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Leech therapy

Leech therapy (hirudotherapy) — application by Ministry-certified physicians using medical leeches raised in special laboratories.

Medical leech therapy applied for selected indications under the Traditional and Complementary Medicine regulations, primarily for circulatory support after FDA-approved reimplantation.

Indication

  • Venous congestion after reimplantation and flap surgery (FDA-approved)
  • Superficial venous circulation problems (adjunctive treatment)
  • Local application in osteoarthritis of the knee and base of the thumb (selected cases)
  • Supportive treatment in some dermatologic conditions
  • Complementary approach in chronic muscle pain

Preparation

  • Complete blood count, hemoglobin, and coagulation tests
  • Use of anticoagulants, anemia, and bleeding disorders are reviewed
  • The application area is cleaned of cream, perfume, and soap residues
  • Allergy history (especially to hirudin) and immune status are evaluated
  • Pregnancy, advanced anemia, and immunosuppression are reviewed as contraindications

How it's performed

  1. Only single-use medical leeches raised in controlled laboratory conditions are used
  2. The skin is gently cleaned; the area is warmed to facilitate leech attachment
  3. The leeches are placed at the appropriate site with sterile forceps
  4. Feeding usually takes 30-90 minutes; the leeches detach on their own when full
  5. After the procedure, the leeches are disposed of as medical waste; they are never reused
  6. The area is closed with a sterile dressing; oozing-type bleeding may continue for 6-24 hours

Post-procedure

  • The dressing is changed within 24 hours as soon as the oozing stops
  • Hemoglobin values are monitored in repeated treatments
  • Mild itching or redness in the area may persist for 1-2 weeks
  • The treatment plan is determined individually by the physician; frequency varies
  • If marked redness, warmth, or fever develops at the site, immediate evaluation is required

Risks

  • Prolonged oozing-type bleeding (an expected but monitored finding)
  • Local allergic reaction (itching, redness)
  • Bacterial infection (especially Aeromonas) — prophylactic antibiotics may be needed
  • Anemia (with repeated treatments)
  • A small permanent scar may remain at the site

FAQ

Are leeches safe — can they transmit disease?

Only single-use medical leeches raised in licensed laboratories under sterile conditions are safe. Leeches collected from natural aquatic environments carry serious infection risk and are not used.

Does hirudotherapy work for every disease?

No. Its strongest evidence-based indication is venous congestion after digit replantation or tissue flap surgery. Evidence for other uses is limited and they may be considered as adjunctive therapy after physician evaluation.

Is the same leech used again?

Never. Each leech is used once on a single patient and is then disposed of according to medical waste protocols.

Why is there oozing after the treatment?

Due to hirudin in the leech secretion, the wound oozes for several hours. This is expected and is usually controlled with a dressing; if it does not stop, physician evaluation is required.

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