ATC Group: C04AB Imidazoline derivatives

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of C04AB in the ATC hierarchy

Level Code Title
1 C Cardiovascular system
2 C04 Peripheral vasodilators
3 C04A Peripheral vasodilators
4 C04AB Imidazoline derivatives

Group C04AB contents

Code Title
C04AB01 Phentolamine
C04AB02 Tolazoline

Active ingredients in C04AB

Active Ingredient Description
Phentolamine

Phentolamine is a competitive non-selective α1- and α2-adrenergic receptor blocker of relatively short duration of action. It causes vasodilatation and a fall in blood pressure resulting from the blockade of both post-junctional vascular α1- and α2-adrenoceptors. It also antagonises the vasoconstrictor response to noradrenaline and adrenaline infusions.