Can I use heat on a broken finger?

Whether cold or hot compresses should be applied after a finger fracture is determined by the duration of the fracture, the location of the fracture, and the treatment plan. Generally, within 48 hours after the fracture, the fracture end bleeds and the soft tissues around the fracture end of the finger are obviously swollen and congested, so if hot compresses are applied, the bleeding will be aggravated and the local tissue swelling will increase, leading to severe pain. Therefore, hot compresses should not be applied to the fracture within 48 hours, but cold compresses should be applied. After 72 hours of fracture, since the bleeding at the fracture end has stopped and scabs have formed, hot compresses can be applied intermittently but not continuously in order to promote blood circulation and improve peripheral circulation function. It is also necessary to elevate the affected limb to reduce the edema of the finger and to reduce the pain caused by the pressure on the end of the finger in order to facilitate the recovery of blood circulation.