Background A 56-year-old woman was referred to a neurogenetic clinic with a history of stiffness and transient weakness. A previous needle electromyogram had confirmed the presence of myotonia, but a ...

Gamstorp specifically excluded clinical myotonia from her syndrome: "The typical inability to relax after a muscle contraction in myotonia congenita is not seen during or between attacks of adynamia ...

Children with rare inherited myotonic disorders in Europe may soon gain access to a treatment already used in adults. The European Medicines Agency’s (EMA’s) Committee for Medicinal Products for Human ...

The study, published in Lancet Neurology, detailed the "head-to-head" trial implemented by the researchers to test two drugs, mexiletine and lamotrigine, on people with the condition. The trial, which ...