Bump on Forehead: Healing Simple and More Complex Causes

A bump on the forehead can be caused by an injury or a condition that affects the skin or the head. The type of bump and its severity will determine the type of treatment needed.

Common Causes of a Bump on Your Forehead

Non-Acne and Without Injury

A bump on the forehead that is not acne and not caused by an injury could indicate one of the following:

• Osteoma: A benign tumor composed of bone. It can grow on the forehead causing a hard lump or bump. Osteomas generally do not cause symptoms but when found on the forehead they can cause headaches.1
• Sebaceous cyst: A harmless growth under the skin. It is a fluid-filled sac that can be found on several areas of the body, including the scalp and forehead. They do not usually cause pain but can become inflamed and swollen.2
• Insect bite: Bites or stings can cause localized swelling, itching, and redness at the site. The bump usually does not cause additional symptoms.3
• Lipoma: A benign tumor made up of fatty cells found under the skin. They are painless and can be found on several areas of the body. Lipomas typically do not need treatment unless they become painful or continue to grow.4
  

After Injury

A bump can form on the forehead after an injury. This can be from one of several causes like a fall, knocking against something, and a minor or major accident.

These bumps are called hematomas and are a collection of blood that forms from broken blood vessels.5 "Goose egg" is a nickname for a hematoma on the forehead due to its round shape and size.

The severity of the hematoma will vary based on the cause. A serious head injury can cause bleeding inside the skull. This is an intracranial hematoma and is a life-threatening condition. Signs of an intracranial hematoma:6

• Confusion
• Drowsiness
• Headache
• Memory changes
• Movement changes
• Speech changes

Acne-Related

Acne or conditions related to acne can cause a bump on the forehead and include:

• Acne: A skin condition caused by clogged follicles that causes inflammation, redness, and pain. The buildup of bacteria, sebum, and skin cells into the skin causes pimples. These bumps can be found all over the body and are commonly found on the forehead.7
• Milia: A skin condition that causes tiny white bumps, usually found on the face. While this is not a type of acne, it is often mistaken for pimples. These bumps are harmless and do not cause additional symptoms.8
• Folliculitis: A skin condition that looks similar to acne. It is caused by infected, damaged hair follicles. Folliculitis causes a small red bump but typically does not cause additional symptoms.9

Forehead Bump Appearance and Related Symptoms

Forehead bumps can appear in a variety of ways. When the bump is the result of an infection it will appear:3

• Red
• Painful
• Swollen
• Warm

If an infection is the cause, there may be other signs of infection, such as fever and chills.10

Bumps that are from an injury can appear purple or red colored from the bruise.5 Whereas, bumps from acne or pimples will be red or white.7

Self-Care for a Minor Forehead Bump

For forehead bumps caused by a minor injury treatment includes rest, ice, and elevation.5 This will help reduce the swelling and pain and improve healing time.

Forehead bumps caused by acne are often treated with over-the-counter topicals like benzoyl peroxide, retinoids, and salicylic acid.7

It's important to work with a healthcare provider to find the right treatment plan.

Bump on the Forehead That Does Not Go Down

When a bump on the forehead does not get better it is time to contact a healthcare provider. If the bump is from a skin condition contact a dermatologist (medical doctor specializing in conditions of the skin, hair, and nails). If the bump is from an injury or you are unsure of the cause contact your primary care provider.

However, if the injury is severe or causes other symptoms beyond a bump then do not wait to see if it will improve and seek medical attention. These symptoms can include:6

• Confusion
• Memory changes
• Seizures
• Speech changes
• Vision changes

Medical and Surgical Treatment Options

Bumps on the forehead that do not improve with home treatment may need additional medical or surgical removal. Cysts, osteomas, and lipomas are examples of bumps that may need surgical removal if they cause pain or additional symptoms.241

Summary

Forehead bumps can occur from injury, various skin or medical conditions. They may improve with self-treatment but some bumps need medical attention. If the cause of the bump is unknown or if additional symptoms are present, contact a healthcare provider. They will be able to evaluate the bump and determine the best treatment plan.