15 Causes of Evening Leg Cramps

15 Causes of Evening Leg Cramps

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Leg cramps are a harmless and common condition where your leg muscles suddenly get painfully tight. Most people experience this in their calf muscles, but it can happen in any part of your leg or feet. Sometimes, after the cramp gets better, you’ll still feel a soreness in the area of cramping. Many people complain of leg cramps during the night.

Why is this situation called a charlie horse?

The painful, sudden muscle spasm you get in your legs is called a charlie horse. Supposedly, this name originated from a Hall of Fame baseball player, Charlie “Old Hoss” Radbourn, who experienced frequent leg cramps while playing in the 1880s. The nickname caught on with fans and has gained favor ever since.

Fifteen Causes of Leg Cramps and How to Fix Them

Some of these are surprising.

leg cramps

1 – Muscle overuse and lack of recovery time

Nighttime Charlie horses could indicate you’re overdoing it at the gym. Strenuous exercises put extra stress on your muscles. You may not allow your muscles enough time to rest between your high-intensity workouts. High-intensity workouts create lots of tiny tears in your muscles. As these wounds heal, they cause your muscles to get stronger. Not allowing enough time for your muscles to recover adds extra stress on them, leading to leg cramps. If you enjoy working out, give your body time to repair and rest. This should eliminate the nighttime leg cramps.

2 – Dehydration causes leg cramps

Your body comprises 60% water. You need to constantly replenish your body fluids throughout the day, especially if it’s hot outside or exercising. Leg cramps at night are often because of dehydration. If you’re outside in the hot weather or exercising a lot and not drinking enough, increase your water intake. You may want to drink an electrolyte drink that contains extra potassium. These can help replenish essential minerals lost through dehydration, so the Charlie horse goes away.

3 – Nerve damage

Having nighttime leg cramps could be a symptom of early-onset diseases, such as nervous system disorders such as Parkinson’s disease. Nerve damage can also occur because of a car accident or other injury in sports. Some infections can lead to nerve damage, which may also cause leg cramps. If you’re experiencing painful nighttime Charlie horses, discuss it with your doctor. They can do tests to determine if any of these reasons could cause your nerve damage.

4 – Pregnancy often causes leg cramping

Leg cramping is common during pregnancy. This is because of all the circulatory changes your body goes through, especially in the second and third trimesters. Cramping may also be because of the stress on your muscles as your stomach grows. It’s safe to exercise while pregnant, as long as you don’t strain your muscles. Exercise helps you control your weight and strengthen muscles over the months. Be sure to drink water to stay hydrated.

5 – Certain medications cause cramping

Some medications cause evening discomfort. They usually list these side effects on the medicines. Statin medication, taken to help treat high cholesterol, is one of the most common medications that may cause cramping side effects. Other drugs that may cause leg cramps to include the following:

  • Zyrtec
  • Aleve
  • Lyrica
  • Zoloft
  • Wellbutrin
  • Celebrex
  • Xopenex
  • Combivent

6 – Fatigue

If you’re exhausted and not sleeping enough, it takes a toll on your body. Rest allows your muscles time to rest and recover. If you’re having leg cramps at night, you may not be getting enough sleep. You may be overly tired, and it’s showing up through cramping at night. Attempt to get at least 7 hours of sleep every night. Take time to rest your body and mind. You should notice a change in fewer leg cramps.

7 – Cirrhosis can cause leg cramps

Liver disease causes leg cramps. Cirrhosis is the scarring of your liver because of lifestyle choices like alcoholism or an infection. Although the liver can regenerate itself, permanent damage can occur. If you have liver disease, you may experience chronic leg cramps because of the medications used to treat this condition. If the cramping is getting worse, talk to your doctor about ways to find relief.

8 – Chronic Kidney disease

People who suffer from chronic kidney disease (CKD) are prone to leg cramps. CKD erodes your kidney function so that toxins build up in your blood. The CKD mineral and chemical imbalances cause nighttime leg cramps and spasms. These may be because of the medications for CKD, so speak with your doctor about your cramping, and they can adjust your medications to help you ease the cramping.


9 – Age impacts evening leg cramps

As you age, you’re more prone to leg cramps. Older muscles get tired and are sensitive to fluid changes, leading to dehydration and leg cramps. Women are more prone to leg cramps as they age than men. One study found that older people in better shape were less apt to experience nighttime leg cramps. As you age, it’s essential to stay in shape with exercise and healthy eating. These things associated with nighttime leg cramps predicted less severe cramps that didn’t interrupt sleep.

10 – Peripheral artery disease

Individuals with circulation disorders are prone to nighttime leg cramps. This condition causes narrowing of your arteries, so your blood circulation is reduced. Often, people with PAD have cold extremities, with numbness or weakness in their feet and legs. If you have PAD, be sure to get exercise to aid your circulation to your extremities. Speak to your doctor about your cramping to see what else you can do to ease the pain of nighttime leg cramps.

11 – Anemia might trigger cramping of the legs

Anemia affects your body’s ability to produce hemoglobin, a protein found in red blood cells. This protein carries oxygen to all of your body. If you’re low in hemoglobin, you’ll be anemic. You may need treatments to improve the oxygen flow in your body. They usually do this with medications such as iron supplements or infusions if your anemia is terrible. Anemia side effects are nighttime leg cramps. If you’re experiencing leg cramps at night for no apparent reason, get tested for anemia. Other symptoms of anemia include:

  • Fatigue
  • Pale skin
  • Weakness
  • Headache
  • Dizziness
  • Cold feet and hands
  • Headaches
  • Brittle nails
  • Shortness of breath
  • Chest pain

12 – Diuretics

Taking diuretics puts you at a higher risk for leg cramps. Individuals with high blood pressure often take diuretics. This medication helps reduce the fluid around your heart, which drops your blood pressure. Although diuretics are helpful, they have side effects like nighttime leg cramps. They can cause a fluid imbalance in your body, causing you to become dehydrated. If you’re taking diuretics, be sure to monitor them to keep the proper water balance in your body. Usually, a simple change to your diuretic will eliminate your nighttime cramping.

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