A New Hampshire woman suffering from an asthma attack visited an urgent care only to get locked inside when staff closed shop for the night — and forgot she was still there.

Tia Chandler was waiting at ConvenientMD in Keene for a steroid shot to combat her asthma on Sept. 24 when clinic workers suddenly vanished.

“I pop my head out and said, ‘Hello? Hello?’ And, then I got a little nervous,” Chandler told WCVB.

Tia Chandler speaks about being left alone inside an urgent care clinic. WCVB

“So, I ran to the front, thinking that there was just a skeleton crew on and that they were, you know, cleaning the office,” she recalled.

“And so, I went to the office. ‘Hello?’ And, looked around and there’s nobody there, and I kind of panicked a little and texted my husband, ‘They locked me in. Call 911.’ I’m, like, panicking.”

A desperate Chandler tried opening a door, which triggered the alarm.

She then phoned police for help, calling the entire ordeal bizarre and frightening.

“Very shocking. Just like, I can’t believe this just happened to me, because literally when I was thinking in my head, sitting there at 8:10, ‘They would never lock me in there. That’s crazy talk,” Chandler said.

“That only happens in movies or on a show, not in real life.”

The whole experience put a sour taste in her mouth — and she won’t be returning to the clinic anytime soon.

ConvenientMD in Keene, New Hampshire. WCVB

When asked by WCVB if she would ever go back, Chandler said “probably not.”

“And we’ve utilized them quite a bit in the past.”

ConvenientMD expressed remorse in a statement to the outlet: “We sincerely regret the incident that occurred on Thursday, Sept. 24, at our urgent care clinic in Keene involving one of our valued patients.

“Clearly, this should never have happened. … We have taken steps to ensure this won’t happen again and we remain committed to providing the Keene area with the high-quality care we have been providing for more than a decade,” the statement continued.