ExitCare ImageA hematoma is a collection of blood. The collection of blood can turn into a hard, painful lump under the skin. Your skin may turn blue or yellow if the hematoma is close to the surface of the skin. Most hematomas get better in a few days to weeks. Some hematomas are serious and need medical care. Hematomas can be very small or very big.


  • Apply ice to the injured area:

  • Put ice in a plastic bag.

  • Place a towel between your skin and the bag.

  • Leave the ice on for 20 minutes, 2–3 times a day for the first 1 to 2 days.

  • After the first 2 days, switch to using warm packs on the injured area.

  • Raise (elevate) the injured area to lessen pain and puffiness (swelling). You may also wrap the area with an elastic bandage. Make sure the bandage is not wrapped too tight.

  • If you have a painful hematoma on your leg or foot, you may use crutches for a couple days.

  • Only take medicines as told by your doctor.


  • Your pain gets worse.

  • Your pain is not controlled with medicine.

  • You have a fever.

  • Your puffiness gets worse.

  • Your skin turns more blue or yellow.

  • Your skin over the hematoma breaks or starts bleeding.

  • Your hematoma is in your chest or belly (abdomen) and you are short of breath, feel weak, or have a change in consciousness.

  • Your hematoma is on your scalp and you have a headache that gets worse or a change in alertness or consciousness.


  • Understand these instructions.

  • Will watch your condition.

  • Will get help right away if you are not doing well or get worse.