Concussion symptoms
Headache, dizziness, brain fog, and light sensitivity after a head injury suggest concussion. Loss of consciousness or worsening symptoms need the ER; otherwise a provider can guide recovery online.
Also called: mild TBI · post-concussion syndrome · head injury signs
Seek urgent care or the ER if you have:
- Symptoms that are sudden, severe, or rapidly worsening
- High fever (over 103°F / 39.4°C) that doesn't respond to treatment
- Chest pain, trouble breathing, fainting, or confusion
- Signs of dehydration — dizziness, dark urine, unable to keep fluids down
- Symptoms in someone who is pregnant, immunocompromised, or over 65
Conditions related to concussion symptoms
These conditions may be associated with this topic. They are not a diagnosis or a ranked list of causes; follow the urgent-care guidance below.
Migraines is related to this topic. Its presence here does not establish the cause of concussion symptoms or that acute symptoms can be treated online.
Tension headache is related to this topic. Its presence here does not establish the cause of concussion symptoms or that acute symptoms can be treated online.
Insomnia is related to this topic. Its presence here does not establish the cause of concussion symptoms or that acute symptoms can be treated online.
When to see a clinician
- Symptoms have lasted more than a few days without improving, or keep coming back
- You're not sure if this needs antibiotics, prescription treatment, or watchful waiting
- You have a chronic condition (diabetes, heart disease, immunocompromised) that raises the stakes
- You want guidance on whether your symptoms need an online evaluation or in-person care
How to get care on Ondoc
Related information for concussion symptoms, not a diagnosis or a substitute for urgent care.
Related information for concussion symptoms, not a diagnosis or a substitute for urgent care.
Related information for concussion symptoms, not a diagnosis or a substitute for urgent care.