Complications can usually be ruled out after 1 week for rib fractures, but the time can vary depending on the specific condition. Rib fractures are commonly associated with trauma, etc., and are prone to complications, which usually occur within 1 week, with some complications occurring in less than 24 hours. When a rib fracture injures a peripheral nerve, intercostal neuritis with intercostal pain may occur 3 to 5 days afterward. If the fracture is accompanied by pulmonary contusion, complications such as pleural pneumoperitoneum or effusion may soon develop. In addition, multiple rib fractures can be severe with immediate chest collapse and paradoxical breathing. Complications of rib fractures can be treated by limiting activities, anti-inflammatory pain relief, chest drainage, and compression bandages, and severe complications require surgery. When a rib fracture occurs, you should immediately seek medical attention for relevant examinations to clarify the extent of the condition and standardize the treatment under the guidance of your doctor to prevent complications.