Fatigue after a concussion can make an ordinary day feel unexpectedly long. Reading a few pages, sitting through a meeting or riding in a car may take more effort than it did before the injury. The CDC includes low energy and sleep changes among possible concussion symptoms, and symptoms can change during recovery.
Notice what brings the fatigue on
“Tired all day” tells a clinician less than “I can read for 20 minutes, then need to stop because the headache and fogginess increase.” Record the activity, how long it lasted, the symptoms that appeared and whether a break helped. Include sleep changes, medication changes and missed work or school when they are relevant. The aim is an accurate picture for care, not a diary written for an insurer.
Fatigue can occur alongside headache, dizziness, mood changes and difficulty concentrating. Those symptoms deserve individual attention. Our article on mood changes after a concussion addresses a different issue, including when to seek mental health care. For a headache that began after a wreck, read the separate headache and concussion discussion.
Return to activity with medical guidance
The CDC’s mild traumatic brain injury recovery guidance describes a short initial period of rest, followed by a gradual return to light activity. If an activity makes symptoms worse, reduce it and discuss the pattern with a healthcare provider. Ask for written guidance about returning to work, school, driving or exercise. A long stretch of complete inactivity is not automatically the best recovery plan, and pushing through a marked symptom increase is not a useful test of willpower.
A worker may need a specific temporary adjustment, such as shorter periods of screen work or a modified schedule. The treating clinician can assess which restrictions are medically appropriate. Keep copies of those instructions and tell the clinician whether they help. If symptoms are not improving within two to three weeks, or worsen when regular activities resume, the CDC recommends follow-up.
Know the difference between fatigue and a danger sign
Ordinary tiredness after a concussion is different from becoming increasingly drowsy or difficult to wake. A worsening headache, repeated vomiting, seizure, new weakness, slurred speech or increasing confusion also calls for immediate emergency medical evaluation under the CDC danger-sign guidance. Seek medical help first; do not wait for a legal appointment.
If the concussion followed a crash, later questions about lost work or ongoing care depend on medical records that describe the symptom course and daily limits. An early report that you could walk away from the scene does not answer how you functioned in the following days. At the same time, fatigue has many possible causes, so the record should not assume every symptom was caused by the collision. Our Baton Rouge brain injury page explains how the firm evaluates medical, work and functional proof.
Louisiana’s general delictual deadline under Civil Code article 3493.1 is generally two years for injuries arising on or after July 1, 2024; earlier incidents may follow a different period. The applicable date should be checked from the specific claim. Once medical needs are addressed, you can call (225) 500-5000 to discuss a crash-related injury claim.
Last reviewed: September 26, 2026. Sources checked: September 27, 2026.
This article provides general medical and Louisiana legal information. Recovery, causation and deadlines depend on the individual facts.