[Hazards of hyperthyroidism therapy]

It is reported on the competitive methods of treatment of hyperthyroidism and their side-effects, whereby special value is laid to the choice of the method, the consideration of late complications and the observation of the therapy. With the help of casuistic instances complications such as postoperative exacerbation of hyperthyroidism, postoperative hypothyroidism as well as the sequelae of irrelevant dosage of the antithyroidal medicaments are explained.