Last updated on October 26, 2025
Yes, it is allowed. In Germany, leeches are officially classified as medical devices and may be used in hospitals under regulated conditions for approved therapeutic purposes.
Leeches in the Operating Room: A Legal and Medical Reality
In the age of robotic surgery and AI diagnostics, it might come as a surprise that one of Germany’s approved medical tools is a creature that slithers and sucks blood. Yet, in hospitals across the country, leeches are not only legal—they’re licensed, regulated, and used in some of the most delicate surgical procedures.
Germany’s medical system is known for its precision and high standards, and its approach to leech therapy is no exception. Far from being a medieval throwback, the use of leeches in modern German hospitals is a carefully controlled practice, grounded in science and governed by law.
Why Leeches Still Matter in Modern Medicine
The medicinal leech, Hirudo medicinalis, has been used for centuries to treat a variety of ailments. Today, its role is far more specialized. In Germany, leeches are primarily used in reconstructive and plastic surgery to relieve venous congestion—when blood pools in tissues after surgery, threatening the survival of grafts or reattached limbs.
The leech’s saliva contains a cocktail of biologically active substances, including hirudin, a powerful anticoagulant that prevents blood clotting. This allows blood to flow freely from congested tissues, reducing pressure and promoting healing. It’s a natural solution to a very modern medical problem.
Legal Status: From Swamp to Surgical Suite
In Germany, leeches are not considered drugs but are instead classified as medical devices. This classification falls under the European Union’s Medical Device Regulation (MDR) 2017/745, which Germany enforces through its national Medical Device Law Implementation Act (MPDG). The Federal Institute for Drugs and Medical Devices (BfArM) oversees the regulation of such devices, ensuring they meet strict safety and efficacy standards.
Manufacturers of medicinal leeches must comply with the same requirements as those producing surgical instruments or implants. This includes demonstrating the intended medical purpose, ensuring hygienic breeding and packaging, and registering the product with the appropriate authorities.
Hospitals and Handling: A Regulated Practice
Hospitals that use leeches must follow detailed protocols. The leeches are sourced from certified suppliers and are used only once before being disposed of as biohazardous waste. Medical staff are trained in their application, and patients are informed about the procedure and its benefits.
The use of leeches is not widespread across all departments but is concentrated in specialized surgical units. Their application is typically reserved for cases where conventional treatments are insufficient, and their use is always based on medical necessity and patient consent.
Advice for Patients and Visitors
If you’re receiving treatment in a German hospital and leech therapy is recommended, rest assured—it’s not an experimental or fringe practice. It’s a medically recognized procedure, regulated by national and EU law. Doctors will explain the process thoroughly, and your consent is required before any treatment begins.
For the curious traveler or medical tourist, Germany’s embrace of leech therapy is a fascinating example of how ancient remedies can coexist with cutting-edge medicine. It’s a reminder that sometimes, the best solutions come from nature—when guided by science.
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Sources
BfArM – Medical Devices
https://www.bfarm.de/EN/Medical-devices/_node.html
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BfArM – Laws and Regulations
https://www.bfarm.de/EN/Medical-devices/Overview/Laws-and-ordinances/_node.html
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