Il agit en quelques heures, bien que lon ne ressente normalement pas son action. On lemploie aussi après un infarctus, ainsi que pour dautres indications. The following medications may interact with metoprolol tartrate or metoprolol succinate. 1.1 Hypertension - Metoprolol succinate extended-release tablets are indicated for the treatment of hypertension, to lower blood pressure. Ce médicament est habituellement utilisé pour prévenir langine de poitrine ou pour diminuer la tension artérielle. The dosage may be increased at weekly (or longer) intervals until optimum blood. Make sure you tell your doctor about all prescription and over-the-counter drugs, supplements, and herbs you take before you start treatment with a new medication. Adults: The usual initial dosage is 25 to 100 mg daily in a single dose. Both drugs share similar drug interactions.