The appearance of an allergic reaction and viral rash is often similar, but the cause of these rashes is entirely different. A rash is rarely serious, but sometimes it can indicate an underlying illness that requires treatment. If you or your child has an unexplained rash, consult your doctor for an accurate diagnosis.

Cold sores are itchy, painful sores caused by infection with one of two types of the herpes simplex virus, usually type 1. The National Institute of Dental and Craniofacial Research estimates that at least 45 to 80 percent of Americans have contracted the virus, most before the age of 10.

Nursery rhymes sometimes use the phrase "smelly feet" because childhood is a time when tiny tootsies perspire more compared with adult feet and toes. Moisture encourages bacteria, and that means odor, according to the Children's Hospital Colorado website.

If you have skin peeling between the toes, don’t worry, you’re not alone. Many people report skin peeling between their toes, and often it is accompanied by other symptoms, such as itching or the formation of blisters.

Mederma produces a line of over-the-counter botanical creams and gels to help reduce the appearance of scars and stretch marks.

Your capillaries are the smallest blood vessels in your body that connect arteries to veins. When these capillaries narrow or widen to quickly, the thin capillary walls can tear, and blood can seep out, giving your skin the appearance of thin red or purple lines.

Vitamin B-5, or pantothenic acid, is an essential vitamin for hair growth and health. All of the B vitamins help your body process and use what you eat, thereby nourishing your hair follicles.

Regular exercise is important for good health, so itching severely every time you work out isn't merely a nuisance, it can interfere with your ability to keep fit. Exercise-related itching isn't uncommon and particularly affects boys and men ages 10 to 30, note experts from the New Zealand Dermatological Society.

Heat bumps on the skin, also known as heat rash, usually develop from excessive exposure to heat or humidity. The condition may be as mild as a few small bumps but can also develop into painful blistering of the skin.

If you suffer from acne -- a skin condition that causes blackheads, whiteheads and other types of pimples -- you are not alone. Acne is one of the most common skin diseases in the United States. According to the American Academy of Dermatology, this skin condition affects up to 50 million people each year.

Acne is a condition that is characterized by red pimples that break out mostly on the face and to a lesser degree on other areas of the body. It is generally seen in adolescents, but it can occur in adults as well. Hair loss occurs primarily in adults and sometimes it can be accompanied with acne.

Although a thinning of the hair is a natural part of the aging process, many men experience hair loss prematurely. According to Medical News Today, 50 percent of men suffer from a type of hair loss called androgenetic alopecia, or male pattern baldness.