Ben Carson Benjamin (Ben) Solomon CarsonState AGs condemn HUD rule allowing shelters to serve people on basis of biological sex Biden cannot keep letting Trump set the agenda The Hill's 12:30 Report: Trump heads to New Hampshire after renomination speech MORE's campaign said following the latest GOP debate that the retired neurosurgeon has been battling a cough, which was heard throughout the candidates' exchanges Tuesday night.

“We all caught something a month ago, and he, like me, keeps a bagging cough for weeks,” said Doug Watts, Carson’s communications director, according to ABC News.

“No, not sick, just working through this cough. Almost gone," he added.

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Coughing could be heard from one of the microphones on stage throughout the debate at The Venetian, starting during the opening statement of Republican front-runner Donald Trump.

Many took to social media to vent frustration with the coughing, with some assuming it may be Carson, including actor Rob Lowe, especially after footage emerged showing Carson coughing.

If it is, you'd think he'd take lozenge. Man's an MD!! https://t.co/pUrBQoDlEe — Rob Lowe (@RobLowe) December 16, 2015

Has no one at #CNN production heard of a cough button? Good Lord! It sounds like someone's dying up there. #republicandebate — Rob Lowe (@RobLowe) December 16, 2015

During the break can we get Dr Carson medicine for his whooping cough? #GOPDebate — Robert Flores (@RoFloESPN) December 16, 2015