Along came a spider who sat down inside her.

A 64-year-old woman in Taiwan realized every arachnophobe’s worst nightmare in April when doctors found a spider scuttling about in her ear canal.

A case study detailing her eight-legged auditory invader was published Wednesday in the New England Journal of Medicine.

According to the report, the woman recognized all was not hunky dory when she noticed “incessant clicking and rustling sounds” in her left ear.

After struggling to sleep for four nights, she visited the ear, nose and throat clinic, where X-rays revealed the spine-tingling source of her discomfort.

A small spider was moving about in her ear, and a discarded exoskeleton was nearby, as seen in alarming footage from the inner-ear exam.

“She didn’t feel pain because the spider was very small. It’s just about 2 to 3 millimeters,” said Dr. Tengchin Wang, the case study’s co-author and the director of otolaryngology at Tainan Municipal Hospital, where the patient was treated, NBC reported.

Despite finding everything from ants to cockroaches in people’s hearing passages, the doctor said this was the first time he’d seen a bug that had molted.

Meanwhile, Dr. David Kasle, a South Florida ENT physician who wasn’t involved in the study, dubbed the image of the spider “unusual and disturbing.”

Thankfully, medics were able to suck out both the spider and its skin using a surgical tube.

This isn’t the first time a spider has colonized someone’s auditory passage.

In a more frightening incident of arachnid infiltration in 2019, a Missouri woman was horrified to discover that the “water” in her ear was actually a highly venomous brown recluse spider.