👉 Chlorothiazide is a medication used to treat high blood pressure. It works by lowering the amount of fluid in the blood, which can help lower blood pressure. Chlorothiazide has been developed for several years and it was approved by the FDA in 1974. Chlorothiazide belongs to a class of medications known as calcium channel blockers, which work by opening the channels that allow calcium ions (which are important for muscle contractions) to flow into blood vessels
