Dihydropyridines are not substitutable without careful monitoring.
D016907:Adverse Drug Reaction Reporting Systems; D017311:Amlodipine / Q000009:adverse effects; D000959:Antihypertensive Agents / Q000009:adverse effects*; D002121:Calcium Channel Blockers / Q000009:adverse effects*; D003692:Delayed-Action Preparations; D004095:Dihydropyridines / Q000009:adverse effects*; D015736:Felodipine / Q000009:adverse effects; D006801:Humans; D009543:Nifedipine / Q000009:adverse effects
D000959:Antihypertensive Agents; D002121:Calcium Channel Blockers; D003692:Delayed-Action Preparations; D004095:Dihydropyridines; D017311:Amlodipine; D009543:Nifedipine; D015736:Felodipine