Metoprolol succinate, also known by its generic name of metoprolol, belongs to a family of referred to as beta-blockers. It is used to treat chest pain, high blood pressure and to prevent or treat heart attacks. Metoprolol succinate works by controlling the blood flow through veins and arteries, ultimately making it easier for the heart to do its job. As with any other, side effects accompany this medication.
Common Side Effects
The following side effects are the most common and have been reported to be experienced by up to 16 percent of people taking metoprolol succinate. Upon first beginning this medication, you may experience a slower heart rate, develop an unexplained rash or become dizzy. Shortness of breath is another common side effect, as is feeling tired and having bouts of diarrhea. Depression may strike as well, although should not be a long-term condition.
Less Common Side Effects
According to eMedTV.com, fewer than 1 percent of those taking metoprolol succinate experienced any of the following: tingling or numbness of the extremities, swelling of limbs and extremities, wheezing, nausea, constipation, gas, congestive heart failure, low blood pressure, shortness of breath, dry mouth or heartburn.
Serious Side Effects
Although serious side effects tend to be infrequent, they pose a severe health risk and you should report them to your doctor immediately. If you experience unexplained weight gain, begin to swell for no apparent reason or faint, you may have cause for concern. Other signs of an impending health risk include being dizzy or light-headed, developing an arrhythmia (irregular heartbeat), experiencing chest pain or becoming confused.
Rare Side Effects
Rare side effects occur in less than 1 percent of people taking metoprolol succinate. These effects include short-term memory loss, insomnia, low blood sugar levels, a worsening of the skin condition psoriasis, hair loss, dry eyes, the onset of diabetes, the onset of arthritis, impotence (the inability to achieve or maintain an erection) and the onset of hepatitis.
Signs of Overdose
It is possible to take too much metoprolol succinate, which can lead to an overdose. Signs of this include an uneven heartbeat, bluish-colored fingernails, weakness or fainting, feeling short of breath and becoming dizzy. If you experience any of these, seek emergency medical attention immediately.
Signs of Allergic Reaction
If you experience any signs of an allergic reaction, call 911 promptly. The signs include swelling of your throat, face, lips and tongue, the sudden onset of hives or an unexplained rash, excessive itching and difficulty breathing or swallowing.
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