An adverse drug reaction (abbreviated ADR) is an expression that describes harm associated with the use of given medications at a normal dose. The meaning of this expression differs from the meaning of "side effect", as this last expression might also imply that the effects can be beneficial.The study of ADRs is the concern of the field known as pharmacovigilance.
Classification:
- Type A: Augmented pharmacologic effects - dose dependent and predictable
- Intolerance
- Side Effects
- Type B: Bizarre effects (or idiosyncratic) - dose independent and unpredictable
- Type C: Chronic effects
- Type D: Delayed effects
- Type E: End-of-treatment effects
- Type F: Failure of therapy
Report adverse reaction of drug in Bangladesh through website of Directorate General Of Drug administration.
http://www.ddabd.org/