Muscle cramps can strike suddenly and leave you in sharp, uncomfortable pain. Whether it happens in your calf while walking, your foot at night, or your thigh during exercise, cramps often feel unpredictable and frustrating. One of the most common assumptions is that muscle cramps are caused by dehydration, but that’s only part of the story. In reality, cramps can have multiple triggers, and understanding the cause is key to preventing them in the ...