Rational pharmacotherapy of pain / David Lussier and Pierre Beaulieu -- Classification of analgesics / David Lussier and Pierre Beaulieu -- Antidepressants analgesics / Peter Watson -- Analgesic anticonvulsants / David Lussier -- Cannabinoids as adjuvant analgesics / Pierre Beaulieu and Julie Desroches -- Local anesthetics / Patrick Friederich -- NMDA antagonists as analgesic adjuvants / Philippe Richebé, Laurent Bollag, Cyril Rivat -- Topical adjuvant analgesics / Jana Sawynok -- Choice of analgesic based on type of pain -- Drug-drug interactions of adjuvant analgesic agents / David R.P. Guay