Read below about foggy feeling in the head, including causes and common questions. Or get a personalized analysis of your foggy feeling in the head from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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2 Potential Foggy Feeling in the Head Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Concussion Not Needing Imaging

    A traumatic brain injury (TBI), or concussion, happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in the U.S. suffer brain injuries. More than half are bad enough that people must go to the hospital, and the worst injuries can lead to permanent brain damage or death.

    Most patients with mild brain injury recover within hours to days.

    Rarity:
    Common
    Top Symptoms:
    dizziness, irritability, depressed mood, difficulty concentrating, trouble sleeping
    Symptoms that always occur with concussion not needing imaging:
    head or face injury
    Symptoms that never occur with concussion not needing imaging:
    recent fall from 6 feet or higher, severe vomiting, posttraumatic amnesia over 30 minutes, slurred speech, fainting, moderate vomiting
    Urgency:
    Primary care doctor

    Foggy Feeling in the Head Checker

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  2. 2.Concussion (Mild Traumatic Brain Injury) Needing Imaging

    Mild traumatic brain injury requiring imaging is defined as being fairly responsive after an injury to the head but with enough warning signs that a picture of the inside of the skull needs to be taken.

    Mild traumatic brain injuries have good outcomes if seen early enough by doctors. Delay can be dangerous.

    Rarity:
    Common
    Top Symptoms:
    nausea or vomiting, dizziness, difficulty concentrating, sensitivity to light, frequent mood swings
    Symptoms that always occur with concussion (mild traumatic brain injury) needing imaging:
    head or face injury
    Urgency:
    Hospital emergency room

Questions Your Doctor May Ask About Foggy Feeling in the Head

  • Q.Have you lost your appetite recently?
  • Q.Any fever today or during the last week?
  • Q.Do you currently smoke?
  • Q.Are you feeling irritable (easily made upset)?

If you've answered yes to one or more of these questions, try our foggy feeling in the head symptom checker to find out more.

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Foggy Feeling in the Head Symptom Checker Statistics

  • People who have experienced foggy feeling in the head have also experienced:

    • 15% Difficulty Concentrating
    • 8% Fatigue
    • 5% Headache
  • People who have experienced foggy feeling in the head were most often matched with:

    • 1% Concussion (Mild Traumatic Brain Injury) Needing Imaging
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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