Dr. Brian Randall Toy MD

What is actinic keratosis?The human body can produce lots of vitamin D when the skin is exposed to the sun. However, too much sun exposure can also wreak havoc on the skin. One of the examples of skin problems due to sun exposure is actinic keratosis, which is characterized by scaly rough patches on...

IntroductionDermatophytes are fungi that get nutrients from keratin for growth. They usually affect the skin, nails, and hair. The species that commonly invade the keratin are those that belong to the genus Trichophyton, Epidermophyton, and Microsporum. Fungal infections produce ring-like...

IntroductionThe most common type of yeast infection in the skin is candidiasis, which is caused by Candida species. There are more than 20 Candida species that exist, and the most common among them is Candida albicans. These fungi may also occasionally cause infections. Below are some of the...

Rosacea is a chronic disorder affecting the facial skin. It is characterized by sporadic eruptions of red patches on the cheeks, nose, forehead or chin. Over a period of time, the symptoms exacerbate, with the appearance of visible blood vessels if left untreated, the skin in the area develops...

What Is Heat Rash?Heat rash is a condition of the skin that results from a blockage of the sweat ducts. This condition can be attributed mostly to excess sweating, and is therefore very common in hot and humid areas. All people can be affected by heat rash, especially if they are in conditions that...

Sometimes hair avoids its normal growth path, curls tightly and digs deeper into the skin, piercing its own follicle or surrounding tissue.  It is usually brought on by incorrect shaving techniques and forceful removal of hair on faces, armpits, genital area and legs. The hair grows into the skin...