“… 3 Regardless of the fact that these were rarely the initial symptoms of the disease, in a limited sample, 79% of patients with recently diagnosed hypothyroidism experienced of weakness, fatigue, cramps, and myalgias. 4 Our case, although similar to previous reports in generalized weakness and progressive myalgia, she was the first case presenting with polymyositis typical signs and symptoms caused by hypothyroidism. Nonspecific muscle stiffness or diffuse muscle pain are frequent symptoms of hypothyroidism, which may be in correlation with an increase in the levels of muscle enzymes 5 ; however, to date, there is no report of inability to walk or complete functional impairment.…”