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Doctor insights on: Blue Snot When Blowing Nose

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Mucus (Definition)

Like material that functions to moisten and protect inner body surfaces. The viscous slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and that is secreted as a protective lubricant coating by the cells and glands of the mucous membranes. The free slime of the mucous membranes, composed of secretion of the glands, various salts, ...Read more


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Why is my snot cold when I blow my nose?

Why is my snot cold when I blow my nose?

Rhinorrhea: The mere act of inhaling and exhaling cools nasal secretions, therefore when you blow your nose the "snot" is cooler than your body temperature. Also, the colder the outside temperature is, the colder your nasal secretions are. ...Read more

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I have skin like snot when I blow my nose?

I have skin like snot when I blow my nose?

The quality of snot: What this is just dried, very thin, normal mucous that forms a flattened layer over your mucous membranes. This tends to happen when the drainage is very thin and the air is very dry. It is not skin. It is not anything to worry about (unless it bleeds regularly). ...Read more

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I have black snot when I blow my nose. Is that bad?

I have black snot when I blow my nose. Is that bad?

Maybe not: Usually this is related to being around soot, smoke, or dust, but if getting worse would get it checked out. ...Read more

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Why would I have blood in my snot after blowing my nose but not have or had a nose bleed?

Why would I have blood in my snot after blowing my nose but not have or had a nose bleed?

Small bleeding spots: In the delicate blood vessels lining your nose. Blowing can cause them to loose a little blood. Not serious, very common. You might try a little vaseline in your nose before you go to sleep to coat the surface and keep it from drying out, which makes it more likely to bleed. ...Read more

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I have black stuff come out of my nose with my snot when I blow my nose?

I have black stuff come out of my nose with my snot when I blow my nose?

Nasal Discharge: With the limited history provided, my conjecture is that it might be due to recurrent nasal bleeding. If this nasal discharge has been present for 5-7 days, it is time for an exam by your internal medicine physician, with possible referral to the local Ear, Nose, and Throat specialist. ...Read more

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People have told me to suck/blow the snot out my daughter nose....Is it safe and how do I do it.

Why?: Do that on your own nose. You can use warm saline on your daughter, but hopefully she's old enough to control her own nose. If not, check with your pediatrician about how to do it gently and safely. ...Read more

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A little blood in snot when I blow my nose? Whassup with that

Do not worry: This thing could happen when sometime your nose is congested if you are otherwise healthy.
If it happens frequently see an ENT specialist. ...Read more

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Is it possible for you to blow your nose so hard snot comes out your eyes?

Maybe: You can retrograde "blow" air up the naso-lacrimal duct ; "reflux" any small amount of usually watery type fluid with it. ...Read more

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Got cold a week ago, nose stopped running but still feel stuffy and still blowing snot out green and yellow in colour and still feel funny why?

Need more info: You may have contacted a viral infection especially if you have a fever. Your sinuses appear to have been affected. Please make an appointment with your family physician very soon and in the mean time apply hot moist compresses to your face for 5 minutes 3 times daily until you see the doctor. ...Read more

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I am constantly blowing thick bright yellow snot out of my nose. Everytime I think it's cleared it's not, blowing nose upto 20+/day. What's going on?

I am constantly blowing thick bright yellow snot out of my nose. Everytime I think it's cleared it's not, blowing nose upto 20+/day. What's going on?

Rhinosinusitis: Meaning inflammation of the nasal cavity and sinusitis. You need to see your doctor for evaluation and possible need for Rx medications, meanwhile use saline nasal washes often, best wishes ...Read more

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I am blowing my nose awfully hard, but nothing is coming out. Am I hurting myself? I'm not stuffy right now, but I can feel snot deep in my sinuses.

See below: I doubt you are causing yourself any harm. I would consider trying a neti pot and/or seeing or physician for an exam. You may need an ENT referral. ...Read more

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Is it possible for snot to come out of eye when blowing nose?

Is it possible for snot to come out of eye when blowing nose?

Yes: There is a connection between the eye and the nose, the nasolacrimal duct. In unusual cases, mucous arising in the nose can eject into the corner of the eye. ...Read more

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I've had a dry nose for weeks now. When I blow my nose I get bloody snot and dried blood boogers. What is this?

I've had a dry nose for weeks now. When I blow my nose I get bloody snot and dried blood boogers. What is this?

Dry cold air?: There are several possible reasons, the most likely is dry cold air. Sometimes dabbing vaseline in nostril can help dryness and inflammation leading to bleeding. ...Read more

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My 3.5yr old son has had a cold for about a week or so. And now when he blows his nose, yellow snot comes out. What is going on?

Cold: As noted your child has a cold. As the cold progresses the clear mucus begins to turn yellow because of the white blood cells that attack the mucus. ...Read more

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I've had bright red blood in my snot for over a year now. I have it everytime I blow my nose. I also have a constantly blocked nose. What is it?

I've had bright red blood in my snot for over a year now. I have it everytime I blow my nose. I also have a constantly blocked nose. What is it?

Probably dryness: Most likely the inside of your nose is dry assuming you're not using any intranasal medications. In some patients dryness creates an inflammatory condition so there is also congestion. Suggest saline to cleanse any mucous or crusts then sesame oil 3-4 drops each nostril if not, allergic to sesame. Do this 2-4 times daily. Compounding pharmacy might be able to get pharmaceutical grade oil- smells ok. ...Read more

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Do I have an pneumonia? I don't have a cough at all whatsoever. I have a really stuffy and congested nose and it's annoying. I can't blow any snot.

Do I have an pneumonia? I don't have a cough at all whatsoever. I have a really stuffy and congested nose and it's annoying. I can't blow any snot.

No you don't: Have pneumonia, what you have is inflammation of your nasal passages, which could be due to viruses, use over the counter medicines to help clear it, read the directions carefully though, if you are really suffering, please visit your doctor ...Read more

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Lately been having a bit if blood in my snot when I blow my nose. Mainly in the morning when awakening. Could CPAP machine be the cause? Suggestions?

Lately been having a bit if blood in my snot when I blow my nose. Mainly in the morning when awakening. Could CPAP machine be the cause? Suggestions?

Dryness: Dryness of nose due to CPAP may cause nose bleed. A little lubrication with vaseline may help. If still not better please talk to your physician ...Read more

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I have a hard cough after 7 days of battling viral pharyngitis. I wake with dry bloody snot when I blow my nose and pain in my chest from coughing all?

I have a hard cough after 7 days of battling viral pharyngitis. I wake with dry bloody snot when I blow my nose and pain in my chest from coughing all?

Get evaluated.: Assuming this was viral from the get-go, you should be better by now. Viral infections generally will last 3-5 days; you’re still so sick after 7 days, so there’s a better chance that something else is going on that may benefit from treatment. You need to be evaluated at this point. ...Read more

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I have pain over my left cheek bone and right next to my nose I'm getting over a cold wich I'm still blowing snot from us that normal have tooth abce?

I have pain over my left cheek bone and right next to my nose I'm getting over a cold wich I'm still blowing snot from us that normal have tooth abce?

See an ENT: Regardless, whether it's acute or chronic, sinusitis is painful and wearying. For chronic sinusitis, antibiotics and nasal corticosteroids and nasal irrigation are the main treatments. If refractory, surgery to be considered. Proper diagnosis is the key to successful treatment. See an ENT for evaluation, rhinoscopy, imaging and treatment. ...Read more

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Sinus infection, clear to light hint of yelow coming out of the nose when I blow it, but I have seem some chunk of of blood/or slight blood in the snot?

You are right: What you're describing certainly does sound like a sinus infection. The blood in your mucous can happen especially when there's a lot of inflammation in your nose. You should contact your doctor for an examination and discussion about whether an antibiotic would be useful. ...Read more

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Had head cold and snot was yellow then green then bloody now brown. No fever just need to blow nose. Brown from dried blood or more bacteria?

Had head cold and snot was yellow then green then bloody now brown. No fever just need to blow nose. Brown from dried blood or more bacteria?

Brown snot: Brown snot is from old blood, not from bacteria. Your progression of healing the infection on your own through your body's immune system is perfect. You had a cold, the body sent infection fighting cells to area to fight germs and snot became yellow and then green. Irritation caused some fresh bleeding, now has diminished to old blood. Drink fluids, use neti pot and lots and lots of humidity. ...Read more

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When I blow nose snot is bright yellow. Not Like when I normally get a cold or sinus infection but really bright. Like color of stomach bile. Why?

When I blow nose snot is bright yellow. Not Like when I normally get a cold or sinus infection but really bright. Like color of stomach bile. Why?

Sinus infection: If you are seeing a significant amount of bright yellow discharge from your nose, it is one sign of an infection, which may be in your sinuses. These are most commonly triggered by viral infection, but allergies can also cause sinus congestion. Most sinus infections get better on their own, but if you have sharp pain or tenderness in the face, or fever, it can require treatment with antibiotics. ...Read more

Dr. Jack Mutnick
1,167 Doctors shared insights

Nasal (Definition)

NaSal is a nasal preparation which is a kind of ...Read more