These “Real Housewives” make house calls!

A source tells Page Six that “Real Housewives of Miami” stars Alexia Nepola and Kiki Barth sprang into action at the 30th annual InterContinental Miami Make-A-Wish Ball when a guest at the fancy black-tie fete fainted.

“They snapped into mother bear mode,” says a spy. “They turned into Florence Nightingale. They got him some orange juice, put some cold compresses on his back and his head and helped nurse him back.”

Another source explained that the man actually fainted twice.

“After resting a little bit they got him back up and he fainted again so they ended up calling the ambulance,” says the source.

Thankfully, we hear the guest — a husband of a friend of the women — was given a clean bill of health and is OK!

We’re told Nepola knew what to

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