Ranexa, generically known as ranolazine, is a medication primarily used in the management of chronic angina pectoris, a condition characterized by chest pain due to reduced blood flow to the heart. It works by improving blood flow to help the heart work more efficiently, thereby reducing the frequency of angina attacks. Unlike traditional anti-anginal medications, Ranexa operates through a mechanism that does not significantly affect blood pressure or heart rate. It is often prescribed when first-line treatments for angina, such as beta-blockers or nitrates, are not sufficiently effective or are contraindicated. Ranexa can be used alone or in combination with other anginal therapies. It is important for patients to follow their healthcare provider's instructions closely when taking Ranexa, as it can interact with other medications.