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Cok Kinzler PLLP

How long can a concussion take to appear?

Cases of concussions seem to be popping up more and more in stories both in Bozeman and throughout the rest of the U.S. You, like many, may not classify a concussion as a traumatic brain injury, yet it is, and if ignored or left untreated, it can have lasting effects on your cognitive functions. Immediately after sustaining head trauma, you and the healthcare providers that treat you should look for things such as nausea, vomiting, dizziness or slurred speech. These are all signs that you may have sustained a concussion. Yet what if you do not demonstrate any of these symptoms?

According to, one of the unfortunate facts about concussions is that they can take days or even weeks to fully manifest themselves. During that time, you may have returned to activity that could have easily lead to another concussion, such as contact sports or construction work. Once you have sustained an initial concussion, your chances of subsequent injuries may increase exponentially. The more concussions you experience, the more likely you may be sustain long-term damage.

How can you know if you may be suffering from an undiagnosed concussion? Most non-concussion symptoms that accompany head trauma will abate after a couple of days. However, lingering symptoms may be indicators of a late-onset concussion. These may include:

  •          Difficulty sleeping
  •          Concentration problems
  •          Sensitivity to lights and sounds
  •          Mood changes or depression

If you begin to notice any of these symptoms, you should contact a healthcare professional right away.

Your best chances at avoiding a late-onset concussion may lie in being vigilant immediately after sustaining head trauma. Requesting a CT scan or MRI could pinpoint non-apparent injuries to the brain. You may also want to wait a few days to resume certain activities as an extra precaution. 

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