Phenytoin could protect against brain fog in long Covid

Thanks to Jonas R Kunst for sharing this interesting paper.

Maxime Taquet, Paul J Harrison, Exposure to phenytoin associates with a lower risk of post-COVID cognitive deficits: a cohort study, Brain Communications, Volume 4, Issue 4, 2022, fcac206,

Important to note that the patients were already on phenytoin treatment. It is not clear that this would be beneficial to prescribe for the general long Covid cohort.