The results of the presented double-blind trial proved that the benzopyrone compound Venalot, a combination of coumarin and troxerutin used in the treatment of local inflammatory oedemas of traumetic, phlebopathic and lymphostatic origin, can be administered unhestitatingly in case of severe parenchymatous liver damages even in a dosage which was chosed higher than that recommended and usually given (2 depot tablets b.d.).