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.
The active substance metoprolol is employed either as metoprolol succinate or as metoprolol tartrate (where 100 mg metoprolol tartrate corresponds to 95 mg metoprolol succinate). The tartrate is an immediate-release and the succinate is an extended-release formulation.