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Doctor insights on: Why Is My Snot Cold When I Blow My Nose

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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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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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I've had blood when I blow my nose sometimes, but I have a cold and hoarked up(from back of nose)thick mucus with streaks of blood.None since. Cause?

I've had blood when I blow my nose sometimes, but I have a cold and hoarked up(from back of nose)thick mucus with streaks of blood.None since. Cause?

Common.: Cold viruses cause inflammation and fragility of vessels in your upper airway. Small streaks of blood in mucus are frequently seen in upper respiratory infections. Frank blood is much less common. Persistent symptoms warrant attention. ...Read more

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I recently had a cold I'm just starting to get over. When I blow my nose I notice blood in my mucus, should I be worried?

I recently had a cold I'm just starting to get over. When I blow my nose I notice blood in my mucus, should I be worried?

Don't worry try Neti: But do watch for changes. It's probably surface capillaries the have been quite irritated and have broken. It should improve as you recover and you may want to use a neti pot saline wash instead of blowing. If it stays or gets worse - see your doctor. But it should heal up. Best! ...Read more

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Almost 2 weeks with cold and i now have bright yellow mucus that I am coughing up and when i blow my nose ...What is going on?

Almost 2 weeks with cold and i now have bright yellow mucus that I am coughing up and when i blow my nose ...What is going on?

Probably Sinusitis: The swelling inside the nose from the cold has likely swelled the sinus openings closed, causing a sinus infection. While it will likely go away on it's own (if you wait long enough), antibiotics will make this go away much more quickly. ...Read more

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Bloody mucus every time I blow my nose.. I had a bad cold since then the mucus never stops. And pain on right side of my head and neck.

Bloody mucus every time I blow my nose.. I had a bad cold since then the mucus never stops. And pain on right side of my head and neck.

See your doc: It may be that you just have significant irritation/inflammation of your nasal passages/sinuses from noninfectious inflammation but it's also possible that you have a more concerning bacterial sinusitis that may require antibiotic therapy. At least consider, in the intermin, nasal saline irrigation several times a day .. it's a start. But boil your water prior to use(and let cool) to sterile. ...Read more

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Im having yellow liquid when i blow my nose. I'm also getting over a pretty bad cold currently. What could this be? Just watery mucus?

Sinus infection: the real question is this a viral or bacterial infection? Unfortunately, cannot be diagnosed online, I suggest a medical examination and evaluation to determine if antibiotic therapy is needed. ...Read more

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I'm 8 weeks pregnant I've had a cold for the past 2 weeks. I have been coughing up mucus and blood also when I blow my nose. Is this normal?

I'm 8 weeks pregnant I've had a cold for the past 2 weeks. I have been coughing up mucus and blood also when I blow my nose. Is this normal?

Common : Pregnancy increases the vascularity of your nasal passages. Sometimes prolonged coughing during pregnancy can cause you to get a nose bleed and this can show up when you cough and also in your nasal mucus. Its important to mention it to your ob to make sure there isn't something else going on. (For example, TB can make you cough up blood but its uncommon.) Best wishes! ...Read more

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cold symptoms for 1.5 weeks. I traveled on an airplane, made my ear pressure worse now all sounds are muffled & very bloody mucus when I blow my nose?

 cold symptoms for 1.5 weeks. I traveled on an airplane, made my ear pressure worse now all sounds are muffled & very bloody mucus when I blow my nose?

Middle ear or sinus: This could be otitis Media and Sinusitis or both. The blood could be due to infection or even ruptured membranes. You can discuss thsi with your physician and if necessary see ENT (Ear Nose and Throat) specialist. ...Read more

Dr. Jack Mutnick
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Nasal (Definition)

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