DDx ⬇
- Ingrown toenail
- Bunions, corns, calluses, warts
- Plantar fasciitis
- Morton's neuroma
- Metatarsalgia, eg, rheumatoid arthritis
- Pes planus (flatfoot)
- Bursitis of first metatarsophalangeal (MTP) joint (inflamed bunion)
- Metatarsal stress fracture
- Arthritis, eg, gout, psoriatic arthritis, rheumatoid arthritis, osteoarthritis
- Poorly fitting shoes
- Lumbar disk herniation
- Achilles tendinitis
- Retrocalcaneal bursitis
- Tarsal tunnel syndrome
- Peripheral neuropathy, eg, diabetes mellitus, alcoholism
- Arterial insufficiency
- Diabetic or arterial insufficiency ulcer with or without osteomyelitis
- Polyarteritis nodosa, thromboangiitis obliterans (Buerger's disease), Raynaud's syndrome
- Erythromelalgia
Related DDx ⬆