5 diseases that cause swelling in the legs and feet

Learn more about “5 Conditions That Cause Swelling in the Legs and Feet” – Swelling, also known as edemais the accumulation of excess fluid in body tissues. It can occur on any part of the body, but it is most common on the legs and feet. Swelling can be caused by a variety of factors, including injury, infection, inflammation, and underlying medical conditions.

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Here are 5 medical conditions that can cause swelling:

1. Peripheral edema

Peripheral edema causes Swelling due to a disruption in the fluid balance between the blood vessels and the surrounding tissue. Normally, a small amount of fluid leaks from the blood vessels into the tissue. The lymphatic system then collects this fluid and returns it to the bloodstream.

However, in people with peripheral edema, something disrupts this process. This can be due to various factors including:

  • Increased pressure in blood vessels: This can occur in people with heart failure, kidney disease, or liver disease. When blood pressure is too high, more fluid is pushed out of the blood vessels and into the tissues.
  • Damaged veins: This can happen in people with venous insufficiency or varicose veins. When veins are damaged, they can no longer pump blood efficiently back to the heart. This can cause blood to pool in the legs and feet, allowing fluid to leak from the blood vessels into the tissues.
  • Clogged lymphatic vessels: This can happen due to an infection, an injury, or surgery. When lymphatic vessels are blocked, they cannot efficiently collect fluid from tissues and return it to the bloodstream. This can cause fluid to build up in the tissues, causing swelling.

Once fluid from the blood vessels enters the tissues, it can be difficult for the body to remove it. This is because gravity pulls the fluid downward into the lower legs and feet. Therefore, peripheral edema most commonly occurs in the lower legs and feet.

2. Heart failure

Heart failure (CHF) is one Condition in which the heart cannot pump blood as effectively as it should. This can lead to fluid buildup in body tissues, including the legs, feet, and ankles.

There are a few mechanisms by which CHF can cause swelling:

  • Increased venous pressure: When the heart doesn’t pump blood as well as it should, blood congestion can occur in the veins. This increased venous pressure can push fluid from the blood vessels into the surrounding tissue.
  • Decreased oncotic plasma pressure: Plasma oncotic pressure is the force that pulls fluid back into the blood vessels. It is formed by proteins in the blood, such as albumin. When plasma oncotic pressure is low, fluid from the blood vessels is more likely to leak into the tissues.
  • Activation of the renin-angiotensin-aldosterone system (RAAS): The RAAS is a hormonal system that helps regulate blood pressure and fluid balance. When the RAAS is activated, it can cause the body to retain more fluid, which can lead to swelling.

Swelling due to CHF most commonly occurs in the legs and feet, but can also occur in the abdomen and other parts of the body. It is important to note that not everyone with CHF experiences swelling. The severity of the swelling can also vary from person to person.

3. Liver disease

Liver disease can cause swelling in the legs and feet. One of the main reasons for swelling associated with liver disease is reduced production of albumin, a protein synthesized by the liver. Albumin helps maintain osmotic pressure, which keeps fluid in blood vessels.

However, when liver disease impairs albumin production, osmotic pressure decreases, causing fluid to leak into surrounding tissues, especially the lower extremities, and causing edema.

Another mechanism that contributes to swelling in liver disease is the accumulation of fluid in the abdominal cavity, known as ascites. Normally, the liver produces a fluid called bile that aids in digestion. In liver disease, due to the liver’s inability to function properly, bile production is impaired, leading to fluid buildup in the abdomen. This can cause bloating and discomfort in the abdominal area, which can lead to swelling.

In addition, liver disease can affect the production of blood proteins, including clotting factors. Insufficient production of clotting factors can lead to abnormal bleeding, especially in the digestive tract. Bleeding in the digestive tract can affect blood vessels, causing fluid to leak into surrounding tissues and causing swelling, especially in the legs and ankles.

Swelling caused by liver disease can have a significant impact on a person’s health and quality of life. This can lead to discomfort, limited mobility and an increased risk of infection. In addition, severe edema in the legs and ankles can affect the functioning of the lymphatic system, which plays a crucial role in the immune response and maintaining fluid balance in the body.

Also read | 4 key signs your liver may be failing

4. Kidney disease

Kidney disease, also called kidney disease, is a serious health condition that affects the kidneys’ ability to filter waste products from the blood. There can be an accumulation of toxins in the body, which can lead to various complications. A common symptom of kidney disease is swelling of the legs and feet, also called edema.

When the kidneys are affected by disease, their ability to filter waste products and excess fluid from the blood is impaired. This causes fluid to build up in the body, which leads to edema. The legs and feet are commonly affected due to gravity as fluid builds up in the lower parts of the body. Swelling can range from mild to severe and can cause discomfort, pain, and difficulty walking or standing for long periods of time.

It is important to note that not all people with kidney disease experience swelling in the legs and feet. The severity and occurrence of edema can vary depending on the person and the stage of the disease. In some cases, the swelling may be more pronounced in the morning and lessen throughout the day. However, in advanced stages of kidney disease, edema may persist and cause significant discomfort.

The presence of swelling in the legs and feet in people with kidney disease should not be ignored, as it may indicate progression of the disease or the development of complications. Be sure to consult a doctor if you notice swelling, especially if it is accompanied by other symptoms such as decreased urine output, fatigue, shortness of breath, or changes in appetite.

also read | The 11 Most Common Foods That Damage Your Kidneys

5. Deep vein thrombosis

Deep vein thrombosis (DVT) is a blood clot that forms in a vein deep in the body, usually in the leg. DVT can block blood flow and cause swellingPain and redness in the affected leg.

The swelling associated with DVT is often accompanied by other symptoms such as pain, tenderness, warmth, and redness in the affected area. It is important to recognize these signs and seek immediate medical attention if you suspect DVT. Untreated DVT can lead to serious complications, including the possibility of the clot breaking off and traveling to the lungs, causing a potentially life-threatening condition called pulmonary embolism.

Read more about | Deep vein thrombosis: symptoms and treatment options

Other things that can cause swelling

  1. Inflammation: Inflammation is the body’s natural response to an injury or infection. When tissue is inflamed, blood vessels dilate and become more permeable, allowing fluid to seep into surrounding tissue. This can cause swelling, redness, warmth, and pain. Inflammation can have a variety of causes, including injuries, infections, allergies and autoimmune diseases.
  2. Circulatory disorders: When blood or lymph fluid does not flow properly throughout the body, it can build up in tissues and cause swelling. Circulatory problems can have a variety of causes, including heart failure, kidney disease, liver disease and varicose veins.
  3. Medication: Some medications, such as corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs), and certain blood pressure medications, can cause swelling as a side effect.
  4. Pregnancy: Swelling of the legs and feet is common during pregnancy, especially in the third trimester. This is because the growing uterus puts pressure on the veins in the pelvis, which can restrict blood flow.
  5. Poor diet: A diet low in protein or high in salt can increase the risk of swelling. Protein is important for maintaining the integrity of blood vessels, while salt can cause the body to retain fluid.

swelling symptoms

The most common symptom of swelling is swelling or tenderness in the affected area. Other symptoms can include:

  • tightness
  • pain
  • discomfort
  • Difficulty moving the affected area
  • Shiny or tight skin

Treatment of swelling

Treatment for swelling depends on the underlying cause. If the swelling is caused by an underlying condition such as heart failure or kidney disease, the goal of treatment is to treat the underlying condition. This may include medication, lifestyle changes, or surgery.

If the swelling is not caused by an underlying condition, you can take a number of steps to treat it, including:

  • Increase the affected area: Raising the affected area above the level of the heart helps reduce blood flow and fluid buildup.
  • Apply compression: Compression socks or wraps can help compress veins and reduce fluid buildup.
  • Reduce salt intake: Salt can cause the body to retain fluid. Therefore, reducing salt intake can help reduce swelling.
  • Do sports regularly: Exercise improves blood circulation and can help reduce swelling.
  • Avoid standing or sitting for long periods of time: If you have to stand or sit for long periods of time, take breaks to move and walk around.

If your swelling is severe or does not improve with home treatment, your doctor may prescribe medication to help reduce the swelling.

When should you see a doctor?

You should see a doctor if you have the following swellings:

  • Difficult
  • Stubborn
  • Accompanied by other symptoms such as pain, redness or warmth
  • Impairing your ability to move or wear shoes

If you experience swelling during pregnancy, you should see your doctor regularly to monitor your condition.

Subhankar Mondal

Subhankar Mondal is a Nytimas U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime. Subhankar Mondal joined Nytimas in 2023 from the Daily Express and previously worked for Chemist and Druggist and the Jewish Chronicle. He is a graduate of Cambridge University. Languages: English. You can get in touch with me by emailing: mondal@nytimas.com.

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