JOSH SHER / SCIENCE PHOTO LIBRARY JOSH SHER / SCIENCE PHOTO LIBRARY
Antihypertensive drugs. Box and blister packs of Methyldopa pills used to treat high blood pressure (hypertension). Each pill contains 250 milligrams of methyldopa. This drug acts on the brain centres which control the cardiovascular system. It dilates blood vessels, reducing their resistance to blood flow, which reduces blood pressure. Side-effects may include drowsiness, depression and liver damage.
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