1 row is stored for this page
| Field | Field type | Value |
|---|
| generic | String | Metoprolol |
| brand | String | Lopressor (tartrate), Toprol XL (succinate) |
| structure | File | |
| classes | List of String, delimiter: , | Beta Blocker • Cardioselective (β1) |
| mechanism | String | Cardioselective β1-adrenergic antagonist. Selectivity is dose-dependent and partially lost at higher doses. |
| uses | String | '"`UNIQ--vote-000004F5-QINU`"', '"`UNIQ--vote-000004F6-QINU`"', '"`UNIQ--vote-000004F7-QINU`"', '"`UNIQ--vote-000004F8-QINU`"', '"`UNIQ--vote-000004F9-QINU`"' |
| starting_dose | String | 25–50 mg BID (tartrate); 25–100 mg daily (succinate); 12.5 mg daily in HFrEF |
| preparations | String | Tartrate: 25, 50, 100 mg tabs; 1 mg/mL IV. Succinate ER: 25, 50, 100, 200 mg. |
| fda_max | String | 400 mg/d |
| pill_id | Text | |
| routes | List of String, delimiter: , | Oral • IV |
| onset | String | 1–2 h (PO); immediate (IV) |
| duration | String | 6–12 h (tartrate); 24 h (succinate) |
| halflife | String | 3–7 h |
| bioavailability | String | ~50% |
| pregnancy | String | Category C |
| legal | String | Rx-only in US |
