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.
Most people with allergies get only mild to moderate symptoms, but bad cases can lead to anaphylaxis. Itâs a serious situation and can put your body into shock. Food, medications, insect bites, or latex are the most likely causes. A second anaphylactic episode can happen up to 12 hours after the first one.