A person with a perianal abscess has a collection of pus beneath the skin near the anus, caused by a bacterial infection. Perianal abscesses are more common in men than in women.

Symptoms of perianal abscess include:

• Anal pain
• Pus draining from the anus
• Skin redness around the anus
• Skin swelling around the anus
• Skin tenderness around the anus