If these effects are mild, they may go away within a few days or a couple of weeks. bradycardia (heart rate that’s slower than normal).breathing problems such as shortness of breath, cough, and wheezing.The more common side effects that can occur with metoprolol include: Metoprolol oral tablet can cause certain side effects.

This in turn helps decrease blood pressure and reduce chest pain. By relaxing the blood vessels, beta-blockers help to lower the heart rate and decrease the heart’s demand for oxygen. This puts a strain on the heart and increases the body’s oxygen demand.īeta-blockers work by preventing norepinephrine (adrenalin) from acting on beta receptors in blood vessels and in the heart. These drugs are often used to treat similar conditions.īlood pressure is often raised because blood vessels are tightened. A class of drugs is a group of medications that work in a similar way. How it worksīoth versions of metoprolol belong to a class of drugs called beta-blockers. That means you may have to take it with hydrochlorothiazide or chlorthalidone. Metoprolol may be used as part of a combination therapy. However, metoprolol tartrate is also used to treat and prevent heart attacks, while metoprolol succinate is also used to treat heart failure. Why it’s usedīoth forms of metoprolol - metoprolol tartrate (Lopressor) and metoprolol succinate (Toprol-XL) - are used to: Metoprolol tartrate is an immediate-release version of metoprolol. Metoprolol succinate is an extended-release version of metoprolol, so it remains in your bloodstream for a longer time. The different salt forms enable the drugs to be used to treat different conditions. Lopressor is metoprolol tartrate, while Toprol-XL is metoprolol succinate. They’re both metoprolol, but they contain different salt forms. The two brand-name forms of metoprolol (as well as the different generic forms) are different versions of the medication. In some cases, they may not be available in all strengths or forms as the brand-name drugs. Generic drugs usually cost less than the brand-name versions. Metoprolol oral tablets are available as the brand-name drugs Lopressor and Toprol XL. It also comes in an injectable form that’s only given by a healthcare provider. It comes as immediate-release and extended-release oral tablets, and extended-release oral capsules.

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