Can brain injury cause the meninges to swell?

Yes, brain injury can lead to swelling of the meninges, a condition known as meningitis or meningeal irritation. This swelling may occur due to inflammation caused by trauma, infection, or other pathological processes following the injury. The increased pressure and inflammation can result in symptoms such as headaches, nausea, and neurological deficits. Prompt medical evaluation and treatment are essential to manage these complications.