Littre, however, takes the word to be Old Celtic, and meaning "genius," and states that it occurs in such forms as sulfa, sylfi, &c., in inscriptions, or latinized as sulevae or suleviae.
Many lupus patients are highly sensitive to sulfa drugs.
Babies born with toxoplasmosis who show symptoms of the disease may be treated with pyrimethamine, the sulfa drug sulfadiazine (Microsulfon), and folinic acid.
Causes of fasting hypoglycemia in children without diabetes may include insulin-producing tumors, certain hormonal deficiencies, medications (including sulfa drugs and large doses of aspirin), and critical illnesses.
The procedure has worked for sensitivities to penicillin, sulfa drugs, and insulin.