Angelika_23 Posted August 3, 2011 Report Share Posted August 3, 2011 I am currently on Metoprolol ER Succinate, which is the extended release. The Dr. said even though it was an extended release, it wasn't lasting long enough which is why I was starting to have problems. So he put me on another tiny dose at night, which made my days better, but it had a bad effect on my heart at night. So the extra dose at night was taken away, and I am fainting again on a regular basis.I know that Metoprolol comes in a tartrate form, which is short acting. I wonder if it would be better to take that several times a day, than the succinate once a day because it obviously isn't working for me so well. I will put in a call to the Dr's office.Is anyone well versed in these two medications? Are there side effects that differ from one to the other? Quote Link to comment Share on other sites More sharing options...
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