1️⃣ Lymphoma (Hodgkin’s and Non-Hodgkin’s)
- How it causes itching:
- Lymphomas affect the lymphatic system, sometimes releasing chemicals that trigger nerve endings in the skin, causing generalized itching.
- Typical signs to watch:
- Itching often without a visible rash
- Night sweats, unexplained weight loss, enlarged lymph nodes
- Why persistent: Itching may appear weeks or months before other symptoms.
2️⃣ Leukemia
- How it causes itching:
- Abnormal white blood cells interfere with normal immune and skin function.
- Can lead to buildup of substances in the skin, triggering irritation.
- Typical signs:
- Fatigue, frequent infections, easy bruising
- Sometimes accompanied by pale skin or bleeding gums
- Persistent itching may appear in chronic leukemia especially.
3️⃣ Liver cancer or Cancers That Spread to the Liver
- How it causes itching:
- Liver dysfunction or bile duct obstruction can cause bile salts to accumulate in the bloodstream, irritating nerve endings in the skin.
- Typical signs:
- Yellowing of the skin and eyes (jaundice)
- Dark urine, pale stools, abdominal swelling
- Itching may start on the palms and soles and worsen at night.
4️⃣ Pancreatic Cancer
- How it causes itching:
- Tumors in the pancreas, especially near the bile duct, can block bile flow → causing pruritus.
- Typical signs:
- Upper abdominal pain, unexplained weight loss
- Jaundice and pale stools
- Itching can precede jaundice, signaling early bile obstruction.
⚠️ Key Points About Itching and Cancer
- Persistent itching without rash, especially nighttime itching, should not be ignored.
- It often occurs systemically, not just in one localized area.
- Accompanied symptoms like weight loss, fatigue, fever, or jaundice increase the need for medical evaluation.
💡 When to See a Doctor
- Itching lasting more than 2–3 weeks without a clear cause
- Associated with other systemic symptoms
- Rapidly worsening or interfering with sleep
Early detection of underlying causes, including cancer, is crucial for effective treatment.
Disclaimer:
The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of any agency, organization, employer, or company. All information provided is for general informational purposes only. While every effort has been made to ensure accuracy, we make no representations or warranties of any kind, express or implied, about the completeness, reliability, or suitability of the information contained herein. Readers are advised to verify facts and seek professional advice where necessary. Any reliance placed on such information is strictly at the reader’s own risk.
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