Several factors can trigger restless leg syndrome (RLS) flare-ups, including alcohol, caffeine, and deficiencies in nutrients like iron, vitamin B12, and magnesium. Taking some drugs for allergies, ...
Medically reviewed byDr. Beverly Timerding, M.D. Restless legs syndrome (RLS) is a common sleep disorder that affects up to 10 percent of adults and up to 4 percent of children in the United States.