Nausea after blunt force trauma, especially involving the head, is a common symptom that can last from a few hours to several days, depending on the severity of the injury. In cases of mild trauma, nausea may resolve within a day or two as the body recovers. However, if the trauma causes a concussion or more serious brain injury, nausea can persist for days or even weeks as part of post-concussion syndrome[2][3].
Blunt force trauma to the head can cause symptoms such as nausea, vomiting, dizziness, headaches, and confusion. These symptoms often appear immediately after the injury but may also develop or worsen over hours to days. The duration of nausea varies widely and is influenced by factors such as the extent of brain swelling, bleeding, or other internal injuries[1][3][6].
More serious conditions like subarachnoid hemorrhage or intracranial bleeding can cause prolonged and severe nausea accompanied by other symptoms like vomiting, loss of consciousness, and severe headaches. These require urgent medical attention because the underlying bleeding or swelling can worsen over time, leading to increased pressure on the brain[4][7].
In blunt force trauma cases involving internal injuries beyond the head, nausea may also result from damage to organs such as the liver, kidneys, or gastrointestinal tract. Internal bleeding or organ injury can cause nausea that may not appear immediately but can develop over hours or days, signaling a need for prompt evaluation and treatment[5][6].
If nausea persists beyond a few days, worsens, or is accompanied by other symptoms such as severe headache, confusion, vomiting, dizziness, or loss of consciousness, it is critical to seek medical care immediately. These signs may indicate serious complications like brain hemorrhage or internal bleeding that require urgent intervention[3][8].
Sources
https://www.dlgteam.com/blog/blunt-force-head-trauma-cause-and-effect/
https://neurohirurgija.in.rs/en/traumatic-brain-injuries-diagnosis-treatment-prognosis/
https://www.malmlegal.com/blog/blunt-force-trauma-car-accident/
https://palermolawyers.com/why-traumatic-brain-injuries-are-so-dangerous-after-a-car-accident/
https://laclinicasc.com/internal-injuries-car-accident/
https://atlinjurylawyers.com/understanding-internal-injuries-after-a-car-accident/
https://www.britannica.com/science/subarachnoid-hemorrhage
https://www.michiganautolaw.com/personal-injury-lawyer/talk-and-die-syndrome/





