Subungual Hematoma: Care Instructions

Overview

A subungual hematoma is blood that collects under a fingernail or toenail. It's caused by hitting the nail with an object such as a hammer. Or it can happen if you pinch the nail in a door or drawer. The hematoma can cause throbbing pain in the hurt finger or toe.

Your doctor may have relieved the pain by making a small hole in the nail. This lets the blood drain out. You may have had a shot to prevent a tetanus infection.

Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and contact your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.

How can you care for yourself at home?

• If your doctor told you how to care for your wound, follow your doctor's instructions. If you didn't get instructions, follow this general advice:
  • Wash the wound with clean water 2 times a day. Keep it clean and dry the rest of the time. Don't use hydrogen peroxide or alcohol. They can slow healing.
  • You may cover the wound with a nonstick bandage.
  • If the nail falls off, soak your finger or toe in soapy water daily. After soaking, dry the finger or toe. Cover it with a bandage.
• Raise the hand or foot with the sore nail. Put ice or a cold pack on the area for 10 to 20 minutes at a time. Put a thin cloth between the ice and your skin.
• Be safe with medicines. Read and follow all instructions on the label.
  • If you are not taking a prescription pain medicine, ask your doctor if you can take an over-the-counter medicine.
  • If the doctor gave you a prescription medicine for pain, take it as prescribed.
  • Store your prescription pain medicines where no one else can get to them. When you are done using them, dispose of them quickly and safely. Your local pharmacy or hospital may have a drop-off site.

When should you call for help?

Contact your doctor now or seek immediate medical care if:

• You have symptoms of infection, such as:
  • Increased pain, swelling, warmth, or redness.
  • Red streaks leading from the area.
  • Pus draining from the area.
  • A fever.

Watch closely for changes in your health, and be sure to contact your doctor if:

• You do not get better as expected.