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How do I check for a concussion?

Author

Rachel Ellis

Published Jan 19, 2026

  1. Headache or “pressure” in head.
  2. Nausea or vomiting.
  3. Balance problems or dizziness, or double or blurry vision.
  4. Bothered by light or noise.
  5. Feeling sluggish, hazy, foggy, or groggy.
  6. Confusion, or concentration or memory problems.
  7. Just not “feeling right,” or “feeling down”.

How can you test for a concussion at home?

Look for:

  1. Changes in day-to-day functioning.
  2. Eye pain and/or eye fatigue.
  3. Headache.
  4. Changes in sleep patterns.
  5. Neck pain or stiffness.
  6. Imbalance, dropping things, bumping into things.
  7. Impaired depth perception (having difficulty seeing the distance between two items)
  8. Difficulty remembering things.

How long after hitting head can concussion symptoms start?

"For some people, the symptoms after a concussion may not become apparent until later in the day,” says Beth Kolar, advanced clinician at Bryn Mawr Rehabilitation Hospital, part of Main Line Health, who explains that delayed concussion symptoms may present 24 to 48 hours after and injury.

What should I do if I think I have a concussion?

It's critical to seek immediate medical attention in a hospital or emergency department if any of these symptoms are present:

  1. Loss of consciousness, even if only briefly.
  2. Any period of amnesia, or loss of memory for the event.
  3. Feeling dazed or confused.
  4. Headache.
  5. Vomiting.
  6. Seizure.

Should I go to ER for concussion?

Should I Go to the Hospital for a Concussion? In general, any head injury associated with loss of consciousness, seizures, prolonged confusion or amnesia, neck pain, vomiting or numbness or weakness in arms or legs should be transported to the emergency room in an ambulance right away.

38 related questions found

Should I get checked for a concussion?

Seek emergency care for an adult or child who experiences a head injury and signs and symptoms such as: Repeated vomiting or nausea. A loss of consciousness lasting longer than 30 seconds. A headache that gets worse over time.

What are 5 signs of a concussion?

  • Headache or “pressure” in head.
  • Nausea or vomiting.
  • Balance problems or dizziness, or double or blurry vision.
  • Bothered by light or noise.
  • Feeling sluggish, hazy, foggy, or groggy.
  • Confusion, or concentration or memory problems.
  • Just not “feeling right,” or “feeling down”.

Can I sleep with a concussion?

Generally, both adults2 and children3 can safely sleep after a concussion, once they have visited their doctor or an emergency room. Although sleeping after a concussion is considered safe, it is more difficult to assess a person's symptoms when they are asleep.

What are the stages of a concussion?

There are three grades: Grade 1: Mild, with symptoms that last less than 15 minutes and involve no loss of consciousness. Grade 2: Moderate, with symptoms that last longer than 15 minutes and involve no loss of consciousness. Grade 3: Severe, in which the person loses consciousness, sometimes for just a few seconds.

Can you self diagnose a concussion?

It's important to note, though, that there's no concussion test that can provide a diagnosis at home. While there's no conclusive type of at-home concussion test, parents and coaches still play an important role in noticing a problem. It's important to keep an eye out for these specific symptoms: Balance issues.

How do you test for a concussion with a flashlight?

One simple concussion assessment test is to shine a low-beam flashlight from the outer edge of each eye inward. Pupils should quickly get smaller (constrict) in response to the light. A slow pupil response to light may be a sign of brain injury (increased intracranial pressure or ICP).

How long should you stay awake after hitting head?

Doctors say not allowing someone to fall asleep after a concussion and needing to wake someone hourly after one are myths. However, surveys have shown that many people still believe you should stay awake for 24 hours after hitting your head. 1 In reality, sleep may be the best remedy.

How do you treat a head injury at home?

Be guided by your doctor, but self-care suggestions include:

  1. Don't drive home from the hospital. ...
  2. Rest quietly for the day.
  3. Use icepacks over any swollen or painful area.
  4. Take simple painkillers such as paracetamol for any headache. ...
  5. Arrange for someone to stay with you for the next 24 hours, in case you need help.

What happens if a concussion goes untreated?

A: Concussion left untreated can lead to long-term complications. Potential complications of a concussion include chronic headaches, memory problems, vertigo, and post-concussion syndrome, which is headaches, dizziness, mood swings, and brain fog that can continue for months or years after a concussion.

What position should you sleep in with a concussion?

Make sure you are keeping yourself positioned as close to neutral as possible. This means keeping your head aligned with your spine, regardless if you're lying on your side or on your back. If you're lying on your side, you may need to use two pillows to keep your head elevated to the correct height.

Can doctors do anything for a concussion?

Your doctor may recommend different therapies as well, such as rehabilitation for vision, rehabilitation for balance problems, or cognitive rehabilitation for problems with thinking and memory.

What are 3 symptoms of a concussion?

Concussion Danger Signs

  • One pupil larger than the other.
  • Drowsiness or inability to wake up.
  • A headache that gets worse and does not go away.
  • Slurred speech, weakness, numbness, or decreased coordination.
  • Repeated vomiting or nausea, convulsions or seizures (shaking or twitching).

How do you know if a bump on the head is serious?

If a small, painful bump is your only symptom, this will likely resolve on its own. If a head injury is accompanied by other symptoms such as severe headache, loss of consciousness, repeated vomiting, vision changes, or severe neck pain, this requires medical evaluation.

What are the symptoms of a slow brain bleed?

Symptoms

  • Increasing headache.
  • Vomiting.
  • Drowsiness and progressive loss of consciousness.
  • Dizziness.
  • Confusion.
  • Unequal pupil size.
  • Slurred speech.
  • Loss of movement (paralysis) on the opposite side of the body from the head injury.

How do you know if your brain is bleeding after hitting your head?

Sharp and painful headaches, along with confusion, are often the first signs of brain bleeding. However, the symptoms often depend on the bleed's location. If you recently suffered from brain trauma and begin experiencing different or worsening symptoms, seek emergency medical help immediately.

What are the 4 categories of concussion symptoms?

The signs and symptoms of concussion reported within 1 to 7 days post injury (see Table 3-3) typically fall into four categories—physical (somatic), cognitive, emotional (affective), and sleep—and patients will experience one or more symptoms from one or more categories.

What does a brain bleed headache feel like?

Sudden tingling, weakness, numbness, or paralysis of the face, arm or leg, particularly on one side of the body. Headache. (Sudden, severe “thunderclap” headache occurs with subarachnoid hemorrhage.) Nausea and vomiting.

Should I put ice on my head after hitting it?

Head injuries are often not serious, but brain injuries can be. Any threat of brain damage from a head injury should be checked by a physician. Ice applied to the bruised area will help control swelling. Any vision problems or bleeding from the eyes or ears as a result of a head injury warrants a trip to a physician.

How much rest do you need after a concussion?

Right after a concussion, in what doctors call the acute phase, experts recommend 24–72 hours of rest. During this time, individuals need to cut back on all their activities, from work and school to sports and housework. People should not take any medication without a doctor's advice.

Can a concussion go away by itself?

Most concussions resolve on their own without any lasting effects. However, some concussions can accompany a more serious injury that requires treatment. Seek emergency treatment if you notice any of the following after a concussion: sudden, intense headaches.