Symptoms of perianal infection folliculitis usually include red, itchy, painful small lumps on the perianal skin, and in severe cases, pus, breakage and pus. Perianal folliculitis refers to purulent inflammation caused by the invasion of Staphylococcus aureus into the perianal skin. At the beginning of the infection, the perianal skin will have red, itchy, hard small lumps, with pain; with the development of the disease, the swelling and pain range expand, become soft, pus, and even have a tendency to break; after the lump breaks, the pus can flow out on its own, and sometimes pus and blood, to be gradually healed after the inflammation subsides. If you suffer from perianal folliculitis, you should treat it in time, if you don’t take timely measures, it will develop into boils, carbuncles and other more serious infections, and fever, fatigue and other systemic symptoms.