[Sodium salts or methylglucamine salts in contrast media for infusion pyelography? (author's transl)].

Tolerance of two contrast media was compared by a double blind study. High doses of iodine (45 g) were used for both contrast substances. Sodium Ioglicinate was giving best radiological contrast but produced more side-effects, especially nausea, as compared to Methylglucamine-Ioglicinate. On the contrary Methylglucamine-Ioglicinate did not give best density but did produce less side-effects. Thus the investigator has to consider very carefully, which of the compounds has to be preferred.