The bloodshot appearance is due to the irritation and dilation of the surface blood vessel in the eye. Other symptoms can accompany the red appearance, like itching, soreness, discharge and even blurred vision. These symptoms could indicate a more serious problem.
The list of possible medications or substances mentioned in sources as possibe causes of Heart block includes: 1  Beta-adrenergic blockers. 2  Digitalis. 3  Flecainide. Flecatab. 4  Flumadine. Quinidine. 5  Rimantidine. Tambocor.
Many different medications are used in the treatment of heart failure. They include: 1  Angiotensin-converting enzyme (ACE) inhibitors. 2  Angiotensin-receptor blockers (ARBs). 3  Beta blockers. 4  Diuretics. 5  Aldosterone blockers. 6  Digitalis. 7  Hydralazine and nitrates.ldosterone is a hormone that is critical in controlling the body's balance of salt and water. Excessive levels may play important roles in hypertension and heart failure. Drugs that block aldosterone are prescribed for some patients with symptomatic heart failure.