Summer is Coming – Beware of Rashes!

Tips for Understanding Contact Dermatitis from Dermatology Specialist Dr. Joshua Fox

According to Dr. Joshua Fox with Advanced Dermatology, contact dermatitis may seem perplexing because rashes can be triggered by an exhaustive list of substances.

Roslyn Heights, NY (PRWEB) May 20, 2014

Just as temperatures rise and you’re ready to don warm-weather clothes again, bam! You come down with a nasty red rash. But are you having an allergic reaction or is your skin just irritated? Contact dermatitis – which can be triggered by either allergens or skin irritants – is likely to blame, according to Joshua Fox, MD, medical director of Advanced Dermatology P.C.

Contact dermatitis is the medical name for rashes caused by culprits ranging from soaps, cosmetics, fragrances, jewelry or plants such as poison ivy or poison oak. Some jobs also expose us to substances that can cause contact dermatitis, Dr. Fox explains.

“The red, itchy rash of contact dermatitis isn’t contagious or life-threatening, but it sure can be uncomfortable and unslightly,” Dr. Fox says. “Many people get these sorts of rashes from time to time. It’s important to know that a variety of home treatments and medical approaches can be used to quickly and effectively tackle contact dermatitis.” It is also possible now, through new testing to find the etiology of what caused the contact dermatitis and how to safely avoid it in the future.

Many possible causes

Contact dermatitis may seem perplexing because rashes can be triggered by an exhaustive list of substances. There are two main types of contact dermatitis, irritant dermatitis and allergen dermatitis. Irritant dermatitis, the most common type, can be caused by:

  • Soaps, fabric softeners and detergents
  • Hair dyes and shampoos
  • Cement
  • Pesticides or weed killers
  • Rubber or latex gloves
  • Solvents or chemicals

Allergic dermatitis, on the other hand, does not occur the first time you’re exposed to a substance – the reaction usually only happens after subsequent exposure. This form of contact dermatitis can be caused by:

  • Adhesives, including those used for fake eyelashes or toupees
  • Antibiotics rubbed on the skin surface, such as neomycin, bacitracin or polysporin.
  • Fabrics and clothing
  • Fragrances in perfumes, cosmetics, soaps and moisturizers
  • Nickel or other metals that are found in jewelry, buttons, bra straps and zippers
  • Poison ivy, poison oak, poison sumac and other plants
  • Rubber or latex gloves

Additionally, some products cause contact dermatitis only after the skin is also exposed to sunlight (photo contact dermatitis), including shaving lotions, sunscreens, coal tar products, some perfumes, and even oil from the skin of a lime.

“It’s not always easy to tell if your rash was caused by an allergy or by an irritant because some of the symptoms may be identical,” Dr. Fox explains. “But an allergy usually provokes symptoms on or near the skin you touched the allergen with, while a rash from skin irritants may be more widespread.”

“Also, with an allergy, it may be a day or two before the rash shows up,” he adds. “But with an irritant, the rash usually shows up immediately, and it tends to be more painful than itchy.”

Home treatments, medications can help

Successfully treating contact dermatitis starts with identifying what’s causing your reaction. Avoiding the trigger usually gives the rash a chance to resolve on its own, though it may take two to four weeks. Home treatment measures, which can reduce inflammation and soothe skin, include:

  • Washing affected skin with water to remove any traces of remaining irritant
  • Using anti-itch creams such as calamine lotion or corticosteroid skin creams or ointments

If your rash doesn’t get better after a few days, it’s time to call your dermatologist, who may – for patients with long-term, repeated contact dermatitis – perform allergy testing with skin patches. So-called “patch testing” can determine which allergen is causing the reaction. We have hundreds of test so we can discover the correct allergens. The American Contact Dermatitis Association, of which I am a member, will tell us, through an agreement with multiple manufacturers, which products the patient should avoid as well as which products can be safely used with their specific allergy.

Clinicians may also prescribe heavy-strength ointments, creams or even pills to treat more severe cases of contact dermatitis.

“While sometimes treatment may be necessary, if it’s painful or uncomfortable and you are losing sleep or are distracted from your everyday life, it’s time to get your rash checked professionally. There’s no point in suffering in silence when treatment is so readily available. Failure to treat can lead to skin infection and scarring.”

Advanced Dermatology P.C., the Center for Laser and Cosmetic Surgery (New York & New Jersey) provides cutting edge medical, laser & cosmetic dermatology and plastic surgery services.

Joshua L. Fox, M.D., F.A.A.D., is the founder and medical director at Advanced Dermatology P.C. He is a leading authority in the field of dermatology with expertise in skin cancer, cosmetic surgery and laser procedures and is program director of a fellowship in laser and cosmetic surgery

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Lumps and Bumps


Lumps and Bumps: Know your skin

Your skin is your first line of defense against a wide range of bacteria, viruses, and diseases. So when you find color changes, bumps, lumps, moles, warts, or flaky or crusty patches, you might want to know what’s going on.

Joshua Fox, MD, spokesman for the American Academy of Dermatology and the American Society of Dermatologic Surgery, helps to clarify what we need to know about skin changes:

  • Moles: Most people are aware of the need to examine moles that appear throughout life and are most often harmless. Check for new changes that occur, particularly in parts of the skin exposed to sunlight. The most suspicious moles for skin cancer are usually larger, more irregular in shape and/or color. Check yourself regularly for anything unusual, and ask your doctor to check any moles that concern you.
  • Warts: Warts are common growths that occur on various parts of the body as a result of the human papilloma virus (HPV). Warts can go away on their own. But some people have their doctors remove warts because they look bad or become irritated.
  • Skin tags: Skin tags are an annoying type of growth that about half of all people develop as they age. These are small pieces of hanging flesh that develop in areas prone to rubbing against clothing or other skin. You may find them on moist areas such as the upper thighs, underarms, neck, and under women’s breasts from underwire bras. Another common site is the eyelid. A skin specialist can remove these if they are painful, irritating, bleeding, infected, or often caught in clothing.

Lumps and Bumps: Know your skin was also published in National Physical Fitness & Sports Month Newsletter – Download Here (Require PDF reader to view)

Serious rashes on the rise

Sun Sentinel


By Darryl E. Owens

Parents should be up to scratch when it comes to ignoring or treating an itch.

Between the abundant scrapes, bruises and nicks, childhood is rough on skin. Toss in rashes, pimples and blemishes and a munchkin’s skin can take quite a licking.  (more…)



Patch Testing Can Tell the Difference

The cause of a skin rash (dermatitis) can be tough to figure out—even for dermatologists. That’s where patch testing comes in handy, according to leading dermatologist and founder ofAdvanced Dermatology P.C. and The Center for Laser and Cosmetic Surgery PC, Joshua L. Fox, MD. “Patch testing of the skin can tell us if a rash is being caused or exacerbated by an allergy,” he says, “and can help us to distinguish a skin allergy from other skin conditions, such as eczema, irritant dermatitis, or psoriasis.” (more…)