Itâs happened before. An otherwise healthy 29-year-old mother of three made news in 2014 when she died of the flu and, according to data from the [Centers for Disease Control and Prevention (CDC), between 3,000 and 49,000 Americans die of the flu each year.
Other causes of nosebleeds include: 1  Acute sinusitis. 2  Allergies. 3  Aspirin use. 4  Bleeding disorders, such as hemophilia. 5  Blood thinners (anticoagulants), such as warfarin and heparin. 6  Chemical irritants, such as ammonia. 7  Chronic sinusitis. 8  Cocaine use.
Allergies affect millions of people in the United States. Besides a sore throat, they commonly cause fatigue, a runny nose, post-nasal drip and itchy eyes and ears. Allergies are caused by many things, including pollen, grass, mold, dust and pet dander. Allergies are often treated by a class of medications called antihistamines.