The bassist “was forced to sit for a song” during a performance in Brazil.
“Hey, everybody, thanks for the good wishes.
I’m fine,” Simmons wrote.

Kiss bassist Gene Simmons.Medios y Media/Getty Images
“Yesterday at Manaus Stadium in Brazil, [I] experienced weakness because of dehydration.
We stopped for about five minutes, I drank some water, and then all was well.
Tomorrow, Bogota Stadium.
See you there!”
“Last night we played Amazon jungle Stadium/Brazil.
Humidity and temperature were sky-high,” he explained.
“I was dehydrated and was forced to sit for a song.
We got back on stage in five minutes and finished the show.”
“You know how much we love Gene, and he’s obviously sick,” Stanley said.
They will perform their final concerts in Madison Square Garden in New York City in December.
“We’refinishing up where we started,” Stanley said onThe Howard Stern Showlast month.
“This is the end.
When you come to see the show, it’s awesome.
It’s the most high-tech show out there and yet it’s clearly a kick-ass rock & roll show…
It’s everything Kiss, just amped up and ramped up.”