Tummy troubles are a common side effect of the modern, wondrous weight-loss phenomenon that is GLP-1 medications. Unfortunately for one man who overdosed on an experimental, extremely powerful obesity drug, his guts went into a full-on meltdown, causing violent, painful diarrhea that had him sprinting to the bathroom several times a day.

The whole nightmare was documented in a scientific case report later published in the Annals of Internal Medicine Clinical Cases . The story was first brought to our attention by Gizmodo .

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According to the report, written by internist Opeyemi Komolafe of the Medical University of South Carolina’s Marion Medical Center, the 32-year-old man had been injecting himself with retatrutide, an experimental obesity medication currently being developed by Eli Lilly.…