Source:http://linkedlifedata.com/resource/umls/id/C0041755
CSP: unintended, deleterious effects of otherwise licit, therapeutic, properly administered drugs; for effects of illicit and abused drugs, or of environmental chemicals, see TOXICOLOGY or POISONING.,MEDLINEPLUS: <p>Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions.</p><p>One problem is interactions, which may occur between</p><ul><li>Two drugs, such as aspirin and blood thinners</li><li>Drugs and food, such as statins and grapefruit</li><li>Drugs and supplements, such as gingko and blood thinners</li><li>Drugs and diseases, such as aspirin and peptic ulcers</li></ul><p>Interactions can change the actions of one or both drugs. The drugs might not work, or you could get side effects.</p><p>Side effects are unwanted effects caused by the drugs. Most are mild, such as a stomach aches or drowsiness, and go away after you stop taking the drug. Others can be m