Pus From the Anus
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Content updated on Sep 6, 2022
About the symptom
Purulent discharge from the anal region is yellow or yellow-white pus from the anus. It is usually the result of an anal abscess which is a painful condition in which a collection of pus develops near the anus. It occurs due to infection of the small anal glands.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Pus from around the anus or anus itself
Possible causes
- Crohn's disease
An inflammatory condition of the gut that damages the gut wall. Symptoms can occur anywhere from the mouth to the anal region. The exact cause is not well known.
- Anal fistula
This is a condition where a tunnel forms between the anus and the skin surrounding the anus. Patients are prone to recurrent infection of the area, and this is often associated with inflammatory bowel disease like Crohn's disease.
- Ulcerative colitis
An inflammatory condition of the large intestine that damages the gut wall. The exact cause is not well known.
Related serious diseases
- Perianal abscess
A collection of pus near the anus. It happens more commonly in patients with diabetes, obesity, or certain conditions that cause gut ulcers.
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Do you have pus from around the anus or anus itself?
Do you have a fever?
Do you have skin redness?
Do you have anal pain?
Do you have itching of the anal region?
Other Related Symptoms
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Developed by doctors.
Ubie is supervised by 50+ medical experts worldwide
Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan