Beta-blocker. Clinical experience and wo references point to non-porphyrinogenicity.

Beta-receptor blocking agent used in hypertonia, angina pectoris, tachyarrythmia. Eliminated unchanged (30 -40%) and as metabolites. Thunell, patient reports (n=3): tolerated. Andersson, patient report (n=3): tolerated. South African list: use. EPI: safe (betablockers)

Uneventful use reported in 5 patients with acute porphyria.