Concussion
A concussion is a mild traumatic brain injury caused by a bump, blow, or jolt to the head that disrupts normal brain function. It typically involves temporary symptoms like headaches and issues with concentration or balance.
Overview
A concussion is a mild traumatic brain injury caused by a bump, blow, or jolt to the head that disrupts normal brain function. It typically involves temporary symptoms like headaches and issues with concentration or balance.
Symptoms
Click any symptom to analyzeCauses
- •Falls from heights or on slippery surfaces
- •Direct blows to the head or neck
- •Motor vehicle accidents
- •Sports-related injuries and collisions
- •Violent shaking of the upper body
Risk factors
- •Participating in high-impact contact sports
- •History of previous concussions
- •Being a child or older adult (increased fall risk)
- •Incorrect use of safety equipment like helmets
How it progresses
4 stages- Stage 1 — SilentOften no noticeable symptoms; only detected on routine exam.Often missed
- Stage 2 — Early changesSubtle peripheral or functional changes begin to appear.
- Stage 3 — EstablishedClear symptoms that interfere with daily activities.
- Stage 4 — AdvancedSignificant impairment if untreated; requires specialist care.
How it's diagnosed
- •Neurological physical exam
- •Cognitive testing for memory and focus
- •Observation for behavioral changes
- •CT or MRI scans (to rule out bleeding)
Treatment options
General educational information only — no dosage advice. Always follow guidance from a qualified clinician.
- •Acetaminophen for headache management
- •Monitoring for worsening symptoms
- •Physical and cognitive rest for 24-48 hours
- •Gradual return to school or work activities
- •Limiting screen time and bright lights
- •Avoiding sports until cleared by a doctor
- •Hydration and healthy nutrition
- •Physical rest to allow brain recovery
- •Mental rest from taxing cognitive tasks
Complications
- •Long-term damage if untreated
- •Persistent headaches
- •Cognitive symptoms
- •Sleep disruption
- •Recurrence of concussion
Prevention
- •Manage stress and sleep
- •Stay hydrated
- •Avoid known triggers
When to seek help
- •Symptoms persist beyond a few days
- •Symptoms interfere with daily activities
- •New or worsening symptoms appear
- •Concerning changes related to concussion
- Seizures or convulsions
- Repeated vomiting or nausea
- Loss of consciousness for more than 30 seconds
- One pupil larger than the other
- Slurred speech or severe confusion
In any emergency, call your local emergency number or go to the nearest emergency department.
Real-world questions
- ›Can Concussion cause headaches?
- ›Is Concussion reversible?
- ›How quickly does Concussion progress?
- ›Is Concussion hereditary?
- ›Can Concussion be prevented?
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Frequently asked questions
Possible causes of Concussion include Falls from heights or on slippery surfaces, Direct blows to the head or neck, Motor vehicle accidents, Sports-related injuries and collisions.
Concussion can be serious and may require prompt medical attention, especially if symptoms are severe or worsening.
Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.
Concussion typically benefits from medical evaluation and should not be ignored.
Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.
Sources
Information based on general medical references such as:
Last reviewed: May 2026