What happens if you hit the back of your head?
Matthew Alvarez
Published May 03, 2026
A hard blow to the head can shake your brain inside the skull. The result: bruises, broken blood vessels, or nerve
damage to the brain
Brain damage is an injury that causes the destruction or deterioration of brain cells. In the U.S., every year, about 2.6 million people have some type of brain injury -- whether as a result of trauma, stroke, tumor, or other illnesses, according to the Brain Injury Association of America.
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Should I worry about hitting the back of my head?
Most people won't get through their life without hitting their head. After all, accidents happen, and a minor bump usually isn't cause for concern. But sometimes hitting your head can lead to a serious injury—and it's important to know when you can walk it off and when you should head straight to the emergency room.What to do if you fell and hit the back of your head?
If you fall and hit your head, it's important to call your doctor or 911 right away. Signs and symptoms of a moderate to serious head injury may include: Abnormal behavior. Excessive sleepiness.Should I go to hospital if I hit my head?
Anyone who has just sustained an impact to the head should immediately seek emergency medical care by calling 911 or visiting an emergency room if they experience any of the following symptoms: Loss of consciousness. Inability to recognize people or places. Trouble with balance or walking.Can I sleep after I hit my head?
Most medical professionals say it is fine—sometimes even advised—to let people sleep after incurring a head injury. The American Academy of Family Physicians states it is not necessary to keep a person awake after a head injury.Which symptoms are concussion red flags after you hit your head
How do I check for 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”.
What part of the head is most prone to concussions?
The parts of the brain that are most commonly affected in traumatic brain injury are the frontal and temporal lobes. And part of the reason for that is that they're up against bone, and it's fairly rigid and rough bone.How can I tell if a head injury is mild or severe?
A mild concussion may last only hours to seven to 10 days. More severe concussions may last weeks to months. Symptoms of a mild concussion that can occur minutes to hours after injury may include memory loss, confusion, headache, dizziness, balance problems, nausea or vomiting, tiredness, crankiness, or irritability.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.How can you test for a concussion at home?
Look for:
- Changes in day-to-day functioning.
- Eye pain and/or eye fatigue.
- Headache.
- Changes in sleep patterns.
- Neck pain or stiffness.
- Imbalance, dropping things, bumping into things.
- Impaired depth perception (having difficulty seeing the distance between two items)
- Difficulty remembering things.