“…The increased cellular permeability syndrome is the etiologic factor for a wide variety of chronic conditions that are refractory to standard therapies that have in common very good improvement following treatment with dextroamphetamine sulfate [15,16]. The conditions that improve include pelvic pain of various types, with or without the presence of endometriosis, and migraine headaches, chronic fatigue and fibromyalgia (as seen in the patient described), neuromuscular disorders, bowel motility disorders (e.g., achalasia, gastroparesis, or pseudointestinal obstruction), chronic urticaria, arthritis, and chronic regional pain syndrome.…”