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Health Tip: What's Behind Frequent Nosebleeds?

(HealthDay News) -- Nosebleeds are common during childhood, especially during the preschool years. Though they can be scary, they usually aren't caused by a serious problem.

The American Academy of Pediatrics says common causes of nosebleeds include:

• Allergies or a cold, which can lead to nasal swelling or irritation.

• Trauma to the nose, from blowing too hard, picking or putting an object in the nose.

• Exposure to a very dry environment or harsh fumes.

• An abnormal anatomical structure of the nose.

• An abnormal growth inside the nose.

• A blood-clotting problem.

• Taking medication that dries out the nasal passages.