Latex Allergy Key Points. Latex allergies arise when the immune system, which normally guards the body against bacteria, viruses and toxins, also reacts to latex. LATEX ALLERGY IN THE DENTAL SETTING 6 IMMEDIATE TYPE I RESPONSE: LATEX ALLERGY A type I response is a reaction to residual proteins found in latex.4 While there are more than 250 different types of latex … Powdered latex gloves have been banned by the U.S. Food and Drug Administration due to the role powder plays in triggering allergic … Less than 1% of people in the United States are allergic to latex. A latex allergy is a hypersensitivity to latex, which is a natural substance made of the milky sap of the rubber tree. For example, some people may react when blowing up a rubber balloon or breathing in powder from the inside of latex … Latex allergies are rare. Latex allergies have decreased in recent years because more hospitals now use latex-free and powder-free gloves. Common early symptoms include swelling, redness and itching after contact with latex items: Itchy or swollen lips after blowing up a balloon; Itchy, red or swollen skin after using a bandage; Swelling or itching of the mouth or tongue after a dentist uses latex … Natural rubber latex contains protein that can cause allergic reactions. Reactions to latex products happen when it comes in contact with the person's skin, mucous membranes (like the nostrils, mouth, or rectum), or the bloodstream (during surgery). What Are the Symptoms of Allergic Reactions to Latex? Synthetic latex products, including nitrile and vinyl products, 1 are not made with this protein. Risk factors for latex allergy … Anyone can develop a latex allergy, but some people have a higher risk of developing the condition.