Why chocolate should be avoided for those patients who are taking antidepressants ?

Some foods like cheese, bear, wines, yeast extracts & chocolates have high content of tyramine & other catecholamines. If these foods are taken by those patients who are taking some antidepressant drugs like monoamine oxidase inhibitors (MAOI), it will lead to sudden rise in blood pressure, tachycardia & palpitations. This is known as cheese reaction. So those patients who are taking these medication should avoid these foods.If this cheese reaction happen, it should be treated by giving i.v. injection of some alpha blockers like phentolamine, prazocin etc