HYPERTENSIVE CRISIS WITH NASAL DECONGESTANTS. CAUSES ORTHOSTATIC HYPOTENSION AND HYPOGLYCAEMIA WITH SEDATIVES, ANTIHISTAMINES, TRANQUILLIZERS AND NARCOTICS. CONCURRENT USE WITH ALCOHOL, A DISULFIRAM-LIKE REACTION MAY OCCUR. TYRAMINE-CONTAINING FOODS SUCH AS BROAD BEANS, YEAST EXTRACTS, STRONG UNPASTEURIZED CHEESES, BEER, WINE, PICKLED HERRING, CHICKEN LIVERS, AND FERMENTED PRODUCTS ARE CONTRAINDICATED. INDIRECTLY-ACTING SYMPATHOMIMETIC AMINES SUCH AS THOSE FOUND IN NASAL DECONGESTANTS (PHENYLEPHRINE, EPHEDRINE) AND ANORECTICS (AMPHETAMINES) ARE CONTRAINDICATED. SEDATIVES, ANTIHISTAMINES, TRANQUILIZERS, AND NARCOTICS SHOULD BE USED IN REDUCED DOSAGES AND WITH CAUTION.