Book excerpt: Did You Know? Eating too much broccoli could be deadly if you also take the popluar blood thinner called Coumadin (warfarin)? Grapefruit juice, when used to wash down certain atihistamines, immune suppressors, or blood pressure drugs, can cause blood levels of these powerful drugs to soar? The result: serious side effects. Birth control pills might be rendered ineffective by the following substances: barbituates, antibiotics, anti-fungal drugs, tuberculosis drugs, certain anticonvulsants? Is Your Life In Danger? Everyone has taken more than one pill simultaneously. Yet every time you combine drugs with prescription medicines, foods, vitamins, minerals, herbs or alcohol you explose yourself to the risk of a potentially dangerous interaction. Deadly Drug Interactions Can Help You. Over 200 easy-to-understand charts with information on medications for pain relief, allergies, asthma, arthritis, heart problems, depression, diabetes, contraception, ulcers and much more. Descriptions of the symptoms of interactions. Specific concerns of women, children and older people. Vital information of Lanoxin, Cardizem, Prozac, Mevacor, Ortho-Novum, Tagamet, Coumadin, Dilatin, Cipro, Synthroid, Procardia, and scores of other commonly prescribed medicines.