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Head

Here you can find information about diseases, symptoms, and health related to the head.

Click on a topic to learn more about what you are looking for.

Written by

Picture of Philipp Skafte-Holm
Philipp Skafte-Holm

Læge

Bjarne Lühr Hansen
Bjarne Lühr Hansen

Praktiserende læge, ph.d.

Last edited on March 20, 2026
Assessment of the sick

Click on the person where the problem is located.

Diseases

Anxiety

The feeling of anxiety is common in severe stresses, but can also be an independent disease. Anxiety can be a part of another mental illness. Alcohol and

Bleeding in the eye

A bleeding in the conjunctiva of the eye is due to a burst of a small blood vessel. The condition does not affect vision, is not dangerous and disappears by

Blood clot in the brain

A blood clot in the brain is a serious and life-threatening condition. Paralysis in the face and in the body as well as visual disturbances and speech

Cold Sores

Cold sores are a contagious disease caused by infection with a virus (herpes simplex). The disease turns out like sore blisters and later sores on the lips.

Common Cold

Common cold is caused by a viral infection in the mucous membrane of the nose. Stuffy and running nose, sneezing, coughing and headache are typical signs of

Concussion

All strikes to the head are potentially dangerous but does not have to be. If you have hit your head the following two questions are important to ask: Is there a concussion? Is there a haematoma in the head? Is there a concussion? A concussion arise when the brain is heavily shook. Concussion appears by […]

Depression

Depression is a mental illness that appears by persistent blues, decreased lust, interest, energy and increased fatigue. Many people are briefly ‘depressed’ in

Dizziness

Dizziness is a false sense of movement, which may be the rotating or tilting. Rotating dizziness originates from the ear. Shaky dizziness comes from the

Eczema in the ear canal

Eczema in the ear canal is a condition commonly seen in adults, but schoolchildren can also be affected. It is estimated that 10% of all at one time get eczema

Eye Problems – Frequent Signs

     Frequent signs       Consider!     Red eye Inflammation   of the EyeEye Injuries/Red EyeKeratitisAllergyIris Inflammation Red rim of the eyelid Inflammation of the Eyelid   Pain in the eye Dry   EyesEye Injuries/Red EyeKeratitisGlaucomaIris Inflammation Sensation of gravel in the eyes Dry EyesInflammation   of the EyeEye Injuries/Red Eye  Itching eyes AllergyDry […]

Hay Fever

Hay fever is a condition with a head cold, sneezing and a stuffy nose often accompanied by itching of the eyes, red eyes and lacrimation. The cause of hay

Headache

Tension headache is very common.

Heatstroke and overheating

Heatstroke and overheating are triggered by too high body temperature. Temperature rises due to excessive heat supply and low heat dissipation. The first

Hyperventilation

Hyperventilation is an unnecessary rapid and deep breathing, most commonly seen in connection with anxiety. The signs of hyperventilation are: prick of face

Influenza

It varies a lot how ill people become from influenza. Especially older people and people with a weak heart or smoker’s lungs become very ill. It is recommended

Injuries

Most frequently, adults get hurt on the workplace or when they do sports. It can be hard to determine whether a bone is broken, but if you can move normally

Meningitis

Meningitis (cerebrospinal meningitis) is a rare but very serious illness. The cause is either virus or bacteria. It is the bacterial inflammation that causes

Migraine

Attacks of unilateral headaches in one side of the head, vomiting and sensitivity towards sound and light are typical. Not all attacks are equally bad. Most

Mononucleosis (Mono)

Mono is a viral infection. The illness is especially seen with teenagers and adults. It appears as fever, a sore throat and swollen lymph glands. You should

Nosebleed

Far most people experience nosebleed one or several times. Most cases of nosebleed arise because you pick your nose or because you receive a blow to the nose.

Pain in the Ears

With children, pain in the ears are often caused by inflammation of the middle ear, while it is often a sign of inflammation of the ear canal (otitis) or

Paralysis – acute break out

An acute paralysis is a serious and life-threatening condition due to failure of our nervous system. The cause can be a blood clot, an infection or a tumor in

Removal of tonsils

You have two tonsils that sit back in the throat. The first years of life tonsils are important for the development of the immune system, but then they have no

Sinusitis

Sinusitis is often seen in connection with a common cold. Normally, sinusitis can be treated with medication bought over the counter. If it does not help, you

Sore neck

Neck pain is very frequent. The pain usually disappears by itself. If you while you have a sore neck also have pain in an arm may be signs of a herniated disc.

Sore Throat

Tonsillitis is often caused by a virus and should not be treated with penicillin. By performing a graft on your throat the doctor can determine whether the tonsillitis is caused by bacteria and therefore should be treated with antibiotics. There is reason to suspect mononucleosis in the case of tonsillitis that lasts longer than 1 […]

Squinting

Normally, both eyes point in the same direction and look at the same target. In the case of squinting, only one eye looks at the target. The other eye looks in

Tonsillitis

Most often, tonsillitis is caused by a virus and should not be treated with penicillin. By a grafting from your throat, your doctor can determine whether

Tooth Injuries

Tooth injuries most frequently occur following a fall or a blow to the face. The injuries vary from small bleedings in the gums, a loose tooth to one or more

Waterbrashes, Heartburns and Stomach Ulcers

Waterbrashes and heartburns are very common. Ulcers, backflow of stomach acid into the oesophagus and an irritated stomach cause heartburns and waterbrashes.

Symptoms

Anxiety

The feeling of anxiety is common in severe stresses, but can also be an independent disease. Anxiety can be a part of another mental illness. Alcohol and

Depression

Depression is a mental illness that appears by persistent blues, decreased lust, interest, energy and increased fatigue. Many people are briefly ‘depressed’ in

Eye Problems – Frequent Signs

     Frequent signs       Consider!     Red eye Inflammation   of the EyeEye Injuries/Red EyeKeratitisAllergyIris Inflammation Red rim of the eyelid Inflammation of the Eyelid   Pain in the eye Dry   EyesEye Injuries/Red EyeKeratitisGlaucomaIris Inflammation Sensation of gravel in the eyes Dry EyesInflammation   of the EyeEye Injuries/Red Eye  Itching eyes AllergyDry […]

Headache

Tension headache is very common.

Pain in the Ears

With children, pain in the ears are often caused by inflammation of the middle ear, while it is often a sign of inflammation of the ear canal (otitis) or

Sore Throat

Tonsillitis is often caused by a virus and should not be treated with penicillin. By performing a graft on your throat the doctor can determine whether the tonsillitis is caused by bacteria and therefore should be treated with antibiotics. There is reason to suspect mononucleosis in the case of tonsillitis that lasts longer than 1 […]

Health

Eye Problems – Frequent Signs

     Frequent signs       Consider!     Red eye Inflammation   of the EyeEye Injuries/Red EyeKeratitisAllergyIris Inflammation Red rim of the eyelid Inflammation of the Eyelid   Pain in the eye Dry   EyesEye Injuries/Red EyeKeratitisGlaucomaIris Inflammation Sensation of gravel in the eyes Dry EyesInflammation   of the EyeEye Injuries/Red Eye  Itching eyes AllergyDry […]

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