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.
Why It's Used. Metoprolol is used to: 1  lower high blood pressure. 2  reduce chest pain. 3  after a heart attack, the medication reduces the amount of work your heart muscle has to do to push blood through your body.