Persistent Blood in Left Nostril: Causes and When to See a Doctor - Otolaryngology

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Persistent blood in one nostril, especially if it has been occurring for about a month, can be concerning and warrants further investigation. There are several potential causes for this symptom, and understanding them can help determine whether you should see a doctor.


Possible Causes
1. Nasal Irritation or Injury: Frequent nosebleeds can occur due to irritation from dry air, frequent nose picking, or even blowing your nose too hard. If you have been using nasal sprays or medications that dry out the nasal passages, this could contribute to the bleeding.

2. Chronic Sinusitis: If you have a history of sinus issues, chronic sinusitis can lead to inflammation and bleeding in the nasal passages. This condition can cause mucus buildup, which may mix with blood.

3. Nasal Polyps or Tumors: Although less common, growths in the nasal passages, such as polyps or tumors, can cause localized bleeding. These are usually benign but should be evaluated by a healthcare professional.

4. Infection: Chronic infections, including bacterial or fungal infections, can lead to inflammation and bleeding. Given your history of chronic prostatitis and antibiotic use, it is essential to consider whether an underlying infection might be contributing to your symptoms.

5. Blood Disorders: Conditions that affect blood clotting or platelet function can lead to increased bleeding. If you have a history of easy bruising or prolonged bleeding from minor cuts, this could be a factor.

6. Medication Side Effects: Certain medications, especially anticoagulants or those that affect blood pressure, can increase the risk of bleeding. If you are on any long-term medications, it’s worth discussing their side effects with your doctor.


When to See a Doctor
You should consider seeing a doctor if:
- The bleeding persists or worsens.

- You experience other symptoms, such as pain, swelling, or changes in your sense of smell.

- You notice significant blood loss or if the blood is bright red and continuous.

- You have a history of bleeding disorders or are on medications that could affect clotting.

- You have other concerning symptoms, such as fever, weight loss, or fatigue.


Conclusion
While occasional minor bleeding from one nostril can be benign, persistent symptoms should not be ignored. Given your history of chronic prostatitis and ongoing antibiotic treatment, it is advisable to consult with a healthcare professional. They can perform a thorough examination, possibly including imaging studies or blood tests, to determine the underlying cause of your symptoms and recommend appropriate treatment. Early intervention can help prevent complications and provide peace of mind.