It is a non-selective beta blocker indicated in the treatment of mild to moderate congestive heart failure. We have set benchmarks of success in the market by offering our clients Proflavine Hemisulfate. This drug blocks beta-1 and beta-2 adrenergic receptors as well as the alpha-1 adrenergic receptors. This drug is prescribed to treat high blood pressure and heart failure. It is also used after a heart attack to improve the chance of survival if your heart is not pumping well. Proflavine Hemisulfate works by blocking the action of certain natural substances in your body, such as epinephrine, on the heart and blood vessels.