Bilateral calcaneal insufficiency fractures due to chronic carbamazepine use for trigeminal neuralgia: A case report

We report here a 41-year-old lady suffering from bilateral heel pain without trauma history. Her complaining did not respond to analgesics and stretching exercises of plantar fascia. In her past medical history she reported ongoing carbamazepine (CBZ) use over 8 years for trigeminal neuralgia. She had had low bone mineral density; defined as osteopenia. Both calcaneus MRI revealed bilateral stress fractures of calcaneum. She had been advised immobilization for 6 weeks, vitamin D and calcium supplements. CBZ has been stopped by neurology specialist and she had undergone microvascular decompression surgery for intractable pain of trigeminal neuralgia. She is doing well with full recovery from heel pain and trigeminal neuralgia at the end of one year. CBZ use causes poor bone quality through vitamin D metabolism. Heel pain without traumatic event, objective findings of plantar fasciitis and calcaneal spur syndrome in an CBZ using patient insufficiency fracture of calcaneus should be remembered and evaluated rigorously.
Source: Nigerian Journal of Clinical Practice - Category: Rural Health Authors: Source Type: research

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