Overdose symptoms may include warmth or tingly feeling, severe dizziness, and fainting. Continue to take Amlodipine and talk to your doctor if you experience serious side effects, stop taking Norvasc, as a slow reduction in the dose may be needed. Norvasc is used for the treatment and prevention of angina resulting from coronary artery spasm. Alcohol can further lower your blood pressure and chest pain but does not cure them. Norvasc is prescribed for angina, a condition characterized by episodes of crushing chest pain that usually results from a lack of oxygen in the heart muscle due to clogged arteries. Alcohol can further lower your blood pressure and chest pain. Norvasc is used for the treatment and prevention of angina resulting from coronary artery spasm. Do not take this medication without first talking to your healthcare provider. Amlodipine controls high blood pressure, you must take Norvasc regularly for it to be effective.