What Are Your Muscle Cramps Telling You? Causes, Symptoms, and Treatment

Muscle cramps—those sudden, sharp pains that stop you in your tracks—are more than just painful. They can be your body’s way of telling you something is wrong. Whether you’re an athlete or simply enjoying time outdoors, understanding what your muscle cramps are telling you is important. It can help you stay healthy, hydrated, and active. 

What Are Muscle Cramps?

A muscle cramp is a sudden, involuntary contraction of one or more muscles, often occurring in the legs, feet, or hands. These cramps can last from a few seconds to several minutes and are commonly called a “charley horse.” They are especially prevalent during or after physical activity in hot weather. 

Common types of muscle cramps include:

• Exercise-associated cramps: Often triggered by prolonged physical activity. 
• Nocturnal leg cramps: Occur at night, frequently in the calves due to reduced blood flow. 
• Heat cramps: Linked to dehydration and electrolyte loss in hot environments. 

Muscle Cramps vs. Muscle Spasms

While often used interchangeably, muscle cramps and spasms are different. A muscle spasm is a quick, involuntary twitch, while a cramp is a prolonged, painful contraction. Cramps are typically more intense and can interfere with movement or sleep. 

“Muscle cramps are often a sign that your body is out of balance—whether it’s hydration, electrolytes, or overuse,” says Haley Wyatt, DAT, LAT, ATC, a certified athletic trainer with Covenant Health’s sports medicine program. “Understanding the root cause is key to effective treatment.” 

What Causes Muscle Cramps?

There are several factors that commonly contribute to muscle cramps: 

• Dehydration: Losing fluids through sweat without replenishing. 
• Electrolyte Imbalance: Low levels of potassium, magnesium, calcium, or sodium. 
• Muscle Fatigue: Overexertion or prolonged activity. 
• Poor Circulation: Reduced blood flow to muscles. 
• Pregnancy: Hormonal changes and added weight. 
• Medical Conditions: Diabetes, nerve compression, or thyroid disorders. 
• Medications: Diuretics, anticholinergics, SSRIs, and others. 

Read our blog post on heat-related illnesses to learn more about how to stay safe during the summer months.  

Why Do They Often Happen At Night?

Nocturnal leg cramps are common. Our bodies naturally experience reduced circulation during sleep, increasing the likelihood of cramping. Combined with factors such as prolonged inactivity and awkward sleeping positions, many people experience intense nighttime cramps.  

Who is At Risk?

Environmental factors such as humidity and excessive heat can put anyone at risk of muscle cramps. However, there are several groups at a higher risk: 

• Anyone over 50 years of age 
• Athletes 
• Pregnant women 
• People with underlying  conditions (ex. thyroid or nerve disorders) 
• Those taking diuretics or statins 
• Individuals in poor physical condition 
• Workers in physically demanding jobs (ex. factory or construction workers) 

How to Treat Muscle Cramps

When a cramp strikes, try these remedies: 

• Stretch and massage the affected muscle 
• Apply heat to relax  or cold to ease soreness 
• Hydrate with water or an electrolyte-rich drink 
• Take magnesium or potassium supplements (consult your doctor first) 
• Try dry needling or Astym® therapy for chronic or recurring cramps

How to Prevent Muscle Cramps

Prevention is all about preparation. These few tips and tricks can help you avoid painful cramping: 

• Stay hydrated, especially in the heat 
• Eat a balanced diet rich in potassium, magnesium, and calcium 
• Warm up and stretch before and after exercise 
• Avoid overexertion in hot weather 
• Try natural remedies like pickle juice or bananas 

“While stretching and massage can be a great retroactive treatment for muscle cramps, being proactive about hydration and nutrition is a great way to prevent muscle cramps,” said Wyatt. “Sometimes just drinking water isn’t enough. Maintaining and replenishing your electrolyte levels—specifically potassium, sodium, and magnesium—is essential for keeping the muscle cramps at bay.” 

When to See a Doctor

Occasional cramps are normal, but if they become frequent, severe, or interfere with your daily life, it’s time to talk to a professional. Persistent cramps could signal an underlying condition that needs medical attention. 

Covenant Health offers a full range of care—from primary care to physical therapy—to help you feel your best. Whether you need help managing chronic cramps or recovering from a sports injury, our team is here for you. Find a doctor near you and schedule an appointment today.