Sinusitis is an inflammatory disease caused by bacterial infection and can be categorized into acute sinusitis and chronic sinusitis. Disease of acute and chronic different, caused by the discomfort is also different, specific as follows. 1. Acute sinusitis: mainly manifested as perianal discomfort, such as swelling, pain, itching and so on. In addition, it can also be manifested as incomplete defecation, defecation pain, mostly stinging or tearing, with or without purulent or bloody secretion. 2. Chronic sinusitis: early symptoms are not obvious, or the symptoms are relatively mild. After further development of the disease can appear in the anus hidden pain, anal drop feeling and pain during defecation. If not treated in time, sinusitis may cause perianal abscess, anal fistula or anal fissure and other complications. Therefore, once the above symptoms appear, you need to consult a doctor in time for treatment.