Leeches are effective at increasing blood circulation and breaking up blood clots. It should be no surprise that they can be used to treat circulatory disorders and cardiovascular disease. Chemicals derived from leech saliva have been made into pharmaceutical drugs that can treat: hypertension.
Leech therapy (also known as Hirudotherapy) is a natural, safe treatment which utilizes the healing properties of leeches. The healing properties of leeches have been known for hundreds of years. Leeches were used during medieval times because they were known to heal infections, before antibiotics were discovered.
Medicinal leech therapy (MLT) or hirudotherapy is a kind of complementary and integrative treatment method applied with blood-sucking leeches. One or more leeches are attached to the skin of problematic area and the purpose is to gain potential utilities of leech saliva that is secreted while the leeches are feeding.