In a highly unusual case, a woman allergic to Brazil nuts developed urticaria and dyspnea after having unprotected sex with her boyfriend. Her physician put the young woman through skin prick testing. When she had the testing with the boyfriend's semen after he'd eaten Brazil nuts, she had a reaction. However, ...

Unfortunately, the answer could be yes! You aren’t allergic to sex per se; the allergy will be to your partner’s sexual secretions. The condition is so far only documented in women as an allergy to semen. However, since most allergies are related to the proteins in a substance, it ...