A concussion is a type of mild traumatic brain injury (TBI) caused by a blow to the head or a jolt to the body that causes the brain to move rapidly within the skull. While concussions are considered mild compared to other brain injuries, they can still have serious effects if left undiagnosed or untreated. Knowing the signs of a concussion is essential for early detection and appropriate care.
What Causes a Concussion?
Concussions often result from:
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Falls
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Motor vehicle accidents
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Contact sports (e.g. AFL, rugby, soccer)
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Physical assaults
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Sudden jolts or whiplash injuries
Even if there is no visible injury, a concussion can still occur, especially when the head is shaken violently.
Common Signs and Symptoms of a Concussion
Concussion symptoms can appear immediately or may be delayed by hours or even days. They often fall into four main categories: physical, cognitive, emotional, and sleep-related.
1. Physical Symptoms
These are the most obvious signs that something may be wrong:
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Headache or pressure in the head
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Nausea or vomiting
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Dizziness or balance problems
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Blurred or double vision
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Sensitivity to light or noise
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Fatigue or drowsiness
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Loss of consciousness (even briefly)
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Ringing in the ears
2. Cognitive Symptoms
Mental function may be affected, leading to:
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Confusion or feeling “foggy”
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Trouble concentrating or remembering
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Slowed thinking or response
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Repeating questions or forgetting conversations
3. Emotional and Mood Changes
Concussions can impact emotional regulation, causing:
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Irritability or mood swings
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Anxiety or nervousness
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Depression or sadness
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Unusual behaviour or personality changes
4. Sleep-Related Symptoms
Changes in sleep patterns may also indicate a concussion:
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Sleeping more than usual
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Difficulty falling or staying asleep
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Feeling tired despite adequate rest
When to Seek Medical Attention
Seek immediate medical attention if you or someone else experiences:
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Prolonged loss of consciousness
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One pupil is larger than the other
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Seizures or convulsions
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Repeated vomiting
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Slurred speech or unusual behaviour
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Inability to wake up
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Worsening headache or confusion
Children may show different signs, such as excessive crying, changes in eating or sleeping patterns, or loss of interest in activities.
If symptoms persist or worsen, seeking help from a specialist clinic can ensure you receive appropriate and ongoing care tailored to your recovery needs.
Diagnosis and Recovery
A health professional will usually diagnose a concussion based on symptoms and a physical examination. In some cases, imaging tests like a CT scan or MRI may be used to rule out more serious injuries.
Recovery times vary. Most people recover within 1–2 weeks, but symptoms can last longer in some cases. Rest, both physical and mental, is crucial during the early stages of recovery. Gradual return to activity should be guided by a medical professional. For those seeking expert care, concussion treatment Melbourne services can provide tailored support and management plans to aid recovery and minimise long-term effects.
Preventing Concussions
While not all concussions can be prevented, you can reduce the risk by:
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Wearing appropriate protective gear during sports and recreational activities
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Ensuring safe environments to reduce fall risks (e.g. securing rugs, using handrails)
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Using seatbelts and properly installed child restraints in vehicles
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Encouraging rule adherence and fair play in contact sports
Final Thoughts
Concussions should never be taken lightly. Understanding the signs and acting promptly can help prevent long-term complications. If in doubt, always consult a healthcare professional for guidance. Early intervention is key to a safe and effective recovery.




