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Dizziness is a frequently reported symptom following head trauma. Although often ascribed to concussion, post-traumatic benign paroxysmal positional vertigo (BPPV) must be included in the differential diagnosis. In this article, three patients who attended a neurology outpatient clinic with persistent dizziness following head trauma were ultimately diagnosed with post-traumatic BPPV. Dizziness lessened substantially once a canalith repositional manoeuvre was performed. Patients with post-traumatic BPPV are generally younger, report more severe symptoms and have a higher rate of relapse. Diagnosing post-traumatic BPPV can be challenging due to the presence of more urgent injuries in the initial phase and the habitual attribution of symptoms to concussion. A timely diagnosis is crucial, however, since treatment is easy to perform, non-invasive and effective.

Approximately 34-65% of patients with multiple sclerosis (MS) are confronted with cognitive problems sooner or later. These include problems with the speed of information processing, memory, attention and executive functioning. Cognitive problems in patients with MS are currently often not examined on a routine basis and therefore remain unrecognised, or are not recognised in time. This may have a negative impact on their work and lead to social problems. In this article, we talk about the importance of early recognition of cognitive problems in patients with MS. Routine questioning about cognitive problems and the use of a short screening test are first steps in the right direction.