The discharge paperwork after a head injury tends to say a version of the same thing. Take it easy for a few days, go back to work gradually, and count on feeling normal again inside two weeks or so. Plenty of people follow that script exactly. Others watch two weeks go by, then a month, then most of a season, while something stays out of place. The headaches get rarer, yet waking up still feels like work. A busy room is harder to sit in than it used to be. The job still gets finished, only now it takes everything you have.
If that second description fits, here is the thing worth hearing first. A recovery that stalls says nothing about your character, and nobody is inventing the symptoms. The pattern turns up often enough that trauma programs keep records on it, and the piece that usually goes longest without a name is mood.
Why the timeline sometimes runs long
Several problems usually land together after a crash, a fall, or a concussion, then peel apart at different speeds. Sleep breaks up. Pain settles into the neck and the jaw as much as the skull. Focus gets thin. Run any one of those for a month and mood sinks with it, and once mood sinks, sleeping and concentrating get harder still. Three months on, untangling cause from consequence is genuinely difficult.
Mood deserves more than a footnote here. Among 559 adults admitted to the hospital with a traumatic brain injury, 53.1 percent met criteria for major depression at some point during the year that followed, according to research published in JAMA in 2010. Those were injuries serious enough to require admission, so the figure does not map onto every knock to the head. The useful takeaway is narrower: depression afterward is common rather than strange, and somebody should be asking about it out loud instead of hoping it passes.
A duller reason also keeps symptoms around, which is that the follow up tends to evaporate. Discharge instructions get written for the course most people take. When your course is the other one, the calendar is empty, no one owns the file, and the question of whose job this is has no answer. A few weeks of that becomes a private theory about being weak, when the truth is that nobody has reviewed the whole picture since the week it happened.
When mood turns into the main event
The signal to watch for is the handoff from symptoms that hurt to symptoms that flatten you out. In the first weeks the complaints are physical and loud. Months later, what keeps people stuck is quieter. Four in the morning with the ceiling. Hobbies that no longer tug at you the way they once did. A short fuse with the people who least deserve it. The suspicion that whoever you were before the wreck has stopped returning your calls. Raise those with your clinician as their own agenda item rather than tacking them onto a report about headaches.
Ordinary depression care is still where this starts, and for a lot of people it settles the matter. For a lot of others it does not land on the first or second attempt. The STAR*D project, the broadest real world look at trying antidepressants in sequence, found that many participants had still not reached remission after two treatment steps, as reported in the American Journal of Psychiatry in 2006. Depression that survives two honest medication trials, each one carried at a dose and across a span of weeks that made it a genuine test, gets called treatment resistant. The term summarizes a treatment history. It is not a ruling on you.
A past head injury earns a place in that discussion for one narrow reason. It sits among the features that make depression less likely to yield to first line treatment, which makes it relevant when you and a clinician map out the next attempt. That is all it is. A concussion in your past is not a reason to go looking for an infusion, and no treatment sold anywhere today does anything about the original injury.
Questions worth asking, and cautions worth keeping
Once mood is the stubborn part, the list of options looks like the list anyone else with treatment resistant depression would see. A different class of medication. A structured course of talk therapy pointed at the symptoms you have now. Ketamine delivered under clinical monitoring. Or esketamine nasal spray, marketed as Spravato, which is available only at clinics that have signed on to its REMS program. Every one of those comes with screening, with monitoring, and with circumstances in which the right answer from a clinician is no. When a head injury is in the history, blood pressure, balance, current prescriptions, and any question of seizures all weigh on that screening.
Work on ketamine for post traumatic stress symptoms does exist and it remains at an early stage, including a 2014 randomized trial reported in JAMA Psychiatry, and a careful clinician will also tell you that the evidence about mood after a brain injury in particular is thinner than the advertising implies. That argues for blunt questions, not for giving up. Brain Recovery Centers, which works with patients around St. Charles County, publishes notes for readers whose trouble began with a crash, and reading it is one way to see how an intake conversation there gets framed before you dial.
Three questions tend to unstick things faster than anything else. Who is following these symptoms from one month to the next, and when do we meet again. Is the mood part being handled as a problem in its own right. If two medications have genuinely been tried, what does a third step look like. Put them to whoever you already trust, whether that is your primary care clinician, the doctor who saw you after the injury, or a psychiatric clinician if one is already involved. Waiting until your patience is gone was never a requirement.