An adverse drug reaction is a reaction where
Type A: dose-related adverse effects (hypotension from antihypertensives)
Type B: dose-independant adverse effects (anaphylaxis)
Type C: Dose- and Time-related (HPA axis suppression)
Type D: Time- related effects (tardive dyskinesia)
Type E: withdrawal effects
Type F: other (altered clearance, ECMO adsorbtion, plasmapheresis removal).