Correlation between demographic and clinical variables and ...
ABSTRACT. INTRODUCTION: Fibromyalgia (FM) is a rheumatic condition characterized by a picture of generalized chronic pain, hyperalgesia, and allodynia. Symptoms such as fatigue, sleep disorders, morning stiffness, headache, and paresthesia can also be present. It is also associated with other comorbidities, such as depression, anxiety, irritable bowel syndrome, myofascial pain syndrome, and ...