Blood-Streaked Nasal Discharge: Causes and Concerns - Otolaryngology

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Understanding blood-streaked nasal discharge can be concerning, especially when it persists over a couple of weeks. Based on your description, there are several factors to consider regarding the potential causes and necessary actions.

Firstly, the presence of blood in nasal discharge can often be attributed to several common causes. One of the most frequent reasons is trauma to the nasal mucosa, which can occur from vigorous nose blowing, picking, or even from dry air, especially in climates that are less humid. Given that you recently traveled to a drier climate in Hong Kong, this could have exacerbated any existing nasal irritation or dryness, leading to the formation of small cracks or lesions in the nasal lining that can bleed.

Additionally, you mentioned having a history of nasal allergies. Allergic rhinitis can lead to inflammation and swelling of the nasal passages, making the mucosa more susceptible to injury. The combination of allergic inflammation and dry air could indeed contribute to the symptoms you are experiencing. The red, damaged appearance of the nasal mucosa you observed could be a result of this irritation, especially if you have been blowing your nose frequently.

Regarding your inquiry about the nasal endoscopy you underwent two weeks ago, it is important to note that this procedure allows for a thorough examination of the nasal passages and the nasopharynx. If the endoscopy was performed correctly, the physician would have been able to visualize the nasal cavity and any potential abnormalities, including signs of infection, polyps, or other lesions. If no significant issues were identified at that time, it is less likely that there is a serious underlying condition now, especially since you had a similar examination just four to five months ago without any findings.

However, if the blood-streaked discharge persists or worsens, it is advisable to seek further evaluation. While it is understandable to be concerned about the possibility of a more serious condition, such as a tumor, the likelihood of this occurring in such a short time frame is relatively low, especially given your previous normal examinations. Nonetheless, if you notice any additional symptoms such as significant pain, swelling, or changes in your sense of smell, it would be prudent to consult an ENT specialist sooner rather than later.

In terms of timing for your next endoscopy, waiting until March may be acceptable if your symptoms are stable and not worsening. However, if you experience any new or concerning symptoms before then, do not hesitate to seek medical attention. It is always better to err on the side of caution when it comes to your health.

In summary, the blood-streaked nasal discharge you are experiencing is likely related to nasal irritation from dryness and allergies, exacerbated by your recent travel. While your previous examinations have not indicated any serious issues, ongoing symptoms warrant further evaluation if they persist. Maintaining hydration, using saline nasal sprays, and managing your allergies can help alleviate some of the symptoms. If you have any doubts or if your condition changes, please consult your healthcare provider for personalized advice and treatment options.