TOXIC EFFECTS OF DIODOQUIN

According to previously published reports of cases of amebic dysentery treated with diodoquin, the use of this drug has not been accompanied by any toxic or disagreeable symptoms. Craig, 1 in recommending the use of diodoquin for the prophylaxis of amebiasis, stated that "... diodoquin is not accompanied by any disagreeable symptoms, even when administered in large doses over a longer period of time." Silverman 2 reported 25 cases of acute and chronic amebic colitis and observed no toxic effects after a high dosage of twelve tablets a day. Hummel 3 treated 20 patients with nine tablets a day for twenty days without observing any evidence of toxicity. D'Antoni 4 made no mention of drug reaction in 84 cases of amebiasis treated with diodoquin. Bercovitz 5 in his recent textbook, referring to diodoquin, states that "the drug is nontoxic and nonirritating to the bowel mucosa." In view of such statements made