hypertension
...uction of angiotensin II, a substance which causes the blood vessels to constrict. By allowing the blood vessels to remain open, ACE inhibitors reduce the resistance encountered by the blood as it moves through the system, reducing blood pressure. Some drug examples include captopril, ramipril, and perindopril. Some side effects include coughing, shortness of breath, fainting, headache, vomiting, and chest pain. · calcium channel blockers- The expansion and contraction of the heart and smooth muscles of the blood vessels are dependent on the movement of calcium into muscle cells. By barring calcium from entering the muscle cells of the heart and blood vessels, they make the blood vessels relax, while increasing the blood supply to the heart, bringing more oxygen to the tissues, and decreasing the heart's workload. Commonly prescribed drugs include verapamil, nifedipine, and amlodipine. Side effects may include edema in the lower legs, fatigue and stomach discomfort. · beta blockers- They make fewer nerve impulses happen in the heart and blood vessels. This slows the heart, which beats less often and with less co...