How can you tell if somebody is allergic to latex?

Test or observation: Allergy to latex can lead to symptoms such as a rash, local swelling and itching to more diffuse and serious process such as difficulty breathing. You can have allergy testing to determine if you have any of these types of allergies. In addition, latex products such as gloves tend contain powder or lubricant etc that also cause irritation of the skin.

Dr Ali agreed

Latex allergy: Latex allergy mild symptoms in skin: itching, redness, hives or rash. More-severe symptoms: sneezing, itchy, watery nose, scratchy throat. The most severe symptoms that occur after latex exposure are: difficulty breathing, wheezing and anaphylactic shock. See a doctor for proper diagnosis and treatment if you think you have a latex allergy.