Norvasc is a medication used in the treatment of high blood pressure and angina. The active ingredient in Norvasc is amlodipine besylate. There are several synonyms for Norvasc that can be used interchangeably. Some of these synonyms include Amlodipine, Amlopres, Amril, Amlocard, Amlokind, Amlohexal, and Amzylite. These synonyms contain the same active ingredient and are available in different forms such as tablets, capsules, and injections. Although these drugs have the same therapeutic effect, they might differ in the way they are absorbed and the duration of their effect. Therefore, patients should always consult a healthcare professional before switching to a different medication.