Hypertrophic Osteoarthropathy, Primary, Autosomal Recessive, 1, also known as cranioosteoarthropathy, is related to primary hypertrophic osteoarthropathy and secondary hypertrophic osteoarthropathy, and has symptoms including arthralgia, flushing and metatarsalgia. An important gene associated with Hypertrophic Osteoarthropathy, Primary, Autosomal Recessive, 1 is HPGD (15-Hydroxyprostaglandin Dehydrogenase). The drugs Etoricoxib and Narcotics have been mentioned in the context of this disorder. Affiliated tissues include bone and skin, and related phenotypes are abnormal cortical bone morphology and abnormal skull morphology