Much like most injuries, your broken bones will bleed. This usually isn’t life-threatening — except in some extreme cases — but it can lead to swelling. This form of swelling is called edema. There are a few things that you can do to reduce the swelling in the fractured area. Elevating your injury and applying ice for 20 minutes has been shown to work in most patients.
That being said, you should refrain from doing so if your doctor advises against it. If they have no issue with it then you should be applying ice 20 minutes out of every hour for the first two days after the initial injury. After the two days have passed, you can reduce the time to 10 minutes and only apply the ice around three times a day unless you need it more frequently.