Case guide

UPDATED FEB 2026

Hernia Mesh Chronic Pain — Inguinodynia Claims

Part of the Hernia Mesh (Davol/C.R. Bard) investigation

The short answer

Chronic groin pain (inguinodynia) following hernia mesh repair affects an estimated 10 to 30 percent of patients in some surgical registry studies and is the most common basis for hernia mesh legal claims. Nerve entrapment by mesh fixation devices and mesh contracture are the primary mechanisms.

Chronic pain claims are legally cognizable even without revision surgery.

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Inguinodynia — A Recognized Medical Complication

Inguinodynia is chronic pain in the inguinal (groin) region persisting for more than 3 months after inguinal hernia surgery. The International Association for the Study of Pain recognizes inguinodynia as a distinct chronic pain syndrome following groin surgery. Surgeons and pain specialists distinguish between nociceptive inguinodynia — pain from tissue damage, inflammation, or mechanical irritation — and neuropathic inguinodynia, which is pain arising from nerve injury or entrapment. Mesh-related inguinodynia is typically neuropathic in character and is therefore among the most treatment-resistant chronic pain syndromes encountered in general surgical practice.

How Mesh Causes Nerve Injury

Three mechanisms account for the majority of mesh-related nerve injury in inguinal repairs. Direct mechanical trauma occurs when tacks or staples used to fix the mesh puncture or compress a nerve during placement. Entrapment occurs as fibrotic scar tissue matures around the mesh and incorporates nerve branches into the fixed scar matrix. Tension injury occurs as shrinking mesh pulls fixation points tighter and stretches nerve segments. All three mechanisms can coexist in the same patient, complicating treatment because addressing one does not necessarily resolve the others.

Treatment for Mesh-Related Chronic Pain

The treatment algorithm for mesh-related inguinodynia typically begins with conservative measures — neuropathic medications (gabapentin, pregabalin, duloxetine), selective nerve blocks, and physical therapy. When conservative treatment fails, surgical options include neurectomy (intentional surgical division of the painful nerve), mesh removal combined with neurectomy, or both. Even after surgical intervention, complete pain resolution is not guaranteed because central sensitization — a process by which the brain becomes sensitized to pain signals and amplifies them — can perpetuate pain even after the peripheral nerve injury is addressed.

Documenting Chronic Pain for a Legal Claim

Chronic pain claims without revision surgery are legally viable but require strong documentation to support a meaningful settlement tier placement. Essential documentation includes: physician notes recording pain complaints at post-operative visits; pain specialist consultation records; prescription records for neuropathic pain medications; records of nerve block procedures; diagnostic imaging reports; and any functional capacity evaluations. A detailed pain diary maintained by the patient — documenting daily pain levels, activities limited by pain, and emotional impact — is compelling evidence that attorneys can use in settlement negotiations and trial preparation.

Key data

Data & Statistics

3 SOURCED FIGURES

10–30%

British Journal of Surgery / Annals of Surgery

3 months

International Association for the Study of Pain

50%

Hernia (peer-reviewed journal)

FAQ

Frequently Asked Questions

12 QUESTIONS

Hernia mesh litigation is a mass tort action against manufacturers of defective synthetic mesh implants used in hernia repair surgery. The primary defendants are Davol Inc. and C.R. Bard (now part of Becton Dickinson), Ethicon (a subsidiary of Johnson and Johnson), Atrium Medical, and Covidien (now part of Medtronic). These companies manufactured polypropylene and composite mesh devices that have been associated with serious complications including mesh migration, adhesion, infection, chronic pain, and bowel obstruction. Thousands of patients have filed claims in MDL 2846 in the Southern District of Ohio and in state court coordinations.

Dive deeper

Related Guides

11 GUIDES

The full investigation

Part of the Hernia Mesh (Davol/C.R. Bard) Investigation