Metrogel is a medicated prescription that is an acne treatment used to treat rosacea. Acne Rosacea is a chronic skin disease with symptoms such as redness on the cheeks, nose, chin, or forehead, small bumps or pimples, and red, irritated eyes. This condition is NOT to be confused with acne vulgaris, common acne which is what most people have. Metrogel contains the ingredient Metronidazole, and antibiotic that fights infections caused by bacterial and protozoa. Check our list below for the 5 Best Acne Treatments!