The 29-year-old batted in the nets before sitting down for a long time and looking uncomfortable. He was then driven off in a car as the rest of the squad continued the net session.
"He's not taken a knock he's just not feeling too good. There is a bit of that around," a team official said.
The food in Guyana, on the South American continent, is slightly different from the Caribbean islands England have visited so far in the World Cup.
England's first Super Eights game is against Ireland in Guyana on Friday.
