Small bump on forehead: causes and symptoms of swelling forehead

Small bump on forehead can have several causes. Depending on the cause, a skin lump or bump can vary in size and feel firm or soft. The bump or swelling can be mobile under the skin or not. The overlying skin can be red or inflamed. A bump on your forehead may or may not be painful or sensitive, depending on the cause. In case of persistent complaints or additional symptoms, such as pain or redness of the skin, it is advisable to consult your doctor. This can further investigate the spot on your forehead and see which treatment is suitable.

Small bump on forehead

A bump or bulge on your forehead, even if it is small and does not hurt, can worry you. Swelling under the skin (a hematoma, bruising or bleeding) is usually a temporary symptom due to head trauma. A hematoma can form quickly; the forehead swells quickly because there are so many blood vessels just below the skin surface. That is also the reason that open head wounds can bleed heavily even if the injury is not very deep.

Some bumps on forehead form without an injury. For example, a bump can relate to abnormal bone or tissue growth. These are usually harmless, although you may want to have them treated for cosmetic reasons.

What symptoms are alarm symptoms?

Having a bump on your forehead alone is not enough to determine if you need medical attention. You will also have to pay attention to other symptoms. Of course, a trauma to the forehead where you lose consciousness must always be treated as a medical emergency. Even if the loss of consciousness lasts a few seconds, you must seek medical attention immediately. A doctor can see if there is a concussion or other injury.

If you look after a child with hematoma on the forehead, you should pay close attention to his condition:
  • Sudden sleepiness or changes in mood and personality can be a sign of a more serious injury.
  • If your child does not seem as alert as usual and does not respond to you and your questions, go to a hospital emergency department.
  • If your child starts to move abnormally, seems to be having problems with balance and coordination, see a doctor immediately.
  • headache that does not go away and nausea , with or without vomiting , are two other indications that a head injury needs emergency assistance.
  • You should also look at your child's eyes after a head injury. If the pupils are of a different size or if one eye does not move in coordination with the other, the injury must be medically examined immediately.

If one of these symptoms does not appear immediately, but develops a day or two after a head injury, you should see a doctor immediately. If there are no symptoms or if the symptoms are mild (such as mild headache), make an appointment to have the doctor examined.

Causes of bump on forehead

Most bumps that appear on the forehead are benign if no other serious symptoms are present. These bumps can form for various reasons. The following are some of the most common causes of a lump or bump on the forehead.


Whether it is a fall, a collision on the football field with another player, a car accident or other high-impact contact, trauma is a major cause of a hematoma. Such a bump on the forehead is essentially just a bruise. These bumps often turn black, yellow and blue after a day or two. When the small blood vessels under the skin are damaged, blood leaks into the surrounding tissue, creating the swelling that forms a lump or bump on the head. You can look at it for a few days in a small bump with no other symptoms. The presence of other symptoms or a bump that is more than a few centimeters wide should be examined for first aid. A bump that does not become smaller within a few days must also be checked by a doctor. Usually, hematomas disappear spontaneously and do not require treatment. Applying an ice diet after an injury helps to minimize swelling. However, do not apply ice directly to the skin as this may cause the skin to freeze.


A cyst is a fluid-filled cavity that forms just below the skin. It usually feels soft and appears whitish or yellowish. There are different types of cysts that can appear on the forehead. One of the most common cysts is formed when keratin gets deeper into your skin and accumulates there. Keratin is a protein in the skin. Keratin cells normally go to the surface and die. When they go in the other direction, they can cluster in a cyst that swells as it grows. Never try to squeeze out a cyst yourself. The risk of infection is too great. Instead, press a warm, wet washcloth onto your forehead. A doctor or dermatologist can remove the cyst if necessary.


A benign little bone outgrowth, called an osteoma, can form a bump on your forehead. An osteoma typically grows slowly and has no other symptoms. An osteoma can usually be left alone. But if the growth is a nuisance from a cosmetic point of view or if it causes complaints due to the location (such as vision or hearing problems), treatment may be necessary.

Lipoom of vetbult

A lipoma or fat bump is a bump of fatty tissue that can develop under the skin, causing a soft, movable bump on the forehead (or elsewhere). Lipomas mainly occur on the neck, shoulders, arms, back, thighs and abdomen. A lipoma usually has a diameter of less than 5 cm, but can sometimes become much larger. Lipomas are usually benign, but they can be painful if they are close to important nerves.

Malformation of the skull

If you have had a facial fracture or other skull injury, it is possible that a lump will form on your forehead as the bones heal and grow together. In addition, you can suffer from purple, blue to black discoloration in the face.


In rare cases, severe sinus infection ( sinusitis lead) swelling around the forehead and eyes. Usually sinusitis causes pain in and around the affected sinus, with no visible signs of inflammation.

Insect bites and stings

An insect bite or sting can form a small red lump on the forehead. These bumps are usually easily recognizable and usually require no treatment. Try to leave the area alone and, if desired, take an antihistamine to help reduce swelling and itching .

Examination and diagnosis

If you have a bump on your forehead that does not disappear after a few days or causes pain or discomfort, it is advisable to consult your doctor. The doctor can examine your forehead and ask questions about your symptoms and take your medical history into account. After the doctor has determined the cause of the hump, he or she can recommend a treatment.

Treatment of bump on forehead

Treatment of a bump on your forehead depends on the underlying cause:
  • Trauma: contact your doctor after a major blow to the head so that you can assess whether you should be woken up during the first 24 hours (wake-up advice for concussions) or go to the hospital.
  • Cyst: a cyst can be removed under local anesthesia.
  • Osteoma: a benign tumor from bone tissue can be surgically removed if necessary.
  • Lipoma or hump: this can be surgically removed when it is annoying and / or ugly.
  • Sinusitis: this usually disappears within 1 to 3 weeks and nasal drops and paracetamol can reduce the symptoms.
  • Insect bites and stings: cool it with cold water in the event of itching, pain or swelling.

Prognosis of swelling on forehead

Once you know what type of bump you have on your forehead, you can determine which treatment is needed and what the prognosis is. A bruise will pass on its own. A cyst or fat hump that has been removed often does not return.

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