nitritoid reaction

ni·tri·toid re·ac·tion

a severe reaction resembling that following the administration of nitrites, sometimes following intravenous administration of arsphenamine or other drugs; consists of flushing of the face, edema of the tongue and lips, vomiting, profuse sweating, a fall in blood pressure, and sometimes death.

ni·tri·toid re·ac·tion

(nītroyd rē-akshŭn) Severe reaction resembling that following the administration of nitrites, sometimes following intravenous administration of arsphenamine or other drugs; involves facial flushing, edema of tongue and lips, vomiting, profuse sweating, falling blood pressure, and sometimes death.