How do i know if i have allergies?

Symptoms: Symptoms of environmental allergies are sneezing, nasal congestion, itching, runny nose and frequent eye itch/redness. Symptoms can occur during a particular season, year round or intermittently (pet allergy). Food allergies typical present with hives, itching, abdominal pain, diarrhea, etc. That occurs typically on each exposure to the food.

Allergy evaluation: Clinical symptoms are necessary. Allergy testing to correlate sensitization with symptoms may confirm allergy.

Symptoms: Humans are not allergic to other humans dander, but women can become sensitized and allergic to human seminal fluid proteins in semen and experience allergic reactions during unprotected intercourse.