Is prurigo nodularis associated with anemia and fatigue?

Question

Hello doctor,

Prurigo nodularis is making me feel desperate. These extremely itchy nodules have been tormenting me for the past fifteen months. They initially started on my legs but are now spreading all over my body. The nodules are hard, crusty, and itchy with an intensity I have never experienced before. I often scratch them until they bleed, especially at night.

I have tried multiple treatments, including topical creams, oral medications, and even light therapy, but nothing has provided lasting relief. In addition, I am also dealing with anemia and chronic fatigue, which makes me wonder if there might be a connection.

My regular physician mentioned the possibility of evaluating for hepatitis or kidney disease. What specific tests should I be requesting at this point? Is it possible that an underlying systemic or autoimmune condition is being missed?

The itching is now so severe that it significantly affects my daily ability to function. I urgently need guidance on what to investigate further and how to proceed with effective management.

Kindly help.

Answer 1

Hello,

Welcome to icliniq.com.

I have read your query and can understand your concern.

Nodular pruritus, also known as prurigo nodularis (dermatologic condition), is often associated with systemic diseases such as:

Iron deficiency anemia.

Cancer.

Diabetes mellitus.

Chronic kidney disease.

Human immunodeficiency virus (HIV) Infection.

Certain mental health disorders.

The exact cause of the condition remains unknown. However, it can severely impair

Sleep.

Fatigue.

Depression.

Anxiety.

Pruritus (itching) is also a frequent symptom of chronic liver diseases. Chronic hepatitis C virus (HCV) infection can lead to pruritus through both direct and indirect mechanisms. Direct mechanisms include the induction of pro-inflammatory cytokines and chemokines as a result of persistent viral infection.

I suggest the following diagnostic tests for prurigo nodularis:

Dermoscopy: Your healthcare provider may use a dermoscope (a handheld magnifying microscope with light) to evaluate the skin. Dermoscopy offers a magnified view of the skin and is a non-invasive method that does not require any incisions.

Blood and urine tests: These may include a complete blood count (CBC), basic metabolic panel (BMP), and urinalysis to identify possible underlying conditions such as liver, thyroid, or kidney disease.

Biopsy: A small sample of skin may be taken using a razor, scalpel, or another appropriate tool for histopathological examination.

I suggest avoiding the following foods:

Red meat.

Processed foods with high levels of additives and preservatives.

Trans fats.

Fried foods.

Refined sugars and white flour.

I hope this helps.

Thank you.