Allergic reactions to latex The strongest allergic reactions to latex are the most dangerous because they can cause anaphylaxis — swollen lips, face or tongue which can impede breathing, causing death without intervention. A reaction can also occur if breathing in the latex particles, causing hayfever or asthma. In an Emergency On-campus Resources. Proper tips on first time sex are great if you have never had any sexual experiences before. Repeated exposure can worsen these symptoms: Females may experience itching around the vagina, vulva and labia, and may even experience internal itching in the vagina.