Metronidazole, which treats certain infections, can cause side effects, including heart- and urine-related effects. Learn about side effects and how to manage them.

One dose of metronidazole will stay in your system for around 40 to 56 hours, or approximately two days. After two days, the amount of metronidazole remaining after just one dose will be ...

Metronidazole, known by the brand name Flagyl, is one such drug that may cause a patient's urine to turn black, as outlined in a 2014 case report published in the Journal of Pharmacy Technology ...

A variety of issues can cause dark urine, including foods, medication, and dehydration. Learn more about the potential causes and their treatments in this article.

Medications: Dark brown urine can also be a side effect of certain medications, including metronidazole (Flagyl) and nitrofurantoin (Furadantin), chloroquine (Aralen), cascara or senna-based ...

Urine color can give clues about your health. It can also change due to medications, health conditions, and food. Find out what your pee color means.

Dark urine is usually caused by dehydration, but it can signal other conditions or be a side effect of your diet and medications. Learn more about the possible causes and prevention tips.