The major complaint of those who use the Atkins diet is the intestinal problems that are associated with reducing carbohydrates. These problems can include constipation and diarrhea. These symptoms can happen to anybody at some point, but those who follow a low-carb diet are especially prone.
Reactive arthritis is an uncommon disease that causes inflammation of the joints and, in many cases, other areas, particularly the urinary tract and eyes. It is triggered by an infection, usually by a sexually transmitted organism or by certain gastrointestinal bacteria.
1 Reactive arthritis can affect the heels, toes, fingers, low back, and joints, especially of the knees or ankles. 2  Though it often goes away on its own, reactive arthritis can be prolonged and severe enough to require seeing a specialist. 3  Effective treatment is available for reactive arthritis.