Allergic contact dermatitis is an uncomfortable condition that causes itchy, painful, irritated patches of skin. At Advanced Allergy & Asthma Associates, with locations in Southlake and Fort Worth, Texas, a team of allergy specialists can perform patch testing to determine whether you have allergic contact dermatitis. If you’re struggling with cracked, itchy skin, call Advanced Allergy & Asthma Associates or book an appointment online now.
Patch testing is a diagnostic test to determine whether a certain substance — copper, nickel, preservatives, rubber, adhesives, etc. — is causing your skin to break out into a rash. This painful allergic inflammation is known as allergic contact dermatitis (ACD).
During a patch test, your doctor puts small amounts of various potential allergens on your skin to see if any of them cause a chemical reaction. If you have allergic contact dermatitis, the patch may become itchy, red, or cracked.
Once Advanced Allergy & Asthma Associates narrows down which substance is causing your allergic reaction, they can create a treatment plan that works for you.
Many of the most common allergic contact dermatitis triggers include:
During your visit, the team may ask you questions about the products you regularly use to narrow down which chemicals might be causing your allergic reactions.
You may have allergic contact dermatitis if you experience one or more of the following symptoms:
If you have a rash for longer than three weeks, schedule an appointment with Advanced Allergy & Asthma Associates right away for comprehensive allergy testing.
Patch testing requires at least three visits to Advanced Allergy & Asthma Associates. At your first appointment, the team places small patches containing the common substances responsible for allergic contact dermatitis onto your back.
These patches must stay on your skin for 48 hours before the team removes them and records your preliminary results. Your doctor then takes a final reading at your third appointment to confirm your results.
Prior to your patch test, it’s important to:
Once your patches are placed, make sure they stay dry. It’s also important not to erase the markers on your back, as they help the team interpret your results.
Patch testing is an effective tool for diagnosing allergic contact dermatitis. To schedule an appointment with Advanced Allergy & Asthma Associates, call the office or book a visit online.