Dear Dr. Gott: I am writing to inquire about a medical condition that I have had for more than 15 years with no diagnosis determined. I'm a 63-year-old African-American female in good health except for allergies. The older I get, the worse the problem.

I have constant cramping in my legs, thighs, toes, hands, rib cage and arms. Lately, most of my cramping is happening at night when I go to bed. Both legs cramp up, and one of my feet twists to one side. These cramps are painful. I can turn over in the middle of the night and catch a cramp. I have had all types of blood work performed, and when my potassium was a little low, I was told to take a potassium pill. I cramped twice as much.

I have gone to internal-medicine doctors, rheumatologists, orthopedic specialists, family medical practitioners, OB-GYNs and cardiologists with no resolution.

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