The complications of bone anchored hearing aids are very rare. The most seen postoperative complication is soft tissue reaction locally occuring around the titanium implant. Chronic headache is a rarely seen complication related to bone anchored hearing aids application. We presented a patient having complaints of chronic headache and burning sensation after bone anchored hearing aids application. Follow up for one year after the operation, despite the local and systemic therapies, there was no improvement of symptoms and the device was compulsorily removed. This rare complication of bone anchored hearing aids application is reviewied in the literature and probable reasons of failure are discussed.