Meg Burke, MDSophie Vergnaud, MDWritten by Meg Burke, MD | Reviewed by Sophie Vergnaud, MDUpdated on May 12, 2022 Key takeaways: Some medications (and foods) can cause an abnormal urine color.Urine color typically returns to normal when you stop the medication.One example is metronidazole, an antibiotic. It colors urine brown. Tom Merton/OJO Images via Getty...