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Published on: 8/18/2026

Can an itchy anus be a sign of cancer, and how common is this?

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Explanation

Itching around the anus, known as pruritus ani, is usually caused by non-cancerous conditions such as skin irritation, infections, or hemorrhoids. However, in rare cases, it can be related to anal cancer.

Causes of Itchy Anus:

  1. Common Causes:
  • Skin irritation from moisture or friction
  • Infections like yeast or pinworms
  • Hemorrhoids
  1. Rare Cause:
  • Anal cancer, which can sometimes cause itching, is very rare.

Anal Cancer:

  • Anal cancer is rare and can sometimes be misdiagnosed as other conditions.
  • Itching can be a symptom, but it is usually accompanied by other signs like lumps or bleeding.

If you have persistent itching or other symptoms, it is important to see a healthcare provider to find the cause. You can start by using Ubie's free AI symptom checker to help identify what might be causing your discomfort and whether you should seek medical attention. While cancer is a rare cause of an itchy anus, getting checked can help identify the real problem and provide peace of mind.

(References)

  • Daniel GL, Longo WE, & Vernava AM 3rd. (1994). Pruritus ani. Causes and concerns. Diseases of the colon and rectum, 8026233.

  • Barbeiro S, Atalaia-Martins C, Marcos P, Gonçalves C, Cotrim I, & Vasconcelos H. (2017). A Case Series of Anal Carcinoma Misdiagnosed as .... GE Portuguese journal of gastroenterology, 29255757.

  • Handa Y, Watanabe O, Adachi A, & Yamanaka N. (2003). Squamous cell carcinoma of the anal margin with pruritus .... Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 12534524.

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