Dihydropyridines:
Drugs - Amlodipine, Felodipine, Lercandipine, Nifedipine, Nimodipine
Selectivity- Selective for Ca2+ channels on vascular smooth muscle
Clinical effects:- Decreases BP
Clinical use: - Hypertension, angina
Adverse effects: - Reflex tachycardia, peripheral oedema, headache, flushing