Tinea versicolor is very common. You may have seen it without knowing its name. The rash doesn’t itch, but it some people don’t like its appearance. Tinea versicolor (or pityriasis versicolor) is caused by a yeast we all have on our skin. Common in hot and humid areas. Clear it with a combination of dandruff shampoo and antifungal creams.

Ringworm is a rash caused by fungus. It can be itchy. Ringworm usually comes from two sources: 1) another person with ringworm (usually athletes like wrestlers), or 2) an animal with ringworm (usually a pet). Ringworm starts as a single, ring-shaped spot that tends to grow bigger over time. A combination of over-the-counter treatment options usually works.

Jock itch is an itchy rash caused by fungus. It is red or dark, dry patches of skin in the groin, usually on both sides. It can come up onto the lower belly or down onto the inner thighs. It tends to happen in people with athlete’s foot. A combination of over-the-counter treatment options usually works.

Nail fungus is where fungus grows into the toenails, and occasionally, the fingernails. The nail(s) will get thick and yellow, and sometimes the nail splits at the far end. It usually happens in people with athlete’s foot (damp, peeling skin between the toes, and dry skin on the bottom and sides of the feet).

Athlete’s foot is a rash caused by fungus. It is usually itchy. There’s damp, peeling skin between the toes, sometimes dry patches on the bottom and sides of the feet. Splits between the toes are called fissures and are very painful. A combination of over-the-counter treatment options usually works.

Diaper rash (or diaper dermatitis) is common in babies and older adults. Urine and stool are not meant to be on the skin, and they irritate the skin and cause a rash. Barrier creams are an essential tool for preventing and minimizing flares of diaper rash.

Cradle cap is common and frustrating to parents, causing visible flakes and yellow thickened skin on the scalp. But using the right medicated dandruff shampoos can fix it, if you know how to use them.

Eczema from lip licking is very common, especially in kids. We instinctively want to wet them by licking them, but your saliva (spit) is not your friend on the skin. It can dry out the lips and make the skin around the lips red and flaky. Fix it with some over-the-counter products and a bit of willpower.

Perleche is the name for cracks and redness at the corners of the mouth - it is painful, but often easy to treat with over-the-counter products, if you know what to use.