Fentanyl is a synthetic opioid that’s 50-100 times stronger than the pain reliever morphine. While some people use fentanyl on purpose, many others get it in their systems without their knowledge.

The acronym UTI in medical circles stands for “urinary tract infection,” and it applies to a range of infections affecting the kidneys, bladder, ureters and/or urethra. Many people get UTIs when fecal ...