Aged Cheese, avocados, bananas, figs, beer, broad beans, dried sausage, fish, liver, meats prepared w/ tenderizer, pickled herring, poultry, raisins, red wine, salami, sauerkraut, sour cream, soy sauce, yeast extract, yogurt. Ataxia (loss of coordination, clumsiness), dizziness, light headedness, and drowsiness. Often cause GI symptoms such as ; indigestion, nausea and vomiting. Double vision (diplopia), rapid involuntary movement of the eyes (nystagmus), hypotension, excessive growth of gum tissue (gingival hyperplasia), excessive growth of hair in areas not normally hairy (hypertrichosis), and rashes. Side effects for which the patient should be instructed to call the prescriber immediately include; difficulty coordinating movements, skin rashes, easy bruising, tiny purple colored spots (petechiae, an indication of bleeding beneath the skin), bloody nose, or unusual bleeding.