The AI answer is accurate, and ensuring that your potassium, calcium, and magnesium levels are normal is important. In addition to diuretics and prednisone, beta-agonist meds used for asthma/COPD can cause these cramps.
For those of us over age 60 or so, nighttime leg cramps of unclear cause can occur, and stretching the leg muscles, especially in the back of the leg, at bedtime can help prevent them. There's some evidence that certain vitamin supplements or prescription meds may help if you don't get adequate relief from stretching.
Waking up with severe cramps in your feet and calves is something many people with lupus experience — and honestly, it can be both lupus-related AND medication-related. The tricky part is figuring out which one (or both) is the culprit.
A MyLupusTeam member described it perfectly: "I have them so bad that they wake me up out Show Full Answer