Nosebleeds, or epistaxis, can have various causes. Here are some common ones: Dry Air: Dry climates or heated indoor air can dry out nasal membranes, causing them to crack and bleed. Nasal Irritation: This can be due to allergies, infections, or excessive nose blowing. Trauma: Any injury to the nose, such as picking the nose, hitting the nose, or inserting objects into the nose, can cause bleeding. Medications: Blood-thinning medications (like aspirin, anticoagulants) and nasal sprays can increase the likelihood of nosebleeds. Underlying Health Conditions: Conditions such as hypertension, blood clotting disorders, and vascular abnormalities can lead to frequent nosebleeds. Nasal Anatomical Issues: Structural problems in the nasal cavity, like a deviated septum or nasal polyps, can contribute to nosebleeds. Environmental Irritants: Exposure to chemicals, smoke, or strong odors can irritate the nasal passages and cause bleeding. Substance Abuse: Snorting drugs like cocaine can damage the nasal lining and lead to nosebleeds. Frequent Use of Nasal Sprays: Overuse of nasal decongestant sprays can dry out the nasal passages. Hormonal Changes: Hormonal changes during pregnancy can cause nasal blood vessels to expand, leading to nosebleeds.
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