<unk>  must be differentiated from carcinoid syndrome, globus hystericus, hereditary angioedema, pheochromocytoma, pulmonary embolism, scombroid intoxication, systemic mastocytosis, vagal reactions, irritable bowel syndrome, Crohn's disease, malignant neoplasm of the small intestine, benign cutaneous flushing, asthma exacerbation,  and medullary thyroid carcinoma.
Anaphylaxis differential diagnosis
Drug allergy differential diagnosis
Allergy differential diagnosis
Anaphylaxis risk factors
Stevens-Johnson syndrome differential diagnosis
Rhinitis differential diagnosis
Ehrlichiosis differential diagnosis
Gigantism differential diagnosis