Source of Your Allergies
What Are Some of the Most Common Allergens?
What exactly is Patch Testing?
Patch testing is a medical test used to identify skin allergies. It is used to determine if an allergic reaction is caused by contact with a particular substance.
During patch testing, small amounts of suspected allergens are placed on patches, which are then applied to the skin on the back. The patches are usually left in place for 48 hours, and then removed. The skin is evaluated for any signs of an allergic reaction, such as redness, itching, or swelling.
Patch testing is typically performed by a dermatologist or an allergist. It can be used to diagnose contact dermatitis, which is an itchy, red skin rash that occurs as a result of contact with an allergen. Patch testing can also be used to diagnose allergies to substances such as fragrances, hair dyes, and metals.
Patch testing is a safe and effective method for identifying skin allergies. However, it is important to keep in mind that patch testing is not always accurate, and that false positive and false negative results can occur. It is best to work with a medical professional to interpret the results of patch testing and develop an appropriate treatment plan.