Adult butterflies also use color to their advantageânot only to blend in but also to warn. For instance, the adult monarch sports a bright orange color and distinctive pattern, a red flag to potential predators that it's distasteful and toxic.
Drugs to improve blood flow for people who have poor blood circulation in the veins of their legs. Background. Insufficient blood circulation in the veins of the legs might be caused by genetic factors, may occur after trauma, or may result from a blood clot. Poor movement of blood up the legs may cause swelling and puffiness, feelings of heaviness, tingling, cramps, pain, varicose veins and changes in skin pigmentation. If severe insufficient blood circulation occurs, ulcers and skin wasting can develop. Drugs such as natural flavonoids extracted from plants and similar synthetic products may improve blood circulation. These drugs are known collectively as venoactive drugs or phlebotonics.
There are four main types of medicine that doctors use to treat high blood pressure: ACE inhibitors: these medicines help to control hormones that affect blood pressure. Most of these medicines have names that end in âprilâ. Angiotensin receptor blockers (or ARBs): these also control hormones that affect blood pressure.ain Content: Types of blood pressure medicine. High blood pressure medication. There is a wide range of high blood pressure medicines. You can take more than one type of medicine because they each lower your blood pressure in different ways.