Scalp hematomas usually result from damage to skin and muscle rather than damage to the brain itself.
contact sports, such as boxing, football, and hockey. Some common causes of head trauma include: Scalp hematomas typically develop as a result of trauma to the head. They may create a visible bump on the head. Scalp hematomas are those that develop beneath the skin of the scalp. Some insects also transport bacteria or viruses, which can result in infection or disease.Ī person should see a doctor immediately if they develop any symptoms of allergy, infection, or organ dysfunction following an insect bite or sting.Ī hematoma is a collection of blood that forms outside of a large blood vessel. Left untreated, severe allergies can result in a life threatening condition called anaphylaxis.Ĭertain insect bites and stings can cause particularly severe signs and symptoms, such as: Oral antihistamines can also help reduce allergy symptoms.įor more severe allergies, a person may require immediate treatment with epinephrine. Some people are allergic to insect bites and stings, and these allergies may be mild to severe.įor milder allergies, people can try applying a corticosteroid cream to alleviate localized skin irritation. An insect bite on the forehead could result in a bump or swelling in that area. Insect bites and stings can cause localized redness, pain, and inflammation. If a cyst becomes particularly bothersome, a doctor may recommend surgical removal. Holding a warm, clean washcloth against a cyst can reduce inflammation and encourage it to heal. Try to avoid popping cysts, as this increases the risk of infection and scarring. 
Some may grow to the size of a pea, whereas others might be several centimeters across.Īlthough cysts are generally painless, they may become painful if an infection develops. Here, the trapped skin cells cluster together to form a cyst that contains keratin.Ĭysts are usually slow growing. Sometimes, however, the cells will move in the opposite direction, instead entering the deeper layers of the skin. Ordinarily, the keratin-producing skin cells travel to the surface of the skin, where they slough off.
Skin cysts can develop anywhere on the skin, including on the forehead.Ĭysts are a collection of skin cells and keratin, which is a protein present in skin. It is typically round or dome shaped, and it may be white or yellow. A skin cyst is a harmless, fluid filled lump that develops beneath the skin.
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