Wrist fracture reset splinting four days ago, hand swelling arm bruises and pain at night, may be a normal manifestation. After four days of splinting the wrist fracture, the local injury site is not completely normal, there may be localized congestion and bruising, especially at night, there will be increased pain, need a gradual recovery process. If there is still localized bruising and pain after four days of splinting and fixation of a wrist fracture, local infrared irradiation can be used to promote tissue swelling and hot towels should be used to promote blood circulation, which will help alleviate the discomfort. After wrist fracture splinting, there may be some symptoms of discomfort, to maintain a relaxed mood and rest at ease, you can also follow the doctor’s instructions to take ibuprofen or codeine and other pain medication to ease the pain, if the discomfort continues to worsen, it is best to consult a doctor in a timely manner.