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An adverse drug reaction (ADR) is a harmful, unintended result caused by taking medication. [1]: 1.1 Adverse Drug Reaction (ADR) [2] ADRs may occur following a single dose or prolonged administration of a drug or may result from the combination of two or more drugs.
CDR is one means of establishing the validity and benefits of medication in treating specific conditions [1] as well as any adverse drug reactions.The Food and Drug Administration of the United States lists positive dechallenge reactions (an adverse event which disappears on withdrawal of the medication) as well as negative (an adverse event which continues after withdrawal), as well as ...
Adverse drug reaction. This could occur when a patient has an allergic response to a medication. [7] Inappropriate adherence. This could occur when a patient chooses not to or forgets to take a medication. [7] Needs additional drug therapy. This could occur when a patient needs more medication to treat their condition. [7]
Between 1998 and 2007, 33 serious adverse drug or device reactions have been reported by RADAR investigators. The toxicities involved multiple biological system and included thrombotic thrombocytopenic purpura (TTP) (ticlopidine and clopidogrel), thromboembolism (thalidomide and lenalidomide), liver failure (gemtuzumab and nevirapine), hypersensitivity (drug eluting coronary arterial stents ...
A drug allergy is an allergy to a drug, most commonly a medication, and is a form of adverse drug reaction. Medical attention should be sought immediately if an allergic reaction is suspected. An allergic reaction will not occur on the first exposure to a substance.
The risk of first-degree relatives developing the same hypersensitivity reaction is higher than in the general population. [ 1 ] As this syndrome can present secondary to multiple anticonvulsants, the general term "anticonvulsant hypersensitivity syndrome" (AHS) is favored over the original descriptive term "dilantin hypersensitivity syndrome."
Serious adverse reactions are serious adverse events judged to be related to drug therapy. A SUSAR (suspected unexpected serious adverse reaction) should be reported to a drug regulatory authority under an investigational license by using the CIOMS form (or in some countries an equivalent form).
One of the most prevalent forms of adverse drug reactions is cutaneous reactions, [1] with drug-induced urticaria ranking as the second most common type, preceded by drug-induced exanthems. [2] Urticaria, commonly known as hives , manifests as weals, itching, burning, redness, swelling, and angioedema —a rapid swelling of lower skin layers ...