Leeches, which are used for the treatment of clinical symptoms in humans are called medicinal leeches and include Hirudo medicinalis, Hirudo verbana, Hirudo orientalis, Hirudo troctina, Hirudo michaelseni, Hirudinaria manillensi, Placobdella ornate and Macrobdella décora [3,4].

medicinal_leeches

Credit: Ulrich Kutschera

A. HISTORY
E. BIOLOGY
I. APPLICATION TO THE SKIN
M. CASE REPORTS
Q. MAINTENANCE IN THE CLINIC
V. EXTERNAL LINKS
B. LEECHES
F. THE SALIVA
J. THE BITE AND BITE REACTIONS
N. SIDE EFFECT
R. LEGAL CONSIDERATIONS
W. REFERENCES
C. MEDICINAL LEECHES
G. USE OF LEECHES IN MEDICINE
K. PROPHYLAXIS
O. CONTRAINDICATIONS
T. TRAINING COURSES
D. MORPHOLOGY
H. LEECHES IN PLASTIC SURGERY
L. TREATMENT
P. REMOVAL OF THE LEECHES
U. VETERINARY MEDICINE