Drinking alcohol can further lower your blood pressure and may increase certain side effects of Norvasc. If you are being treated for high blood pressure, keep using Norvasc even if you feel well. High blood pressure often has no symptoms. Amlodipine (Norvasc) is used to treat high blood pressure (hypertension) and angina. Includes amlodipine side effects, interactions and indications. Includes amlodipine side effects, interactions and indications. A: Norvasc (amlodipine) is a medication used to treat high blood pressure. Studies show that some of the common side effects are dizziness, headache, and rarely fainting as a result of low blood. Certain high blood pressure drugs may even improve erectile dysfunction for some men. It's known that diuretics (or water pills, like hydrochlorothiazide ) and beta-blockers (like Atenolol ) can. Amlodipine is used with or without other medications to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks , and kidney problems. For over 25 years, brand-name NORVASC has helped treat high blood pressure (hypertension), certain types of chest pain (angina), and blocked arteries of the heart (coronary artery disease). NORVASC tablets are a prescription medicine to treat high blood pressure (hypertension), and certain types of chest pain (angina) and blocked arteries of the heart (coronary artery disease). NORVASC can be used by itself or with other medicines to treat these conditions. Norvasc is a calcium channel blocker (CCB) prescribed for the prevention and treatment of heart pain or chest pain from angina, and for the treatment of high blood pressure. Blood Pressure Home Norvasc Side Effects It is possible that Norvasc side effects may occur, but they are generally mild and do not usually require medical attention. Some of the most common Norvasc side effects seen include water retention, fatigue, and dizziness. High blood pressure comes from blood pushing too hard against your blood vessels. NORVASC relaxes your blood vessels, which lets your blood flow more easily and helps lower your blood pressure. Drugs that lower blood pressure lower your risk of having a stroke or heart attack.