Adverse Drug Reaction

An adverse drug reaction (ADR) is an injury caused by taking a medication. ADRs may occur following a single dose or prolonged administration of a drug or result from the combination of two or more drugs. An ADR is a special type of ADE in which a causative relationship can be shown.
Causes:
An adverse drug reaction is an injury caused by taking a medication. ADRs may occur following a single dose or prolonged administration of a drug or result from the combination of two or more drugs. An ADR is a special type of ADE in which a causative relationship can be shown.

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