Occasional clinical observation of tolerance.Two references state non-porphyrinogenicity.

(To be edited, initial data ST OCT 04) Beta-receptor blocking agent. Partly metabolized in the liver by CYP 2D6. Andersson, patient report (n=1): tolerated. South African list: use. French list: authorized. EPI: safe (betablockers)

Uneventful use reported in 1 patient with acute porphyria.