Brain fog • What does brain fog feel like?

Disoriented, unfocused and forgetful: Brain fog feels like fog in your head. Those affected are often unable to think clearly. Read here what helps against brain fog and what causes are possible.

On the face of it:

Brain Food: Energy Providers for the Brain

Brain Food: Energy Providers for the Brain

Brain fog: What is brain fog?

The term brain fog comes from English, in German it means “fog in the brain”. Brain fog is not a disease in itself, but a generic term for various symptoms, which in turn can be caused by a variety of diseases and brain dysfunctions. Brain fog is always accompanied by a clouding of consciousness.

Brain Fog Symptoms: How Does Brain Fog Manifest?

Brain fog manifests itself through a variety of complaints, the most important of which are:

There may also be other symptoms such as headache, fatigue and lethargy. Many sufferers find it difficult to cope with everyday life because they forget what they wanted to do or say. Some have the feeling that they can no longer think clearly. The performance is usually severely limited.

Brain fog: causes and triggers of brain fog

Brain fog can have many causes and can, for example, arise in the context of mental illnesses such as an anxiety disorder or depression. In addition, stress and lack of sleep can be behind the foggy brain and decreased concentration.

Various diseases also cause brain fog. The memory problems are typical, for example, after overcoming an infection with the corona virus, as part of the post-Covid syndrome (also known as long covid).

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The following diseases are also possible causes of brain fog:

Additionally, hormonal changes during menopause or pregnancy can cause brain fog. In addition, the wrong gluten-containing diet in the case of gluten intolerance (coeliac disease) can also cause clouding of consciousness. Chemotherapy to treat cancer can also cause brain fog.

Diagnosis: How is brain fog diagnosed?

The diagnosis of brain fog is difficult, there are no objective diagnostic signs of clouded consciousness. Doctors depend on the precise description of those affected. Patients with diffuse symptoms are not always taken seriously.

The right point of contact for Brain fog may be a general practitioner or neurological practice. The first task there is to find out the cause of the fog in the brain. Blood tests are ordered for this purpose. Also a precise examination using electroencephalography (EEG) or imaging methods such as magnetic resonance imaging (MRI). In addition, previous illnesses such as a previous infection with the corona virus play a decisive role in the diagnosis.

Treatment: What to do with brain fog?

The treatment of Brain fog depends on the respective cause, there is no uniform therapy. If a mental illness is the cause, psychotherapy and medication can help relieve the symptoms. An underlying disease such as AIDS, migraine or Alzheimer’s dementia must be treated with medication. In addition, a healthy lifestyle with adequate sleep, a healthy diet and reducing stress is recommended. Some people find it helpful to practice a relaxation technique such as Jacobson’s progressive muscle relaxation or to meditate. Alcohol and other drugs should be avoided.

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ME/CFS and Lung Covid: Targeted cure not yet possible

In the case of Long Covid and ME/CFS as the cause of brain fog, there is still no effective therapy. Contrary to what is often recommended, moderate exercise does not help patients with these clinical pictures to slowly increase their performance level. In these cases, stress and tension lead to so-called collapses (also known as post-exertion malaise), which is accompanied by a partially permanent deterioration in the general state of health.

The therapy must be individually adapted to the affected person by trained doctors, so-called “pacing” is usually the focus of treatment. Pacing is an activity and energy management: Affected people must learn to take care of themselves and to use their physical and mental resources correctly.

Research gives hope for new treatment options

In addition, intensive research is currently being conducted into the causes of the neurological symptoms after a corona infection. Medical studies give initial indications that brain fog in Lung Covid has similar causes as in the case of Alzheimer’s and dementia. Experts have found certain protein deposits in the brains of sufferers that may be responsible for symptoms such as poor memory.

These research results fuel hope for new forms of therapy for Lung Covid: It is possible that the symptoms can be alleviated by the use of Alzheimer’s drugs.

Dealing with brain fog: Exchange with other affected people

Brain fog can severely limit the life and performance of affected people and cause a high level of suffering. The exact cause of the clouding of consciousness cannot always be identified or specifically treated. If those affected are also not taken seriously by medical personnel, this can increase the suffering for those affected.

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To better cope with the symptoms and the limitations in everyday life, the exchange with other affected people can help. Additionally, psychotherapeutic treatment can help deal with the brain fog, especially when there is little chance of curing the symptoms.


Symptoms: Concentration problems, confusion, disorientation, speech disorders, difficulty finding words, forgetfulness

Treatment: Treatment depends on the cause

Causes: including Alzheimer’s, Lung Covid, ME/CFS, Migraine, Epilepsy

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Brain training in seven steps



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