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.
1 Allergies never cause fever. 2  Both colds and allergies can cause coughing and sneezing, but coughing is more common with colds, and sneezing is more common with allergies. 3  A cold should clear up within a week to 10 days. 4  An allergy can drag on for as long as you're exposed to what's causing it. The mucus produced by a cold gets thick and may turn yellow or green. 2  Mucus is typically clear with allergies. 3  A sore throat is more common with a cold than with allergies. 4  Colds often bring on a low fever (especially in children).