Except for accounts used solely to pay postage due for shortpaid mail, address correction notices, and undeliverable-as-addressed pieces returned to sender (e.g., return service requested), mailers must pay a separate annual accounting fee for each extra service paid through an advance deposit account.
Immediate-release metoprolol tablets come in a number of strengths, including: 1  Lopressor or generic metoprolol tartrate 50 mg. 2  Lopressor or generic metoprolol tartrate 100 mg.
General Information. Toprol-XL is a beta1-selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended release tablets. It has been formulated to provide a controlled and predictable release of metoprolol for once-daily administration.he combination of Toprol-XL with Plendil has greater effects on blood pressure. In controlled clinical studies, an immediate release dosage form of metoprolol was an effective antihypertensive agent when used alone or as concomitant therapy with thiazide-type diuretics at dosages of 100-450 mg daily.