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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.
Adverse reaction reporting is an important component of New Zealand's pharmacovigilance activities. The Centre for Adverse Reactions Monitoring (CARM) in Dunedin is New Zealand's national monitoring centre for adverse reactions. It collects and evaluates spontaneous reports of adverse reactions to medicines, vaccines, herbal products and ...
However, drugs often contain many different substances, including dyes, which could cause allergic reactions. This can cause an allergic reaction on the first administration of a drug. For example, a person who developed an allergy to a red dye will be allergic to any new drug which contains that red dye. A drug allergy is different from an ...
Patients prescribed 10 or more medicines had a threefold increased risk of experiencing an ADR, scientists said.
For many biologics (e.g., monoclonal antibodies), injection site reactions are the most common adverse effect of the drug, and have been reported to have an incidence rate of 0.5–40%. [2] In trials of subcutaneous administration of oligonucleotides, between 22 and 100% of subjects developed reactions depending on the oligonucleotide. [6]
Common adverse drug reactions (≥ 1% of people) associated with use of the penicillins include diarrhea, hypersensitivity, nausea, rash, neurotoxicity, urticaria (hives), and superinfection (including candidiasis).
Adverse drug reactions are most commonly associated with the first-generation H 1-antihistamines. This is due to their relative lack of selectivity for the H 1-receptor and their ability to cross the blood–brain barrier. The most common adverse effect is sedation; this "side-effect" is utilized in many OTC sleeping-aid
Adverse drug reaction (ADR), a harmful unintended result caused by taking medication; Combined drug intoxication; Conservative management; Drug-drug interaction (DDI), an alteration of the action of a drug caused by the administration of other drugs; Paradoxical reaction, an effect of a substance opposite to what would usually be expected