Latex is a milky fluid that comes from the tropical rubber tree. Hundreds of everyday products contain latex. Repeated exposure to a protein in natural latex can make you more likely to develop a latex allergy. If your immune system detects the protein, a reaction can start in minutes. You could get a rash, asthma and in rare cases shock from latex exposure. Latex products are all around you. Some common ones are Gloves Condoms Balloons Rubber bands Shoe soles Pacifiers If you are allergic to latex, it is a good idea to learn which products contain it. That way, you can reduce your exposure. The most common reactions are to gloves and condoms. Latex-free alternatives exist for both.