Newly-confirmed Administrator of NASA Jared Isaacman speaks to reporters outside the White House in Washington, DC, USA, 18 December 2025. US President Donald Trump had removed Isaacman?s nomination earlier in 2025, then renominated him in November. EPA/JIM LO SCALZO 
A NASA spokeswoman said the astronaut, who she did not identify out of medical privacy, was in a stable condition on the orbiting laboratory.
"Safely conducting our missions is our highest priority, and we are actively evaluating all options, including the possibility of an earlier end to Crew-11’s mission," the spokeswoman said in a statement on Wednesday night.
Returning the four-person Crew-11 crew would be a rare consequence of a medical issue aboard the ISS, where astronauts typically live in six to eight-month rotations with access to basic medical equipment and medications for some types of emergencies.
(Reporting by Joey Roulette; Editing by Muralikumar Anantharaman and Stephen Coates)