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Edema

  • Overview

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    Edema is the accumulation of excess fluid in the body’s tissues, leading to swelling. While edema can manifest in any body area, it frequently appears in the legs and feet. Various factors can induce edema, including medications, pregnancy, and certain medical conditions like congestive heart failure, renal disease, venous inadequacy, or liver cirrhosis. Donning compression garments and decreasing salt intake can typically alleviate edema. If a medical condition is the cause, it’s crucial to address and treat that underlying condition.

  • Symptoms

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    Symptoms of edema include:

    • Noticeable swelling or bloating of the tissue beneath the skin, predominantly in the legs or arms.
    • Skin that appears stretched or has a glossy finish.
    • Skin which retains an indentation, often termed as ‘pitting’, when pressed for a short duration.
    • An enlarged abdomen, more pronounced than its regular size.
    • The sensation of heaviness in the legs.
  • When to see a doctor

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    Should you notice swelling, skin that appears stretched or glossy, or skin that retains an indentation upon pressing, it’s advised to arrange a consultation with a medical professional. It’s imperative to seek immediate medical attention for:

    • Breathlessness.
    • An abnormal heart rhythm.
    • Discomfort in the chest. These could indicate fluid accumulation in the lungs, referred to as pulmonary edema, which requires urgent intervention as it can be fatal. You must contact your healthcare provider if you experience persistent leg discomfort and swelling after prolonged sitting, such as during an extended flight. Mainly, if the swelling and pain are unilateral, these might be indicative of a blood clot situated deep within a vein, commonly known as deep vein thrombosis or DVT.
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  • Causes

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    Edema develops when small blood vessels within the body, termed capillaries, leak fluid. This fluid accumulates in the surrounding tissues, resulting in swelling. Causes that can lead to mild instances of edema encompass:

    • Remaining stationary for extended periods.
    • Consuming an excessive amount of salty foods.
    • Being in the premenstrual phase.
    • Pregnancy. Furthermore, edema can emerge as an adverse effect of certain medications, which include:
    • Hypertension medications.
    • Non-steroidal anti-inflammatory drugs.
    • Corticosteroids.
    • Oestrogens.
    • Specific diabetes medications are known as thiazolidinediones.
    • Drugs formulated to manage nerve discomfort.

     

    Edema can also manifest as a consequence of certain medications. These comprise:

    • Medications for hypertension.
    • Non-steroidal anti-inflammatory drugs.
    • Corticosteroid drugs.
    • Oestrogen treatments.
    • Specific diabetes drugs are known as thiazolidinediones.
    • Medications prescribed for neuralgia

     

    At times, edema might indicate a more grave underlying issue. Several medical conditions that can trigger edema encompass:

    • Congestive heart failure (CHF): CHF means one or both of the heart’s lower chambers aren’t effectively pumping blood. Consequently, blood may accumulate in the lower extremities, like legs, ankles, and feet, leading to edema. CHF can also result in abdominal swelling and fluid retention in the lungs, termed pulmonary edema, which can cause breathlessness.
    • Liver cirrhosis: Damage to the liver from cirrhosis can lead to fluid accumulation in both the abdominal region, known as ascites, and the legs.
    • Kidney disease: Such a condition can lead to the retention of fluid and salts in the bloodstream. edema associated with kidney disease typically manifests around the eyes and in the legs.
    • Kidney damage: Harm to the minuscule filtering of blood vessels in the kidneys can give rise to nephrotic syndrome. This syndrome’s reduced blood protein levels can be a precursor to edema.
    • Chronic venous insufficiency: Damage or dysfunction of the one-way valves in the legs, which ensure unidirectional blood flow, can result in blood pooling in the leg veins, inducing swelling.
    • Deep vein thrombosis (DVT): A sudden onset of swelling in one leg accompanied by calf muscle pain might be due to a blood clot in a leg vein. Immediate medical intervention is essential for DVT.
    • Lymphatic system issues: If the body’s lymphatic system, responsible for draining excess fluid from tissues, gets impaired, perhaps due to cancer surgery, it might not function optimally.
    • Severe protein deficiency: Prolonged and extreme protein scarcity in one’s diet can culminate in edema.
  • Risk factors

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    Several factors heighten the likelihood of developing edema, including:

    • Pregnancy.
    • Consumption of specific medications.
    • Suffering from chronic medical conditions like congestive heart failure or diseases affecting the liver or kidneys.
    • Undergoing surgical procedures involving a lymph node
  • Prevention

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    Several measures might assist in reducing edema and preventing its recurrence. It’s advisable to consult with a medical professional about which strategies might be beneficial for you:

    • Pressure application: If edema is present in a limb, donning compression garments like stockings, sleeves, or gloves could be beneficial. These items exert pressure on the affected areas, deterring fluid accumulation. Typically, they are worn after the swelling has subsided to prevent further fluid build-up. 
    • Activity: Engaging the muscles in the swollen region, particularly the legs, can aid in redirecting fluid towards the heart. Exercises that could alleviate swelling can be discussed with a healthcare expert.
    • Elevation: Elevate the swollen body part above the heart level multiple times daily. Elevating the affected area while sleeping might be advantageous.
    • Massage: Gently massaging the swollen area toward the heart, using firm but non-painful strokes, could assist in fluid movement.
    • Protection: Ensure the swollen region remains clean and uninjured. Applying moisturiser helps in preventing dry, cracked skin which is susceptible to abrasions and infections. If feet are the primary swelling sites, always wear footwear.
    • Reduce salt: Discuss with a healthcare expert about salt restriction. Excessive salt can exacerbate fluid retention and intensify edema.

     

  • *Please note that the information provided in the article is for reference purposes only. It is essential to consult a doctor before applying any of the suggestions mentioned.

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Last updated on: 18/10/2023