We're accepting new patients

(587) 316-3932

!

SantiMed Blog

When to Seek Concussion Assessment After a Hit

Aug 18, 2026

A fall on the stairs, a collision during a game, or a hard bump in a vehicle can leave someone feeling “not quite right” even when there is no visible injury. Knowing when to seek concussion assessment helps you act promptly without assuming that a person needs to lose consciousness or have a severe headache for the injury to be real.

A concussion is a mild traumatic brain injury caused by a blow, jolt, or force that makes the brain move rapidly inside the skull. Symptoms can be immediate, but they may also appear or become more noticeable over several hours. A timely medical assessment can identify concerning signs, provide practical recovery guidance, and create a clear plan for returning to work, school, driving, sports, and daily life.

When to seek concussion assessment

Seek a same-day medical assessment if a person has hit their head or experienced a forceful jolt to the body and develops symptoms that could indicate a concussion. These can include headache, dizziness, nausea, balance problems, blurred vision, sensitivity to light or noise, fatigue, or feeling slowed down.

Changes in thinking and mood also matter. Trouble concentrating, memory gaps around the injury, feeling foggy, irritability, anxiety, unusual sadness, or sleep changes can all occur after a concussion. A person may look physically well while still having symptoms that affect their safety and ability to function.

Assessment is especially worthwhile when symptoms interfere with normal responsibilities. An adult who cannot comfortably focus at work, a student struggling to follow a lesson, or an athlete whose reaction time feels off should not try to push through it. Early guidance often makes recovery more manageable and reduces the chance of another injury before the brain has recovered.

You should also arrange an evaluation for any child or teen with suspected concussion symptoms. Young people may not have the words to describe what they feel, and their symptoms may show up as clinginess, crying more than usual, reduced interest in play, poor coordination, changes in school performance, or unusual sleep patterns.

Get emergency care for warning signs

Most concussions do not require emergency treatment, but some symptoms can signal a more serious brain injury or bleeding around the brain. Call 911 or go to the nearest emergency department right away if the injured person has any of the following:

  • A worsening or severe headache
  • Repeated vomiting
  • Increasing confusion, agitation, or unusual behavior
  • Difficulty staying awake or being hard to wake
  • Slurred speech, weakness, numbness, or poor coordination
  • A seizure, fainting, or loss of consciousness
  • One pupil that appears larger than the other, double vision, or new vision loss
  • Clear fluid or blood coming from the nose or ears

Emergency evaluation is also the safer choice after a significant head injury in someone taking blood-thinning medication, someone with a bleeding disorder, or an older adult. The symptoms of bleeding can be subtle at first, and waiting for them to become obvious is not a safe plan.

If you are unsure whether symptoms are severe enough, choose the more cautious option. Do not have the person drive themselves. Keep them with a responsible adult while arranging care, particularly during the first several hours after the injury.

A concussion can happen without being knocked out

Loss of consciousness is only one possible sign of concussion. Many people with a concussion remain awake and can continue talking, walking, or even playing for a short time afterward. That does not rule out an injury.

Symptoms may evolve as the body settles after the incident. For example, someone may initially feel embarrassed but fine after a fall, then develop a headache, dizziness, or concentration problems later that evening. This is one reason a person with a possible concussion should avoid sports, heavy physical exertion, alcohol, and risky activities until they have been assessed or their symptoms have clearly resolved under medical guidance.

It also helps to consider the mechanism of injury. A direct blow to the head is not required. Whiplash-type forces from a vehicle collision, a forceful tackle, or a sudden fall can cause the rapid movement associated with concussion, even if the head never strikes an object.

What a concussion assessment involves

A medical assessment is not simply a scan. A clinician will ask how the injury occurred, when symptoms began, whether there was memory loss or loss of consciousness, and whether symptoms are improving or worsening. They may check balance, eye movements, coordination, strength, sensation, memory, and concentration.

Imaging is not needed for every concussion. A CT scan may be recommended when there are red flags for bleeding or a skull injury, but it does not diagnose most concussions. The purpose of the assessment is to rule out urgent concerns and build an appropriate recovery plan based on the person’s symptoms, health history, age, and daily demands.

For many patients, that plan includes a short period of relative rest followed by a gradual return to regular activities. Complete isolation in a dark room for days is usually not the goal. Instead, recovery often works best with sensible limits: reduce activities that clearly worsen symptoms, get regular sleep, stay hydrated, and reintroduce light physical and mental activity as tolerated.

Returning to work, school, and activity safely

Recovery is not identical for everyone. Some people improve within days, while others have symptoms that last for weeks. Trying to return to full activity too soon can aggravate symptoms and increase the risk of a second injury.

For work or school, temporary adjustments may help. This could mean shorter days, extra breaks, reduced screen time, less time in loud environments, or postponing tasks that require intense concentration. A clinician can provide documentation and guidance that reflects the person’s symptoms rather than relying on a one-size-fits-all timeline.

For sports and physically demanding jobs, return should be gradual and supervised. A person should not return to contact sport or activities with a risk of falling until they are symptom-free at rest and have progressed through activity steps without symptoms returning. Children and teens should be managed with particular care because returning too soon can have more serious consequences.

Persistent symptoms deserve follow-up. Headaches, dizziness, neck pain, sleep problems, mood changes, or difficulty concentrating may need targeted treatment. Coordinated care can be useful when recovery involves more than one concern, such as physician follow-up alongside physiotherapy for balance or neck symptoms, or mental health support for anxiety and sleep disruption.

What to do while waiting for care

After a suspected concussion, keep the person calm and avoid unnecessary activity. Acetaminophen may be appropriate for pain if it is safe for the individual, but avoid taking medication to mask symptoms and then returning to sport or strenuous work. A clinician can advise on pain relief based on the injury and medical history.

It is reasonable to let someone sleep after a concussion if they are alert, stable, and have no emergency warning signs. The key is that a responsible adult should be aware of the injury, monitor for worsening symptoms, and seek urgent help if warning signs develop. Repeatedly waking a person through the night is not always necessary, but the advice can vary based on the injury and the clinician’s assessment.

At SantiMed, patients can access timely evaluation for common acute injuries and a connected path to follow-up care when symptoms affect recovery. If a head injury has left you or your child feeling different, confused, dizzy, or unable to manage normal activities, trust that change and arrange an assessment. Prompt, compassionate care can replace uncertainty with a safer next step.

Read our other articles

Get care today for
mental health