Dr. John Thomas Marcoux DPM

What Is an Ingrown Toenail?Ingrown toenail is the layman’s term for the medical ailment called onychocryptosis or unguis incarnatus. This is a common and painful condition that usually occurs at the end or on the outer side of the big toe. However, any toenail can still become ingrown. They...

Sever's disease is a type of heel injury that usually occurs in children who are physically active. Most children experience temporary pain without long-term damage. Sever's disease was first described in 1912 by an American doctor named James Warren Sever. The condition is also called calcaneal...

Meaning of Plantar FasciitisOne of the most common causes of heel pain is called plantar fasciitis. A flat band of ligament or tissue connects the heel bone to the toes. This ligament is called the plantar fascia, which also provides support to the arch of the foot. If the plantar fascia is...

A bunion is a small bony projection found at the joint of the toe on the foot. These are formed when the toe pushes against the other toes. This causes the joint to have an abnormal profile, which enlarges over a period of time. The big joint crowds the other toes of the foot resulting in pain. As...

How do plantar warts form?Verruca Plantaris is the technical name for plantar warts. What are they? Warts are small benign (non-cancerous) growths on the skin. They typically occur when the skin is infected by a virus. In this case, plantar warts are caused by the human papillomavirus (HPV). This...

Disorders that arise due to peripheral nervous system damage are referred to as peripheral neuropathy or simply neuropathy. Peripheral nerves are the nerves that connect the brain and spinal cord to different parts of the body. These nerves innervate different organs of our body, including the skin,...