Possible side effects:

• Very long bleeding, up to 36 hours
• Redness or swelling in the area of the bite woundSwelling of the lymph nodes and the treated body part
• allergic or inflammatory reactions
• itching
• fatigue

When should you not use leech therapy?

• Anemia
• bleeding disorders
• Diabetes mellitus
• fever
• Histamine allergy
• Cachexia (extremely poor general condition)
• leukemia
• stomach ulcer
• Malignant tumors
• Taking blood coagulating, blood thinning and mercury-containing medications or pain relievers