There are numerous potential causes of fatigue as a major complaint. They range from those that cause poor blood supply to the body's tissues to illnesses that affect metabolism, from infections and inflammatory diseases to those that cause sleep disturbances. Fatigue is a common side effect of many medications. While numerous patients with psychological conditions often complain of fatigue (physical and mental), there are also a group of patients where the cause of fatigue is never diagnosed. The following table summarizes some common causes of fatigue but is not meant to be comprehensive:
On July 1, 2015, FDA published an Advance Notice of a Proposed Rulemaking (ANPRM) regarding the regulation of products containing liquid nicotine.
The rules, which will take effect June 22, are part of broad new powers Congress granted to the FDA last year, when it passed landmark legislation to regulate the $89 billion tobacco industry.