The causes of intestinal mucosal redness and swelling include proctitis and ulcerative colitis, etc. Mesalazine, probiotics and anti-inflammatory drugs should be taken according to the specific causes. 1. Mesalazine: It is suitable for the treatment of proctitis, ulcerative colitis and other induced intestinal mucosal redness and swelling, and helps to improve the symptoms of distension and intestinal mucosal edema. Adverse effects of mesalazine are mainly mild gastric discomfort, and it is forbidden for those who are allergic to salicylic acid and mesalazine ingredients. 2. Probiotics: Probiotics can be taken to improve the symptoms of intestinal flora imbalance and help repair the damage to the intestinal mucosa. The main adverse reaction of probiotics is to cause sepsis or bacteremia, there is no clear contraindication. 3. Anti-inflammatory drugs: intestinal mucosal edema is usually induced by enteritis, which can cause local edema and congestion, you can take amoxicillin and levofloxacin and other antibacterial drugs for anti-inflammatory and anti-infective treatment. The main adverse effects of anti-inflammatory drugs are nausea, vomiting, diarrhea and other gastrointestinal reactions, and are contraindicated in pregnancy and lactation. In addition, the use of these drugs carries certain risks, and patients need to obtain the guidance of a specialist.