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    sweiso's Avatar
    sweiso Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 24, 2008, 08:53 AM
    Metoprolol 25 compared metoprolol succ er 25
    I have two prescriptions: metoprolol tartarate 25 mg and metoprolol succ er 25 mg. Does anyone know what the effective difference is? :confused: Can one replace the other? Or be used instead of the other? Thanks! :)
    J_9's Avatar
    J_9 Posts: 40,298, Reputation: 5646
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    #2

    Feb 24, 2008, 03:02 PM
    They are interchangeable. It's simply that the "ER" is an Extended Release version and seems to be better tolerated and is longer acting.
    inthebox's Avatar
    inthebox Posts: 787, Reputation: 179
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    #3

    Feb 24, 2008, 08:48 PM
    The extended release [ toprol xl? ] can be taken once a day and is probably more costly.


    PLain old generic metoprolol [ less costly ] will act more quickly and not last 24 hours, therefore it is usually dosed twice a day. If you take this once a day it may not give you the blood pressure control [ important if you have angina or heart disease ] that you need.



    Please let your doctor know of your dilemma here, and get exact instructions and dosage.
    SHOWEY1's Avatar
    SHOWEY1 Posts: 4, Reputation: 1
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    #4

    Feb 27, 2009, 07:28 PM

    inthebox is right.
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