definition of contraindications of drugs
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Contraindication A contraindication is a specific situation in which a drug, procedure, or surgery should not be used because it may be harmful to the person. There are two types of contraindications: Relative contraindication means that caution should be used when two drugs or procedures are used together. (It is acceptable to do so if the benefits outweigh the risk.)
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Contraindication Print Text Size: A A A. A symptom, condition, or trait that interferes with a given drug or treatment in a dangerous or counterproductive way. Most drugs and medical treatments have contraindications. For example, if drug A interacts with drug B, the labeling for drug A will list drug B as a contraindication.
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- (kŏn′trə-ĭn′dĭ-kā′shən) n. A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable: A previous allergic reaction to penicillin is a contraindication to the future use of that drug.
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Interaction In terms of efficacy, there can be three types of interactions between medications: additive, synergistic, and antagonistic. 1  Additive interaction means the effect of two chemicals is equal to the sum of the effect of the two chemicals taken separately. This is usually due to the two chemicals acting on the body via same or similar mechanism. Examples are aspirin and motrin, alcohol and depressant, tranquilizer and painkiller.
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chemoprophylaxis chemoprophylaxis The use of drugs or antibacterial chemical agents to prevent the development or spread of infectious diseases. che·mo·pro·phy·lax·is (kē'mō-prō'fi-lak'sis) Prevention of disease using chemicals or drugs. chemoprophylaxis. prevention of disease by chemical means.
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Contraindication There are two types of contraindications: 1  Relative contraindication means that caution should be used when two drugs or procedures are used together.  Absolute contraindication means that event or substance could cause a life-threatening situation.
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- contraindications to the use of local anesthetics in general, and to the use of vasoconstrictors in local. anesthetics in particular, are often discussed in terms of absolute as opposed to relative.
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Opiate Contraindications Allergic Reaction, Bowel Problems And Pre-Existing Conditions May Cause Problems. People who are allergic to opiates should not take any of them. An allergic reaction can include symptoms that include rash, hives, itching, difficult breathing or swelling of the face, lips, tongue or throat. What it means to have a drug contraindicated is that it's not meant to be taken by some people. People with known allergies or those who already suffer from significant respiratory depression should be advised not to take opiates. All opiates can produce some degree of constipation.
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Thiazide Thiazide - Contraindications. 1  Contraindications include... 2  Hypotension. 3  Allergy to sulphur-containing medications. 4  Renal failure. 5  Lithium therapy. 6  Hypokalemia. 7  May worsen diabetes. 8  Thiazides reduce the clearance of uric acid since they compete for the same transporter, and therefore raise the levels of uric acid in the blood.
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Pharmacy Separation of prescribing and dispensing is a practice in medicine and pharmacy in which the physician who provides a medical prescription is independent from the pharmacist who provides the prescription drug. In the Western world there are centuries of tradition for separating pharmacists from physicians.
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contraindication con·tra·in·di·ca·tion (kŏn′trə-ĭn′dĭ-kā′shən) n. A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable: A previous allergic reaction to penicillin is a contraindication to the future use of that drug.
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Pharmacy Refusals 101 Pharmacy Refusals 101. Prescription Contraception is Basic Health Care for Women. Family planning is central to good health care for women. Access to contraception is critical to preventing unintended pregnancies and to enabling women to control the timing and spacing of their pregnancies.
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- From Wikipedia, the free encyclopedia. A prescription drug (also prescription medication or prescription medicine) is a pharmaceutical drug that legally requires a medical prescription to be dispensed. In contrast, over-the-counter drugs can be obtained without a prescription. The reason for this difference in substance control is the potential scope of misuse, from drug abuse to practicing medicine without a license and without sufficient education.
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Drug interaction The opposite effect to synergy is termed antagonism. Two drugs are antagonistic when their interaction causes a decrease in the effects of one or both of the drugs. Both synergy and antagonism can both occur during different phases of the interaction of a drug with an organism, with each effect having a different name.
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- The contraindications to the induction of labor mirror those of spontaneous labor (Table 2) . 2 – 4 Although not necessarily contraindications to induction, several obstetric conditions deserve special attention and may require consultation or assistance (Table 3) .
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Drug Interaction Checker Drug interactions also may occur when two drugs that have similar (additive) effects or opposite (canceling) effects on the body are administered together. For example, there may be major sedation when two drugs that have sedation as side effects are given, for example, narcotics and antihistamines.
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- Indication (medicine) In medicine, an indication is a valid reason to use a certain test, medication, procedure, or surgery. The opposite of an indication is a contraindication, a reason to withhold a certain medical treatment because it could harm a patient. Drugs The examples and perspective in this section may not represent a worldwide view of the subject.
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contraindicate verb (used with object), contraindicated, contraindicating. Medicine/Medical. 1. (of a symptom or condition) to give indication against the advisability of (a particular or usual remedy or treatment). Origin of contraindicate. 1660-1670. 1660-70; probably back formation from contraindication.
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adverse drug reaction An adverse drug reaction is a “response to a drug which is noxious and unintended and which occurs at doses normally used in man for prophylaxis, diagnosis, or therapy of disease or for the modification of physiologic function.” Note that there is a causal link between a drug and an adverse drug reaction.
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- Dr. Fowler responded: Contraindication. It means something shouldn't be taken or done.
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Herbal Products and Your Anesthesia Use of herbal medications is not an absolute contraindication for surgery and anesthesia. It is essential that you tell your anesthesia professional and your surgeon about all the herbal products and other supplements you may be taking. Before Having an Anesthetic Stop taking the herbal product at least 1-2 weeks prior to the scheduled procedure/surgery to prevent side effects.
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- Contraindications and precautions to the use of influenza vaccines — United States, 2017–18 influenza season* Vaccine type Contraindications Precautions; IIV: History of severe allergic reaction to any component of the vaccine † or after previous dose of any influenza vaccine: Moderate-to-severe acute illness with or without fever History of Guillain-Barré syndrome within 6 weeks of receipt of influenza vaccine: RIV
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Indication (medicine) In medicine, an indication is a valid reason to use a certain test, medication, procedure, or surgery.[1] The opposite of an indication is a contraindication,[2] a reason to withhold a certain medical treatment because it could harm a patient.
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- adverse reaction in Medicine. adverse reaction ad·verse reaction (ād-vûrs', ād'vûrs') n. A result of drug therapy that is neither intended nor expected in normal therapeutic use and that causes significant, sometimes life-threatening conditions.
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- Cautions: Describes risks associated with use. of additional medications (i.e., over the. counter), increasing or discontinuing use of. medications, and adverse consequences with. concurrent use of alcohol and/or street drugs.
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Bexarotene Known contraindications include: 1  Hypersensitivity to the active substance or to any of the excipients in the preparation(s). 2  Pregnancy and lactation. 3  Women of child-bearing potential without effective birth-control measures. 4  History of pancreatitis. 5  Uncontrolled hypercholesterolaemia. 6  Uncontrolled hypertriglyceridaemia.