FDA pharmacologic class
Calcium channel blockers
3 medicines are in FDA's class of calcium channel blockers (calcium channel blockers): diltiazem (Cardizem), amlodipine (Norvasc) and verapamil; 9 combination products also contain one. 11 of the 12 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is amlodipine besylate 5 mg tablet at $0.0102 per tablet (NADAC).
Which medicines are calcium channel blockers?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Diltiazem | Cardizem, Tiazac, Tiadylt | 50 labelers | $0.144 per capsule 24h ER(cd) 120 mg capsule | No | A presentation being discontinued | 29 |
| Amlodipine | Norvasc, Sdamlo, Norliqva | 42 labelers | $0.0102 per tablet 5 mg tablet | No | No current entry | 30 |
| Verapamil | none listed | 43 labelers | $0.191 per tablet 180 mg tablet | No | A presentation being discontinued | 7 |
| Amlodipine and benazepril | none listed | 16 labelers | $0.114 per unit 10-20 mg | Yes | No current entry | 8 |
| Amlodipine and atorvastatin | Caduet | 6 labelers | $1.34 per unit 10-40 mg | No | No current entry | 13 |
| Amlodipine and olmesartan | Azor | 14 labelers | $0.248 per unit 10-20 mg | Yes | No current entry | 6 |
| Amlodipine and hydrochlorothiazide and olmesartan | Tribenzor | 8 labelers | $0.776 per unit 20-5-12.5 | Yes | No current entry | 0 |
| Amlodipine and valsartan | Exforge | 9 labelers | $0.330 per unit 10-160 mg | Yes | No current entry | 20 |
| Amlodipine and hydrochlorothiazide and valsartan | Exforge | 5 labelers | $6.09 per tablet 10-160-25 mg tablet | Yes | No current entry | 0 |
| Amlodipine and telmisartan | none listed | 3 labelers | $2.88 per unit 40-10 | Yes | No current entry | 2 |
| Trandolapril and verapamil | none listed | 1 labeler | n/a | Yes | No current entry | 1 |
| Amlodipine and indapamide and telmisartan | Widaplik | none listed | n/a | Yes | No current entry | 0 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price