Dr. Edward Chen MD

What is impetigo?Impetigo is also known as "school sores". It is a common bacterial skin infection that occurs in infants and young children, especially preschoolers. Although it is common among children, adults can get impetigo, too.The two types of bacteria that can cause impetigo...

What is it?Recurrent herpes simplex labialis is a mouth infection that is caused by the herpes simplex virus. It is a contagious and common infection that can easily be passed on. Also known as oral herpes, recurrent herpes simplex labialis causes sores and blisters on the lips, tongue, mouth, and...

Valtrex is the name of the drug that contains valacyclovir. It is prescribed for many infections caused by the herpes virus, which includes cold sores, genital herpes, and shingles. Herpes virus can appear on any part of the body, but most often, it shows in the genitals and mouth. There are two...

If you notice any swelling or small lesions around your genital or anal area, then they probably are warts. Warts are flesh-colored bumps on the skin. They are generally not painful but could be very itchy.Genital warts are common skin infections caused by the human papillomavirus (HPV). This...

Heat rash is a skin condition that is known to happen as a result of excess sweating. It is usually caused by a blockage of the sweat ducts. There are a number of things that can lead to the blocking of the sweat ducts. As these ducts are blocked, there is little evaporation of the sweat, which...

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...