Muscle cramps can occur in any muscle- legs, feet, arms, hands, back- and can occur day or night. Muscle cramps become more common as we age and are not typically a sign of something harmful; however, if they are persistent, you should be evaluated by your physician. Common causes of muscle cramps: 1. Dehydration. First, ensure you are drinking enough water throughout the day. If you choose to drink only coffee, tea, soda, juices and alcohol, you can cause your muscles to cramp. You must remain hydrated and include water throughout the day to avoid muscle cramps. 2. Medication side effects . Medications such as diuretics, Lasix (furosemide) is the most common, can cause muscle cramps. Some people experience cramps with statins, such as Lipitor (atorvastatin) or Zocor (simvastatin), or the heart medication Procardia (nifedipine). If cramps begin just after starting a new medication, you should discuss the possibility of side effe...