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  2. Allergic rhinitis - Wikipedia

    en.wikipedia.org/wiki/Allergic_rhinitis

    However, it is possible to have allergic rhinitis throughout the year. The pollen that causes hay fever varies between individuals and from region to region; in general, the tiny, hardly visible pollens of wind-pollinated plants are the predominant cause. The study of the dispersion of these bioaerosols is called Aerobiology.

  3. Rhinitis - Wikipedia

    en.wikipedia.org/wiki/Rhinitis

    Rhinitis is commonly caused by a viral or bacterial infection, including the common cold, which is caused by Rhinoviruses, Coronaviruses, and influenza viruses, others caused by adenoviruses, human parainfluenza viruses, human respiratory syncytial virus, enteroviruses other than rhinoviruses, metapneumovirus, and measles virus, or bacterial ...

  4. Doctors Explain What It Means When You Have Chills But No Fever

    www.aol.com/9-reasons-might-chills-no-210200160.html

    Here’s an overview of some things that can cause chills but no fever: 1. Being in a Cold Environment. It may sound obvious, but the most common reason for chills with no fever is that you’re ...

  5. Is it COVID-19, a cold or the flu? Your guide to seasonal ...

    www.aol.com/lifestyle/covid-19-flu-colds-back...

    On Oct. 7, the FDA authorized the first over-the-counter home flu and COVID-19 combination test outside of emergency use authorization, which can detect SARS-CoV-2 (the virus that causes COVID-19 ...

  6. Rhinorrhea - Wikipedia

    en.wikipedia.org/wiki/Rhinorrhea

    In cold weather the mucus lining nasal passages tends to dry out, so that mucous membranes must work harder, producing more mucus to keep the cavity lined. As a result, the nasal cavity can fill up with mucus. At the same time, when air is exhaled, water vapor in breath condenses as the warm air meets the colder outside temperature near the ...

  7. Yep, Allergies Might Be to Blame for Your Upset Stomach ... - AOL

    www.aol.com/news/fall-allergies-might-blame...

    “Histamine is released in the body and enters the gastrointestinal tract, which can cause gas, bloating, nausea, stomach pains and diarrhea.” He notes specific foods that can make seasonal ...

  8. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]

  9. Experts: Why the cold weather does play a role in catching colds

    www.aol.com/news/experts-why-cold-weather-does...

    Colds are minor infections of the nose and throat and are caused by more than 200 different viruses, according to the American Lung Association. Experts: Why the cold weather does play a role in ...