Myotonic Disease, also known as myotonic disorders, is related to myotonic dystrophy 2 and myotonia, and has symptoms including muscle cramp, muscle rigidity and muscle spasticity. An important gene associated with Myotonic Disease is DMPK (DM1 Protein Kinase), and among its related pathways/superpathways is Adipogenesis. The drugs Lamotrigine and Diclofenamide have been mentioned in the context of this disorder. Affiliated tissues include skeletal muscle and pituitary, and related phenotype is muscle.