Hirudotherapy excels in the treatment of migraine headaches. It is also quite useful with diseases of the peripheral nervous system in patients with acute stroke, with the trigeminal nerve, and polyneuropathy.
The leech creates a strong reflex action which acts as a muscle relaxant without causing damage to ligaments, tendons, or paraspinal muscles.
Hirudotherapy has a marked effect against swelling, which allows blood flow in previously affected areas. Leech saliva has a strong analgesic effect.