Dr. John O'donnell Barton M.D.

What is an abrasion?An abrasion is an open wound caused by the skin coming into contact with a rough surface, rubbing away the upper epidermal layer of the skin. The parts of the body that are more prone to abrasions are thin-skinned bony areas, such as the elbows, knees, ankles, shins, and upper...

Melanoma is a serious skin cancer which arises from pigment cells called as melanocytes. An invasive form of melanoma is called nodular melanoma. Nodular melanoma is a serious skin cancer that got its name from the word "nodule", a doctor’s term for a lump as nodular melanoma lesions are shaped...

Many teenagers experience the dread of acne at one point in their life. Pus-filled bumps, blackheads, and whiteheads are often referred to as pimples. Acne is a disease mostly affecting teens and young adults. 8 out of every 10 people suffer from acne. Mild acne is usually considered as a normal...

For those who want quick results in acne improvement or can’t endure the side effects of these medications can consider other acne treatments that are provided at the doctor's office. There are certain medical procedures, such as light therapy and steroid injection, that can be helpful in treating...

What is Ringworm? Ringworm is a fungal skin disease. The fungi live on the skin surface and skin follicle. They feed on dead skin tissue and hair. The most predominant fungus that can cause ringworm is Microsporum canis, which can affect the superficial layer of hair, nails, and skin. Medically,...

Cold sores, also called oral herpes, are highly contagious fluid-filled blisters on the lips and around the mouth. In most cases, cold sores are not that serious, but they can be life-threatening for people who have a weakened immune system such as people with AIDS. On the other hand, canker sores,...