This article was medically reviewed by Erik Kramer, DO, MPH and by wikiHow staff writer, Amber Crain. Dr. Erik Kramer is a Board-Certified Primary Care Physician at the University of Colorado. With over 15 years of experience, his clinical interests include obesity and weight management, diabetes care, and preventive care, as well as embracing a holistic approach to primary care. He received his Doctorate in Osteopathic Medicine (D.O.) from the Touro University Nevada College of Osteopathic Medicine and completed his residency at Central Maine Medical Center. Dr. Kramer is a Diplomate of the American Board of Obesity Medicine.
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A tunnel wound is a secondary wound that occurs alongside a primary wound, and it's usually caused by an infection or pressure. This kind of wound extends into layers of tissue to form a hole or curved tunnel in your skin, so it can be a little unnerving to see! If you have a tunnel wound, keep the area clean and change the dressing regularly. Make an appointment with your doctor as soon as possible so they can examine the wound, identify the cause, and provide the right treatment. Tunnel wounds can take a long time to heal, so it’s important to work closely with your doctor to make sure everything goes smoothly.
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