Hay Fever Contagious? Science Weighs In with the Truth

The National Institute of Allergy and Infectious Diseases (NIAID) conducts and supports research to understand, treat, and prevent infectious and allergic ... The symptoms are like those of hay fever, also called allergic rhinitis. But nonallergic rhinitis isn't caused by allergies. Nonallergic ... Infectious rhinitis is possibly the most common type of rhinitis. It is also known as the common cold or upper respiratory infection (URI). Colds occur when ... You know you should stay home from work and get some rest, but how do you know if what you have is contagious? And how do you treat your ... Ever wondered if your hay fever could "spread" to others? Or why more people in your family suddenly seem to have allergies? This is a list of allergies, which includes the allergen, potential reactions, and a brief description of the cause where applicable. Unlike conjunctivitis that is caused by bacterial infection, allergic conjunctivitis is not contagious, so it cannot be transferred from one person to another. Allergies do not cause a fever, but they may lead to health issues that can cause a fever, such as a sinus infection. Allergies are relatively common4. Allergic rhinitis affects 10–30% of children and adults in the United States and other industrialized ... Highly contagious – so if someone in your family who does not usually have hay fever suddenly comes down with symptoms, it's not likely to be hay fever that's ...