Amlodipine besylate is primarily used to treat high blood pressure and angina. It is important to note that this medication is a calcium channel blocker, which means that it works by relaxing blood vessels, allowing better blood flow throughout the body. Some synonyms for amlodipine besylate include Norvasc, Zoremil, and Istin. These medications are also calcium channel blockers that work in a similar way to amlodipine besylate. It is important to consult with a doctor before starting any new medication, including those that might be considered synonyms for amlodipine besylate. Only a qualified healthcare professional can evaluate the individual patient's medical history and determine the best course of treatment.