Brain Fog
Free Symptom Checker
with Physician-supervised AI
Reviewed By:
Bret Mobley, MD, MS (Neuropathology)
Dr. Mobley graduated from the University of Michigan Medical School, completing a masters degree in neuroscience between his second and third years of medical school. He trained as a resident in pathology at Stanford University Hospital before joining the faculty of Vanderbilt University Medical Center in Nashville Tennessee in 2010. He was promoted to Associate Professor in 2018 and to Neuropathology Division Director in 2020.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Yu Shirai, MD (Psychiatry)
Dr. Shirai works at the Yotsuya Yui Clinic for mental health treatment for English and Portuguese-speaking patients. He treats a wide range of patients from neurodevelopmental disorders to dementia in children and participates in knowledge sharing through the Diversity Clinic.
Content updated on Jan 4, 2023
Following the Medical Content Editorial Policy
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Foggy head/brain
My brain is not processing ideas correctly
Unconsciousness
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How Ubie Can Help You
With an easy 3-min questionnaire , Ubie's AI-powered system will generate a free report on possible causes.
Questions are customized to your situation and symptoms, including the following personal information:
Biological Sex - helps us provide relevant suggestions for male vs. female conditions.
Age - adjusts our guidance based on any age-related health factors.
History - considers past illnesses, surgeries, family history, and lifestyle choices.
Your symptoms
Our AI
Your report
Your personal report will tell you
✔ When to see a doctor
✔︎ What causes your symptoms
✔︎ Treatment information etc.
People with similar symptoms also use Ubie's symptom checker to find possible causes
- My brain is not working properly
- My brain is not working
- Loss of consciousness
- Losing consciousness
Just 3 minutes.
Developed by doctors.
Try Free Symptom QuizAbout the Symptom
A disorder of consciousness, also known as "impaired consciousness", is when a person's ability to be awake and aware is impaired. After brain injury, a patient may recover consciousness completely or may not recover completely. If the patient does not recover completely and has problems with being awake and aware, this is considered a "disorder of consciousness".
When to See a Doctor
Seek professional care if you experience any of the following symptoms
- Brain not functioning / Brain fog
Possible Causes
Generally, Brain fog can be related to:
- Acute Disseminated Encephalomyelitis
Acute disseminated encephalomyelitis involves widespread inflammation of the brain and spinal cord, resulting in damage to nerve fibers and their protective linings. It is a result of inflammation that occurs after after an infection or immunization. While it can affect anyone it is more common in children.
Related Serious Diseases
Sometimes, Brain fog may be related to these serious diseases:
- Shock
Shock is a life-threatening condition that happens when the body's blood pressure is too low to support its organs' function. Shock can cause organ damage and even death. It can occur due to decreased blood volume, obstructions to blood flow through the heart and lungs, severe allergic reactions, severe infections, and damage to the nervous system.
- Hepatic Encephalopathy
- Aortic Dissection / Aortic Aneurysm Rupture
- Wernicke Encephalopathy
- Acute Epidural Hematoma
- Acute Subdural Hematoma
- Acute Pericarditis
- Pontine Infarction / Hemorrhage
- Neuroleptic Malignant Syndrome
Doctor's Diagnostic Questions
Your doctor may ask these questions to check for this symptom:
- Do you struggle to focus or feel less aware of your surroundings?
- How long have you been experiencing difficulty with your brain function?
- During brain fog, how do you respond to external stimuli?
- How has your brain function changed since it started?
Just 3 minutes.
Developed by doctors.
Try Free Symptom QuizFind Similar Symptoms
Similar symptoms or complaints
Symptoms from similar body parts
Symptoms treated by the same specialty
Reviewed By:
Bret Mobley, MD, MS (Neuropathology)
Dr. Mobley graduated from the University of Michigan Medical School, completing a masters degree in neuroscience between his second and third years of medical school. He trained as a resident in pathology at Stanford University Hospital before joining the faculty of Vanderbilt University Medical Center in Nashville Tennessee in 2010. He was promoted to Associate Professor in 2018 and to Neuropathology Division Director in 2020.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Yu Shirai, MD (Psychiatry)
Dr. Shirai works at the Yotsuya Yui Clinic for mental health treatment for English and Portuguese-speaking patients. He treats a wide range of patients from neurodevelopmental disorders to dementia in children and participates in knowledge sharing through the Diversity Clinic.
User testimonials
This symptom checker site is a great resource to either get an idea of what is happening inside your body or even get a second opinion without incurring another huge bill. It also provides a way to connect with a professional if needed. I really enjoy this site.
Aug 30, 2024 (Female, 40s)
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