nitritoid
/ˈnʌɪtrʌɪtɔɪd/Medicine
adjective
Designating an adverse drug reaction (originally to arsenicals, now especially to parenteral gold salts) characterized by facial flushing, nausea, dizziness, and rarely hypotension and syncope, resembling the effects of the vasodilator amyl nitrite.
Origin
Early 20th century; earliest use found in Archives of Internal Medicine. From nitrite + -oid, after French nitritoïde.