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Complications of Lupus Nephritis: Causes, Risks, and Management

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In lupus nephritis, the body attacks the kidneys by mistake. Due to this, the kidneys will not work well, which can cause problems.

Written byDr. Sameeha M S

Medically reviewed byDr. Yash Kathuria

Published At April 22, 2025
Reviewed AtApril 22, 2025

Introduction

Lupus nephritis is a serious illness. It occurs when the body's fighter cells mistakenly attack the kidneys. The kidneys are filters that purify the blood. If they fail to function, harmful things remain in the body, making an individual sick. Lupus nephritis occurs in patients with systemic lupus erythematosus (SLE). SLE is a sickness where the body's defense system gets confused and attacks healthy parts instead of foreign unhealthy cells. It can hurt different parts of the body, like the kidneys, brain, heart, joints, and skin. This can cause pain, swelling, and other problems. In this article, we will try to understand lupus nephritis-related complications.

By reading this, you will understand the common issues that a lupus nephritis patient will encounter in their battle with this serious condition.

What Are the Common Complications of Lupus Nephritis?

A person with lupus may complain about various issues in their day-to-day life. As this issue is associated with the immune cells, things become more complicated. Immune cells play a vital role in keeping our body healthy. Faulty immune cells will cause many issues. These cells will go and attack most of the healthy cells. These attacks will result in damage to normal cells and cause several symptoms. Living with lupus is not easy. Support from doctors and family plays a great part. Always try to understand the health issues of lupus patients and try to help them in time.

The following are the few expected complications of lupus nephritis:

Kidney-Related Complications

  • Kidney Failure: It occurs when the kidneys stop performing correctly. The patient requires dialysis or a transplant. Dialysis helps clean out the waste and extra water from the body. Doctors use a machine to take your blood, clean it, and put it back into your body. You have to do this many times a week to stay healthy. A kidney transplant is when a doctor fixes a new kidney from someone else. This new kidney takes over the job of cleaning the blood.

  • Proteinuria: Protein in urine. It causes swelling in the legs and face.

  • High Blood Pressure: Blood pressure management needs healthy kidneys. Damaged kidneys struggle to regulate blood pressure. Hypertension is usually seen in lupus nephritis patients.

Cardiovascular (Heart) Complications

  • Lupus can induce inflammation in the heart and its arteries. It raises the risk of a heart attack.

  • High blood pressure is common in lupus nephritis and exacerbates kidney damage.

Hematologic (Blood) Complications

  • A low red blood cell count. It causes fatigue and weakness.

  • There is an increased risk of deadly clots in the veins and arteries.

Infectious Complications

  • Lupus medications, such as steroids, can weaken the immune system. It increases the likelihood of infection.

  • Frequent infections include urinary tract infections, pneumonia, and skin infections.

Bone-Related Complications

  • Weak bones caused by prolonged steroid (medication for lupus) usage.

  • Avascular necrosis occurs when bone tissue dies from a lack of blood flow, resulting in joint pain.

Neurological Complications

  • Lupus can lead to brain inflammation and blood clots.

  • Memory problems (lupus fog). It causes difficulty focusing and recalling information.

Gastric Complications

  • Stomach ulcers are caused by prolonged lupus drug use.

  • Lupus causes liver inflammation, as do drug adverse effects.

Pulmonary Complications

  • Lung inflammation (pleuritis) causes chest pain and breathing difficulties.

  • Fluid buildup in the lungs can make breathing difficult.

Dermatologic Complications

  • Lupus frequently produces a butterfly-shaped rash on the face.

  • Lupus and its treatments can cause hair loss.

What Are the Long-Term Effects of Lupus Nephritis?

If lupus nephritis management and treatment are not effective, it can lead to various effects. Let us understand it more.

  • Permanent kidney damage. It causes renal (kidney) failure.

  • High blood pressure (hypertension) and the possibility of heart-related issues.

  • A compromised immune system. It leads to frequent infections.

  • Long-term usage of steroids (medicine for lupus) causes bone loss (osteoporosis).

  • Increased blood clots and strokes. It is caused by blood cell inflammation.

  • People who have lupus nephritis are more likely to acquire certain types of cancer, including B-cell lymphoma, which begins in the immune system.

How to Manage Lupus Nephritis Complications?

A lupus patient can avoid complications by following certain measures.

They are:

  • Take prescription drugs (such as steroids and immunosuppressants) as indicated.

  • A low-salt diet and medication can help you control your blood pressure.

  • Maintain hydration while limiting fluid consumption as directed by your doctor.

  • To avoid infections, practice excellent hygiene and be vaccinated.

  • Consume a kidney-friendly diet reduced in sodium and protein.

  • Regular examinations to assess kidney function and general health.

What Are the Warning Signs of Severe Lupus Nephritis Complications?

Lupus patients may show some signs in case of complications. If any patient shows the following signs, then they should seek immediate medical assistance.

  • Edema (swelling) in the legs, feet, or face (an indication of decreasing kidney function).

  • The presence of frothy urine (indicating protein leakage).

  • Intense weariness or dizziness (signs of anemia or renal failure).

  • Chest discomfort or trouble breathing (possible heart or lung issues).

  • Persistent, uncontrolled elevated blood pressure.

  • Lupus-related neurological consequences include seizures and periods of disorientation.

What Are the Effective Treatment Options for Lupus Nephritis?

Lupus nephritis treatment is focused on preventing further kidney damage. Early detection and treatment of lupus nephritis can help avoid significant complications. Lupus harms the kidneys by forcing your immune system to destroy them. To prevent this, your doctor may recommend that you take an immunosuppressant. These treatments decrease your immune system, making it less likely to injure your kidneys.

  • Medications include steroids to decrease inflammation.

  • Immunosuppressants help to balance the immune system.

  • Blood pressure medicines can protect the kidneys.

  • Dialysis is done when the kidneys cease working, and a machine cleans the blood.

  • Kidney transplant. If there is extensive damage, a healthy kidney from a donor may be required.

  • Early therapy and lifestyle adjustments can help manage lupus nephritis and avoid serious consequences.

Conclusion

Receiving a lupus diagnosis can be unexpected. Many individuals are unfamiliar with this condition. Finding the correct diagnosis is the first step toward getting your needed care. Lupus is a lifelong condition that can disrupt your daily life in various ways. Physical issues, regular doctor visits, and financial concerns can all impact your mental well-being. If you have lupus or lupus nephritis, try to consult medical help as early as possible to avoid complications. With proper lupus treatment, the complications can be managed to great levels.

Key Takeaway/Note from Icliniq

Lupus complications can be challenging to manage, but early detection might help you stay healthy. At iCliniq, you can effectively manage lupus and avoid complications with the correct care and support. We can lower the chance of serious problems by following proper therapy, making lifestyle adjustments, and seeking expert medical guidance. If you have lupus, do not wait; consult a doctor and look for early symptoms. We are here to help you. Book a consultation at iCliniq.com and manage your lupus.

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