Sesamoiditis: Pain Under the Big Toe (Treatment Guide)
Sesamoiditis is inflammation of the sesamoid bones (two small pea-shaped bones under the big toe joint). Common in dancers, runners, basketball players. Treatment: rest 2-6 weeks, custom orthotic with sesamoid cutout, J-pad, walking boot for severe cases. Most resolve in 6-12 weeks. Surgical removal (sesamoidectomy) only as last resort — alters foot mechanics.
What Is Sesamoiditis?
Two small bones (medial and lateral sesamoids) sit under your big toe joint, embedded in the tendon that flexes your big toe. They act like kneecaps for your big toe. Inflammation, stress fracture, or osteonecrosis of these bones causes pain with every step, especially toe-off.
Causes and Risk Factors
Repetitive impact (running, dance, basketball), high arches, sudden activity increase, bone bruise from impact, stress fracture, osteonecrosis (avascular necrosis). More common in dancers en pointe, sprinters, basketball players.
Treatment Hierarchy
1. Activity reduction 2-6 weeks. 2. Stiff-soled shoes (limit big toe flexion). 3. Custom orthotic with sesamoid cutout (relieves pressure on the affected bone). 4. J-pad placement. 5. Walking boot for severe cases (4-6 weeks). 6. Cortisone (limited). 7. Surgical sesamoidectomy (last resort — single sesamoid only). Custom orthotics →
Frequently Asked Questions
How long does sesamoiditis take to heal?
6-12 weeks for most cases. Stress fractures of sesamoid: 3-6 months.
Can I run with sesamoiditis?
Reduce mileage and run on softer surfaces. Stop if pain worsens during run.
Is sesamoid surgery a good option?
Last resort. Removing a sesamoid permanently alters big toe mechanics. Try all conservative options first.
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Related reading: Plantar Fasciitis Secrets — our complete heel pain guide: what works and what to avoid.