Should you panic if your nose bleeds? In most cases you should not worry, but there are exceptions. Let’s look closer at why they happen and how to handle them.
Dr. Mary
What causes nosebleeds?
The most common cause of nosebleeds is dry air. Dry air can be caused by a hot climate with low humidity or high indoor temperatures. This causes the nasal membrane to dry out, crust or crack. There is also an increased chance of bleeding from rubbing, picking, or blowing your nose.
Other common causes include the following:
- Colds (upper respiratory tract infections) and sinusitis, especially those accompanied by frequent sneezing, coughing and blowing your nose.
- High blood pressure.
- Trauma to the nose and/or face.
- Allergic and non-allergic rhinitis (inflammation of nasal mucosa).
- Blood-thinning medications (aspirin, non-steroidal anti-inflammatory drugs, warfarin and others).
- Chemical irritants, such as=== components of cleaning products, chemical f...
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