DEFINITION, PREVALENCE & ETIOLOGY

DEFINITION

• Adverse Drug Reactions (ADRs): Unwanted or harmful reactions resulting from medication use

PREVALENCE

• Type A reactions account for 80% of all ADRs

ETIOLOGY

Different types:

• Type A: Dose-dependent reactions
• Type B: Non-predictable reactions
• Type C: Continuing reactions
• Type D: Delayed reactions
• Type E: End-of-life reactions