IBD Medication Guide



Brand Name(s)


Drug Class


How taken


Used for

Active Crohn’s disease and pouchitis

Recommendations for Pregnancy

Would avoid in first trimester only, given limited efficacy in IBD and risk of cleft palate

Recommendations for Lactation

Limited human data: potential toxicity

Medication indication

NOTE: This medication has been typically used for the treatment of inflammatory bowel disease and pouchitis. In Crohn's disease, metronidazole may help control symptoms of IBD by reducing intestinal bacteria. This medication has been shown to be effective as a long-term therapy for some patients with Crohn’s disease who have fistulas or recurrent abscesses near their anus. Also effective for people who develop pouchitis. Talk to your doctor about potential risks and side effects

Indicated for pediatric use

Most common side effects

Nausea, vomiting, loss of appetite, a metallic taste, diarrhea, dizziness, headaches, peripheral neuropathy, and discolored urine (dark or reddish brown)


To see the label/package information for this medication, click here (tablet) or click here (capsule)

Learn more about antibiotics

Scroll right by clicking & dragging with your cursor or swiping with your finger.