A fan at the concert reported the collapse to the station.
The 50-year-old singer was performing at the Country to Country (C2C) music festival in Dublin when he unexpectedly dropped to his knees while singing his single Humble & Kind.
Video from the show captured after the incident (watch it below) shows Faith back onstage with their band explaining to the audience, "We all have been a little bit dehydrated traveling so much, and [Tim's] been super dehydrated". "And I apologize, but I made the decision that he can not come back out on stage".
Immediately after this announcement, the entire crowd started cheering on McGraw to get well soon. Certain reports about the country singer and his health state immediately began circulating online.
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A spokesman for McGraw said of the incident: "Tim McGraw was suffering from Dublin this evening at the C2C show". However, it was nothing serious.
He was attended to by local medical staff on-site and will be fine, a representative for McGraw said in a statement.
Faith Hill and Tim McGraw performing at Country to Country in the 3 Arena. She asked the fans if they knew other songs for them to sing together. The couple will be starting the latest edition of their Soul2Soul tours following last year's release of The Rest of Your Life. They are going to resume it on May 31 in Richmond.