Metoprolol tartrate IV injection is used to reduce the ... In general, lower doses of 25 mg or 50 mg last about six hours, ...

A pharmacist weighs in on how long this beta-blocker lasts Metoprolol is a generic prescription medication approved by the ...

Following informed consent, patients were randomized (in strata according to time of onset, diabetes status, sex, and age) to the treatment arm (up to three 5-mg boluses of metoprolol tartrate at ...