C02B Antiadrenergic agents, ganglion-blocking
C02C Antiadrenergic agents, peripherally acting
C02D Arteriolar smooth muscle, agents acting on
C02K Other antihypertensives
C02L Antihypertensives and diuretics in combination
C02N Combinations of antihypertensives in ATC gr. C02
Parenteral DDDs are based on dosages used for the treatment of hypertensive crises and are based on the content of the active ingredient pr. vial (ampoule).
C02A ANTIADRENERGIC AGENTS, CENTRALLY ACTING
C02AC Imidazoline receptor agonists
Low strength clonidine preparations used in the treatment of migraine are classified in N02C - Antimigraine preparations.
Combinations with diuretics, see C02LC - Imidazoline receptor agonists in combination with diuretics.
Last updated: 2013-12-19