Blood-Streaked Mucus: Is It Just a Cold?

Common cold and related issues?

Doctor, I'm sorry to disturb you.
The day before yesterday, I noticed blood when I was clearing my nose or coughing up phlegm, so I went to see a doctor.
The doctor asked me to open my mouth and used a spoon-like instrument to examine me.
He said he saw phlegm there but couldn't suction it out, so he advised me to take medication to dissolve it (I was a bit confused about whether the medication would help break down and absorb the phlegm).
I was initially very worried about having a problem in my nasopharynx, but the doctor said everything looked normal.
When I asked if I needed an endoscopy, he said it wasn't necessary.

Later, after blowing my nose and sneezing, I found a piece that looked like dried mucus with a bit of blood on it.
He mentioned that my constant sniffing and using my tongue might have irritated the delicate mucosa, which could lead to bleeding, so he advised me not to worry too much and to rest for quicker recovery.
He also said it looked like the blood was coming from my nose.
Today, I used a nasal spray with traditional Chinese medicine that my family gave me, and afterward, I expelled a long strand of mucus that wasn't yellow but was somewhat sticky.
My nose feels much clearer now, so does this indicate that there is inflammation inside? The doctor told me that if there were any growths, the bleeding would be more pronounced, and my nose might get blocked, preventing mucus from draining.
So, should I really not be too worried? I would like to ask if the presence of blood in the mucus, if I don't overthink it and continue to sniff, means that my cold and nasal issues will resolve on their own and the mucosa will heal itself?

Yueyue, 20~29 year old female. Ask Date: 2021/11/12

Dr. Hong Yuanbin reply Internal Medicine

Hello, the mucous membrane in the nasal cavity is rich in microvessels, which can easily result in blood streaks when you blow your nose forcefully or sneeze.
As long as you avoid excessive force when sneezing or blowing your nose, the blood streaks should gradually disappear.
Additionally, based on your description, besides a cold, you may have chronic allergic rhinitis.
It is recommended to maintain a regular routine, exercise regularly, and focus on overall health, which should help improve your condition over time.
Thank you for your inquiry.

Reply Date: 2021/11/12

More Info

When it comes to the presence of blood-streaked mucus, especially in the context of a recent upper respiratory infection or cold, it is important to understand the underlying causes and implications. Based on your description, it seems that you have experienced some nasal bleeding, which can be concerning but is often not indicative of a serious condition.

Firstly, the presence of blood in mucus can occur for several reasons, particularly in the context of a cold or sinus infection. The nasal passages are lined with delicate mucous membranes that can become inflamed and irritated due to viral infections, allergies, or environmental factors such as dry air. When these membranes are irritated, they can bleed, leading to blood-streaked mucus. This is especially common when you are frequently blowing your nose or experiencing nasal congestion, as the pressure can cause small blood vessels to rupture.

Your doctor’s assessment that your nasal passages appear normal and that there is no need for further invasive investigation, such as an endoscopy, is reassuring. It suggests that the bleeding is likely due to irritation rather than a more serious underlying condition, such as a tumor or significant structural abnormality. The advice to rest and allow your body to heal is sound, as many upper respiratory infections resolve on their own with time and supportive care.

Regarding the use of a nasal spray, especially if it is a traditional Chinese medicine formulation, it may help to soothe the nasal passages and reduce inflammation. However, it is essential to ensure that any nasal spray used is appropriate for your condition and does not contain irritants that could exacerbate the situation. The fact that you noticed an improvement in nasal congestion after using the spray suggests that it may be beneficial in managing your symptoms.

As for your concern about whether the blood-streaked mucus is a sign of something more serious, it is important to monitor your symptoms. If the bleeding persists, increases in severity, or is accompanied by other concerning symptoms such as significant pain, fever, or changes in your overall health, it would be prudent to seek further medical evaluation.
In summary, while the presence of blood in mucus can be alarming, it is often a benign finding related to nasal irritation from a cold or sinus infection. The mucous membranes typically heal on their own, and with proper care, you should see improvement. Continue to rest, stay hydrated, and avoid further irritation to your nasal passages. If you have any lingering concerns or if your symptoms change, do not hesitate to follow up with your healthcare provider for further evaluation and reassurance.

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