Is It a Concussion? Why Your Brain Is Struggling & Medically Approved Next Steps

A concussion is a mild traumatic brain injury (mTBI) caused by a bump, blow, or jolt to the head — or even a hit to the body that causes the head and brain to move rapidly back and forth. This sudden movement can temporarily disrupt how your brain works.

If you're feeling "off" after a fall, sports injury, car accident, or other impact, you might be wondering: Is this a concussion? Understanding the symptoms, what's happening in your brain, and what to do next can help you make smart, safe decisions.

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What Happens to the Brain During a Concussion?

Your brain is a soft organ that sits inside your skull, cushioned by fluid. When you experience a sudden impact:

• The brain can shift or twist inside the skull
• Brain cells (neurons) stretch and change function
• Chemical changes occur inside brain cells
• Energy supply to the brain may temporarily decrease

This doesn't usually cause structural damage visible on standard imaging like a CT scan. Instead, a concussion affects how the brain functions. That's why many people feel symptoms even when scans look normal.

A concussion is serious — but most people recover fully with proper care.

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Common Concussion Symptoms

Symptoms may appear immediately or develop over hours to days. They can vary from person to person.

Physical Symptoms

• Headache or pressure in the head
• Nausea or vomiting
• Dizziness or balance problems
• Blurred or double vision
• Sensitivity to light or noise
• Fatigue or low energy

Cognitive (Thinking) Symptoms

• Confusion
• Slowed thinking
• Trouble concentrating
• Memory problems
• Feeling mentally "foggy"

Emotional Symptoms

• Irritability
• Anxiety
• Sadness
• Mood swings

Sleep Changes

• Sleeping more than usual
• Trouble falling asleep
• Trouble staying asleep

Not everyone with a concussion loses consciousness. In fact, most people do not black out. Loss of consciousness is not required for diagnosis.

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Why Your Brain Feels "Off"

After a concussion, your brain is working harder to do normal tasks. This can make simple activities — like reading, checking email, or holding a conversation — feel exhausting.

Here's why:

• The brain is temporarily in an energy crisis
• Blood flow regulation may be altered
• Neural communication is less efficient
• Your nervous system may be overstimulated

That's why overstimulation (bright lights, loud noise, screens) can worsen symptoms. Your brain needs time and the right balance of activity and rest to recover.

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When Is a Concussion an Emergency?

While most concussions are mild, some head injuries are more serious.

Seek emergency medical care immediately if someone experiences:

• Worsening headache
• Repeated vomiting
• Slurred speech
• Weakness or numbness in limbs
• Unequal pupils
• Increasing confusion or agitation
• Seizures
• Difficulty waking up
• Loss of consciousness lasting more than a brief moment

These could signal bleeding in the brain or other life-threatening complications.

If you are unsure, err on the side of caution and seek urgent medical attention.

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How Is a Concussion Diagnosed?

There is no single test that diagnoses a concussion. A healthcare professional will:

• Ask about the injury
• Review symptoms
• Perform a neurological exam
• Test memory, balance, coordination, and concentration

Imaging (CT or MRI) may be used to rule out bleeding or structural injury but often appears normal in a concussion.

If you're experiencing symptoms after a head injury and want to assess whether they align with a concussion, Ubie's free AI-powered Concussion Symptom Checker can help you identify and organize what you're feeling in just a few minutes before speaking with a healthcare provider.

However, an online tool is not a replacement for a medical evaluation.

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Medically Approved Next Steps After a Concussion

Modern concussion care has evolved. Complete bed rest in a dark room for days is no longer recommended for most people. Instead, experts support relative rest followed by gradual return to activity.

1. Initial Rest (First 24–48 Hours)

• Limit physical exertion
• Reduce screen time
• Avoid alcohol
• Avoid driving if dizzy or slow to react
• Get adequate sleep

Light activity like short walks around your home is usually okay if it doesn't worsen symptoms.

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2. Gradual Return to Activity

After the first 1–2 days:

• Slowly reintroduce light cognitive tasks
• Return to work or school in stages if needed
• Increase physical activity gradually
• Stop and rest if symptoms worsen

Complete inactivity for prolonged periods can actually delay recovery. The goal is balanced activity — not total shutdown.

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3. Manage Symptoms Safely

• Headaches: Acetaminophen may be recommended early on (avoid NSAIDs initially unless your doctor approves).
• Sleep problems: Maintain a regular sleep schedule.
• Screen sensitivity: Reduce brightness and take breaks.
• Dizziness: Vestibular therapy may help if symptoms persist.

Always check with a doctor before starting medications after a concussion.

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4. Avoid Second Injury

One of the most important precautions:

Do not return to contact sports or high-risk activities until medically cleared.

A second concussion before full recovery can lead to prolonged symptoms and, in rare cases, severe complications.

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How Long Does Concussion Recovery Take?

Most adults recover within 7–14 days.
Children and teens may take longer — sometimes up to four weeks or more.

However, about 10–20% of people develop persistent symptoms lasting weeks to months. This is called post-concussion syndrome.

Risk factors for longer recovery may include:

• Previous concussions
• History of migraines
• Anxiety or depression
• ADHD
• Female sex
• Early overexertion after injury

If symptoms last longer than two weeks in adults (or four weeks in children), follow up with a healthcare provider experienced in concussion management.

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Special Considerations for Children and Teens

Young brains are still developing. Children may:

• Struggle more with schoolwork
• Have mood changes
• Not fully describe symptoms

Parents should watch for:

• Increased irritability
• Declining school performance
• Changes in sleep or appetite
• Avoidance of activities

Schools can provide temporary academic adjustments, such as reduced workload or extra time for assignments.

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Preventing Future Concussions

While not all concussions are preventable, risk can be reduced by:

• Wearing properly fitted helmets during sports and biking
• Using seatbelts
• Fall-proofing homes for older adults
• Following return-to-play protocols after injury

If you've had one concussion, you may be at slightly higher risk for another — especially if returning to high-risk activity too soon.

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When to Speak to a Doctor

You should speak to a doctor if:

• You suspect a concussion
• Symptoms last more than a few days
• Symptoms interfere with work or school
• You have repeated concussions
• Any symptoms worsen over time

And immediately seek emergency care if any red-flag symptoms develop.

A concussion is a brain injury. Most recover well — but proper evaluation and guidance matter.

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The Bottom Line

If your brain feels foggy, your head hurts after a hit, or you're more sensitive to light and noise than usual, it could be a concussion.

The good news:

• Most concussions resolve fully
• Early, balanced management supports recovery
• Medical guidance improves outcomes

Don't ignore symptoms — but don't panic either. Take them seriously, monitor them carefully, and get evaluated.

If you're unsure whether your symptoms align with a concussion, use Ubie's free AI-powered Concussion Symptom Checker to quickly assess what you're experiencing and prepare for a more informed conversation with your healthcare provider.

Most importantly, speak to a doctor immediately about anything that could be serious or life-threatening. When it comes to brain health, it's always better to be cautious and informed.