Ceska Slov Farm. 1996 Sep; 45(5): 246-9.

[Risk of adverse effects of drugs]

NovÃ¡ D.

With regard to the demonstrated adverse effects of some vegetable drugs (Rubia tinctorum L., pyrrolizidine alkaloids), or serious suspicions of adverse effects (drugs containing hydroxyanthracene derivatives), the German Federal Health Authority (BGA) has taken the following measures: the drug Rubiae tinctorum radix and the preparations manufactured from it have been withdrawn from circulation, and in the drugs and preparations containing pyrrolizidine alkaloids and hydroxyanthracene derivatives the manner of use, dosing and information for the customer have been modified.