Contact Dermatitis

12 min read

Contact dermatitis is a type of skin inflammation that occurs when the skin comes into contact with an allergen or irritant. It is a common skin condition that can affect people of all ages. It is characterized by red, itchy, and sometimes painful rashes that can appear anywhere on the body.

Causes of Contact Dermatitis

Contact dermatitis is caused by contact with an allergen or irritant. Common allergens include certain metals, such as nickel, and certain chemicals, such as fragrances and preservatives. Common irritants include soaps, detergents, and solvents. In some cases, contact dermatitis can be caused by a combination of allergens and irritants.

Diagnosis of Contact Dermatitis

Contact dermatitis is usually diagnosed based on a physical examination and a review of the patient’s medical history. In some cases, a skin patch test may be used to identify the allergen or irritant that is causing the reaction. In other cases, a blood test may be used to identify an allergy.

Prevention of Contact Dermatitis

The best way to prevent contact dermatitis is to avoid contact with the allergen or irritant that is causing the reaction. If this is not possible, it is important to take steps to protect the skin from contact with the allergen or irritant. This may include wearing protective clothing or using skin care products that are designed to protect the skin.

Take the Contact Dermatitis Assessment

Symptoms

Redness and Swelling

One of the most common symptoms of contact dermatitis is redness and swelling of the affected area. This can range from mild to severe, depending on the severity of the reaction. In some cases, the skin may become very itchy and inflamed.

Blisters and Pustules

In some cases, contact dermatitis can cause blisters and pustules to form on the skin. These can be filled with fluid and may be painful or itchy. In some cases, the blisters may burst and ooze fluid.

Dryness and Cracking

Contact dermatitis can also cause the skin to become dry and cracked. This can be very uncomfortable and can make the skin more prone to infection. In some cases, the skin may also become scaly or flaky.

Itching and Burning

Itching and burning are also common symptoms of contact dermatitis. The itching can range from mild to severe and can be very uncomfortable. In some cases, the itching may be accompanied by a burning sensation.

Hives

Hives are another common symptom of contact dermatitis. Hives are raised, red bumps that can appear anywhere on the body. They can be itchy and uncomfortable, and in some cases, they may be accompanied by swelling.

Causes

Common Causes of Contact Dermatitis

The most common causes of contact dermatitis are allergens and irritants. Allergens are substances that cause an allergic reaction when they come into contact with the skin. Common allergens that can cause contact dermatitis include:

  • Fragrances
  • Latex
  • Nickel
  • Formaldehyde
  • Balsam of Peru
  • Cobalt
  • Quaternium-15

Irritants are substances that can cause skin irritation when they come into contact with the skin. Common irritants that can cause contact dermatitis include:

  • Soaps
  • Detergents
  • Acids
  • Solvents
  • Cleaning products
  • Cosmetics
  • Pesticides

Risk Factors for Contact Dermatitis

Certain factors can increase your risk of developing contact dermatitis. These include:

  • Having a history of allergies or asthma
  • Having a weakened immune system
  • Having dry skin
  • Having a job that involves frequent contact with irritants or allergens
  • Having a skin condition such as eczema or psoriasis

If you think you may be at risk for contact dermatitis, it is important to take steps to protect your skin. Wear protective clothing when working with irritants or allergens, and avoid contact with known irritants or allergens if possible.

Getting a Diagnosis

Steps for Diagnosing Contact Dermatitis

  • Take a medical history. Your doctor will ask about your medical history, including any allergies or skin conditions you may have. They may also ask about any recent contact with potential allergens or irritants.
  • Perform a physical exam. Your doctor will examine your skin for signs of contact dermatitis, such as redness, itching, and burning. They may also take a sample of the affected skin to examine under a microscope.
  • Perform allergy testing. Your doctor may perform a skin prick test or a patch test to determine if you are allergic to any substances that may be causing your contact dermatitis.
  • Prescribe treatment. Once your doctor has determined the cause of your contact dermatitis, they will prescribe a treatment plan to help relieve your symptoms.

Conclusion

Diagnosing contact dermatitis can be difficult, as the symptoms can be similar to other skin conditions. However, by taking a medical history, performing a physical exam, and performing allergy testing, your doctor can help determine the cause of your contact dermatitis and prescribe a treatment plan to help relieve your symptoms.

Questions for Your Doctor

Medical History

Your doctor will likely ask you about your medical history, including any allergies you may have. They may also ask about any medications you are taking, as some medications can cause contact dermatitis. Additionally, your doctor may ask about any recent changes in your environment, such as a new job or a new home.

Symptoms

Your doctor will want to know about the symptoms you are experiencing. Be sure to tell your doctor about any itching, burning, or stinging sensations you may be feeling. Additionally, tell your doctor about any redness, swelling, or blisters you may have noticed.

Triggers

Your doctor will also want to know what may have triggered your contact dermatitis. Tell your doctor about any new products you may have used, such as laundry detergent, soap, or cosmetics. Additionally, tell your doctor about any new fabrics you may have come into contact with, such as wool or synthetic fabrics.

Treatment

Your doctor may recommend a variety of treatments for contact dermatitis, depending on the severity of your symptoms. These treatments may include topical creams or ointments, oral medications, or light therapy. Your doctor may also recommend lifestyle changes, such as avoiding certain triggers or wearing protective clothing.

Follow-Up

Your doctor may recommend follow-up visits to monitor your progress. Be sure to tell your doctor about any changes in your symptoms or any new triggers you may have noticed. Additionally, tell your doctor if you are having any side effects from your treatment.

Treatment

Topical Corticosteroids

Topical corticosteroids are the most common treatment for contact dermatitis. These medications are applied directly to the affected area and can help reduce inflammation, itching, and redness. They come in a variety of strengths, so it is important to talk to your doctor to determine which strength is right for you.

Antihistamines

Antihistamines can help reduce itching and inflammation associated with contact dermatitis. They come in both oral and topical forms, so it is important to talk to your doctor to determine which form is right for you. Some common antihistamines include diphenhydramine (Benadryl), loratadine (Claritin), and cetirizine (Zyrtec).

Moisturizers

Moisturizers can help soothe the skin and reduce itching and inflammation associated with contact dermatitis. Look for moisturizers that are specifically formulated for sensitive skin and free of fragrances and dyes. Some common moisturizers include petroleum jelly, mineral oil, and ceramides.

Phototherapy

Phototherapy, or light therapy, is a treatment that uses ultraviolet light to reduce inflammation and itching associated with contact dermatitis. It is typically done in a doctor's office and can be used in combination with other treatments. Talk to your doctor to see if phototherapy is right for you.

Oral Corticosteroids

Oral corticosteroids are a type of medication that can be used to reduce inflammation and itching associated with contact dermatitis. They are typically used in more severe cases and should only be used under the supervision of a doctor. Common oral corticosteroids include prednisone and methylprednisolone.

Immunosuppressants

Immunosuppressants are a type of medication that can be used to reduce inflammation and itching associated with contact dermatitis. They work by suppressing the immune system, which can help reduce inflammation. Common immunosuppressants include cyclosporine and tacrolimus.

Conclusion

Contact dermatitis is a common skin condition that can cause redness, itching, and burning. Fortunately, there are a variety of treatments available to help relieve the symptoms of contact dermatitis. Talk to your doctor to determine which treatment is right for you.

Drugs & Medications

Topical Corticosteroids

Topical corticosteroids are the most commonly prescribed drugs for contact dermatitis. They work by reducing inflammation and itching. They come in a variety of forms, including creams, ointments, gels, and sprays. They are available in different strengths, so it is important to use the lowest strength that is effective for your condition.

Topical Calcineurin Inhibitors

Topical calcineurin inhibitors are another type of drug used to treat contact dermatitis. They work by blocking the release of certain chemicals that cause inflammation. They come in the form of creams and ointments, and are available in different strengths. They are generally used for mild to moderate cases of contact dermatitis.

Antihistamines

Antihistamines are drugs that block the action of histamine, a chemical that causes inflammation and itching. They come in the form of pills, liquids, and creams. They are generally used for mild to moderate cases of contact dermatitis.

Oral Corticosteroids

Oral corticosteroids are drugs that are taken by mouth. They work by reducing inflammation and itching. They are generally used for severe cases of contact dermatitis that do not respond to other treatments. They can have serious side effects, so they should only be used under the supervision of a doctor.

Immunosuppressants

Immunosuppressants are drugs that suppress the immune system. They are generally used for severe cases of contact dermatitis that do not respond to other treatments. They can have serious side effects, so they should only be used under the supervision of a doctor.

Diet

What to Eat

The following foods may help reduce inflammation and improve symptoms of contact dermatitis:

  • Omega-3 fatty acids: Found in fatty fish, such as salmon, mackerel, and sardines, as well as walnuts, flaxseeds, and chia seeds.
  • Fruits and vegetables: Especially those high in antioxidants, such as berries, spinach, kale, and other dark, leafy greens.
  • Whole grains: Such as oats, quinoa, and brown rice.
  • Healthy fats: Found in avocados, olive oil, and nuts.
  • Herbs and spices: Such as turmeric, ginger, and garlic.

What to Avoid

The following foods may worsen inflammation and symptoms of contact dermatitis:

  • Processed foods: Such as chips, crackers, and other packaged snacks.
  • Refined carbohydrates: Found in white bread, pasta, and other processed grains.
  • Sugary drinks: Such as soda, energy drinks, and sweetened teas.
  • Fried foods: Such as French fries and fried chicken.
  • Alcohol: Especially beer and wine.

Conclusion

While there is no specific diet that can treat contact dermatitis, certain foods may help reduce inflammation and improve symptoms. Eating a diet rich in fruits, vegetables, whole grains, and healthy fats, and avoiding processed foods, refined carbohydrates, sugary drinks, fried foods, and alcohol may help reduce inflammation and improve symptoms of contact dermatitis.

Lifestyle

Avoid Irritants and Allergens

The best way to prevent contact dermatitis is to avoid contact with the irritants and allergens that cause it. Common irritants and allergens include soaps, detergents, solvents, and certain metals. If you know what triggers your contact dermatitis, try to avoid contact with those substances.

Wear Protective Clothing

Wearing protective clothing can help protect your skin from contact with irritants and allergens. Wear long-sleeved shirts and pants when working with chemicals or other substances that may cause contact dermatitis. Wear gloves when gardening or cleaning to protect your hands.

Keep Skin Moisturized

Keeping your skin moisturized can help reduce the symptoms of contact dermatitis. Use a mild, fragrance-free moisturizer to keep your skin hydrated. Avoid using products that contain alcohol, which can dry out your skin.

Take Cool Baths

Taking cool baths can help soothe the itching and burning associated with contact dermatitis. Add a cup of oatmeal or baking soda to the bathwater to help reduce inflammation. Avoid using hot water, which can dry out your skin.

Use Mild Soaps

Using mild soaps can help reduce the symptoms of contact dermatitis. Look for soaps that are labeled as “fragrance-free” or “hypoallergenic.” Avoid using harsh soaps or detergents, which can irritate your skin.

See a Doctor

If your symptoms of contact dermatitis do not improve with lifestyle changes, it is important to see a doctor. Your doctor can help diagnose the cause of your contact dermatitis and recommend treatments to help reduce your symptoms.