By Advanced Pain Care Complex Regional Pain Syndrome (CRPS) is a condition where you have pain in your upper and lower extremities (arms, legs, hands, and feet). Doctors do not quite know the cause of this condition. Still, most believe it is usually caused by an injury to the peripheral (nerves outside the brain and spinal cord) and central nervous systems (CNS) (consisting primarily of the brain and spinal cord nerves).   According to studies, tissue trauma due to injuries may stimulate the immune system to release inflammatory chemicals into the affected area. According to other research, the cause may be to impair

By Ryan Jacobs M.D. Migraines are a type of headache that presents in a series of stages. There is a prodrome stage which is usually characterized by fatigue, nausea, and sensitivity to light and sound. During this phase, you could also experience neck stiffness or sleep problems.  In some individuals, you could also experience the aura stage. The aura stage is characterized by numbness and tingling in various parts of the body and vision changes. Most people, if not all, migraine sufferers will experience the headache stage, characterized by throbbing, pulsating, debilitating pain around the head, along with nausea, vomiting, and sensitivity