The goal of treatment is to control chest pain and to prevent heart attack. Nitroglycerin or other nitrate medications may be prescribed to relieve chest pain. Calcium-channel blockers may be chronically needed. These medications widen the blood vessels to improve blood and oxygen flow. Medications may also include beta-blockers; however, in some individuals, beta-blockers may be harmful. 
What are the treatments for Prinzmetals variant angina ?