Chronic Tic Disorder, also known as chronic motor or vocal tic disorder, is related to transient tic disorder and obsessive-compulsive disorder, and has symptoms including recurrent muscle twitches (symptom) An important gene associated with Chronic Tic Disorder is SLITRK1 (SLIT And NTRK Like Family Member 1), and among its related pathways/superpathways are Protein-protein interactions at synapses and Methylphenidate Pathway, Pharmacodynamics. The drugs Amoxicillin and Levetiracetam have been mentioned in the context of this disorder. Affiliated tissues include brain and globus pallidus, and related phenotypes are nervous system and growth/size/body region