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Metoprolol Succinate ER 25mg Side Effects

Metoprolol Succinate ER is a prescription medication dispensed in a 25 mg tablet form for oral ingestion 1. Produced by the pharmaceutical company AstraZeneca under the brand name of Toprol XL, Metoprolol Succinate ER was approved by the FDA in 2001 1. Metopronol Succinate ER is used to treat angina (chest pain), high blood pressure and heart failure. It is also used as a treatment for the prevention of heart attacks. Side effects such as dizziness, weakness and depression are not uncommon among users.


Metoprolol Succinate ER can be prescribed as 25 mg, or up to 100 mg tablets if your condition worsens 1. Take Metoprolol Succinate ER exactly as prescribed and don't skip a dose 1. If you forget to take Metoprolol Succinate ER, be sure to take it as soon as you remember 1. Metoprolol Succinate ER should be taken with food, either with or directly after a meal 1. Never take a double dose as it may cause an overdose. Metoprolol Succinate ER symptoms of overdose are uneven heartbeat, breathing difficulties like shortness of breath, bluish-colored fingernails, dizziness and weakness or fainting 1.

Less Severe Side Effects

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Associated with a few moderate side effects, Metoprolol Succinate ER side effects include vomiting or nausea, decreased sex drive or impotence, and anxiety or tiredness 1. Tell your doctor if any of these symptoms occur as a result of taking Metoprolol Succinate ER 1.

Serious Side Effects

More serious Metoprolol Succinate ER side effects which require immediate medical care may include slow, uneven heartbeat, lightheadedness and fainting, swelling of the ankles and feet or short of breath 1. Notify your doctor immediately if you experience a dark urine, a loss of appetite, jaundice or depression or any severe side effect as a result of taking Metoprolol Succinate ER 1.

Depression and Metoprolol Succinate ER

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Metoprolol Succinate ER has been associated with creating or worsening depression symptoms in users 1. Your doctor should be informed if you have a experienced depression within the past five years. If you have a history of clinical depression, be sure to tell your doctor before taking Metoprolol Succinate ER 1. If you experience trouble sleeping, a change in appetite or difficulty concentrating, you might be experiencing depression due to Metoprolol Succinate ER and may need to change medications 1.


Don't stop taking Metoprolol Succinate ER suddenly without first discussing with your doctor 1. Chest pain, heart attack or uneven heartbeats may occur as a result of suddenly stopping treatment. It is important that you take Metoprolol Succinate ER exactly as directed and do not use alcohol while taking this medication 1. If you are having a surgical procedure, make sure your surgeon knows you are taking Metoprolol Succinate ER (even if it is dental surgery) 1. Do not take Metoprolol Succinate ER while suffering from health conditions such as heart failure, heart block or slow heart rate 1. Inform your doctor of your full medical history and all the medications you are currently taking before using Metoprolol Succinate ER 1.