A bruised gum might look like a discoloration where it was bumped or scraped.

Bruised gums could be caused from a mild trauma like eating something sharp.

It might also be triggered by dental work or certain medical conditions.

Potential Causes of Bruised Gums

Verywell / Katie Kerpel

This article discusses the symptoms, causes, diagnosis, and treatment of bruised gums.

What Do Bruised Gums Look Like?

A bruised gum might have a different color from the rest of your gums.

Edmund Khoo

They might appear dark brown, black, purple, or red.

Verywell / Katie Kerpel

What Causes Bruised Gums?

There are a few factors to consider as to why your gums are bruised.

If the injury is extreme, seek emergency care.

A healthcare provider or dentist will typically ask questions related to your symptoms, anddepending on the injurytake X-rays.

A healthcare provider may order a blood transfusion to increase the platelets if thrombocytopenia is diagnosed.

The transfusion will happen if the platelet levels are extremely low.

Normal levels are 150,000 platelets per microliter of blood.

A doctor or dentist can help to properly diagnose your condition and provide the right treatment options.

National Institute on Aging.Taking care of your teeth and mouth.

Brigham and Women’s Hospital.Amalgam tattoo.

Mouth Healthy, American Dental Association.Teething.

National Heart, Lung, and Blood Institute.Thrombocytopenia.

Michigan Medicine.Toothache and gum problems.