Ranexa is an anti-anginal medication. It works by improving blood flow to help the heart work more efficiently. Ranexa is used to chronic treat angina (chronic chest pain) when other medications have not helped the condition. It should be used in combination with another medicine (eg, amlodipine, beta-blockers, nitrates). You should not take Ranexa if you have liver disease, hypokalemia (low levels of potassium in your blood), or a personal or family history of "Long QT syndrome." Ranexa should not be taken together with certain medicines to treat heart rhythm disorders, malaria, infections, mental illness, pain, cancer, or stomach disorders. Before you take Ranexa, tell your doctor about all other medications you are using. Ranexa is not for use during an acute (emergency) attack of angina. Continue using any other medicines prescribed by your doctor (such as nitroglycerin) to treat acute angina. Chronic angina is often treated with a combination of different drugs. To best ...
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