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Doctor insights on: Can Allergies Cause Mucus With Blood

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Would post nasal drip from allergies and a deviated septum cause constant sticky clear mucus and occasional dark brown mucus with blood in it?

Would post nasal drip from allergies and a deviated septum cause constant sticky clear mucus and occasional dark brown mucus with blood in it?

No: Post nasal drip from allergies is common, and it can produce clear mucous. The deviated septum will not produce discharge.
Someone should look to see if they can find the source of the bleeding. That is of concern. ...Read more

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'm not breathing right throughout the night. I wake up and blow my nose and there is blood in the mucus every morning. Can allergies cause this?

I'm not breathing right throughout the night. I wake up and blow my nose and there is blood in the mucus every morning. Can allergies cause this?

Yes, allergies can!: Good morning,
allergies can cause nose-bleeds because of congestion of the membrane of the nose. However, more often we find that use of decongestants is associated with dryness and separation of cells lining the nose and cause nose bleeds. Use of medications such as Ibuprofen for relief of symptoms is another frequent cause for nose bleeds. Use of humidifiers may help to relieve dryness. ...Read more

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Does high allergy level serum IGE and Gerd can cause pharyngitis for 6 months and occasional blood mixed with mucus plus to much mucus production.

Does high allergy level serum IGE and Gerd can cause pharyngitis for 6 months and occasional blood mixed with mucus plus to much mucus production.

It's possible: An elevated IgE level is most commonly linked to allergies, whether environmental or otherwise. Environmental allergies could lead to pharyngitis, as that is a common allergy-related symptom. GERD can also cause a painful throat, due to chronic acid exposure. In either case, chronic damage can lead to the presence of blood and/or mucous. Of course large amounts of blood are abnormal. ...Read more

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When I blow my noise, blood covered mucus comes out. My noise doesn't feel too sensitive but I do have allergies often. What is it and how can I treat?

When I blow my noise, blood covered mucus comes out. My noise doesn't feel too sensitive but I do have allergies often. What is it and how can I treat?

The allergies: People with uncontrolled nasal allergies may suffer nosebleeds as would be using nasal steroid for the condition especially when the spray is incorrectly directed towards the center of the nose (nasal septum). However nosebleeds can also occur in the absence of allergy. Consult your doctor to see what is needed for you- allergy treatment vs nasal cauterization. ...Read more

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Septoplast/turbinect 4mth ago-went well. 3weeks ago had cold. Now constant clear, sticky mucus & stuffy. No allergies-skin & blood test. Tried saline?

Septoplast/turbinect 4mth ago-went well. 3weeks ago had cold. Now constant clear, sticky mucus & stuffy. No allergies-skin & blood test. Tried saline?

See doctor: Cold symptoms usually subside after about 10 days. You likely have a sinus infection and need to consult your doctor for treatment. ...Read more

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I have bad seasonal allergies. When I rinse my sinuses small blood clots in the mucus come out sometimes. What should I do? Am I just dry?

I have bad seasonal allergies. When I rinse my sinuses small blood clots in the mucus come out sometimes. What should I do? Am I just dry?

Dry sinuses: It is normal to develop dry sinuses in the winter as all the humidity is extracted from the air. I recommend purchasing a humidifier and setting the humidity between 40-70% in your home or bedroom. This will help you without requiring you to take any medications. ...Read more

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Allergy RAST/blood (IgE) test reports no milk allergy. Is it possible I could still be allergic to dairy? Suffering from thick nasal mucus.

Allergy RAST/blood (IgE) test reports no milk allergy. Is it possible I could still be allergic to dairy? Suffering from thick nasal mucus.

Yes: Either RAST (replaced by ImmunoCap IgE) and prick skin testing can miss some food allergies. I often test a patient to the food itself when the history and test findings do not match. Recently I was about to challenge a young boy to walnut (history positive, skin test negative) when the skin test turned out to be highly positive to the actual nut. Mold & mite allergies are more likely in HK. ...Read more

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Hello Doctor, I have been experiences cough for about 2 months now. I have been to 3 or 4 doctors and nothing is helping. I have asthma and allergies. I have coughed up blood mucus twice in 2 months. I cough up small mucus balls every now and then. I have

Hello Doctor, I have been experiences cough for about 2 months now. I have been to 3 or 4 doctors and nothing is helping. I have asthma and allergies. I have coughed up blood mucus twice in 2 months. I cough up small mucus balls every now and then. I have

Combination problem: I assume you have had a thorough history and physical with appropriate tests including lung function, chest xrays and CT of sinuses.
Many people with chronic cough tend to have a combination of 1-asthma, 2-post nasal drip from allergies and/or sinusitis and 3-silent gastroesophageal reflux. All three must be managed. Don't brush aside #3 even if you don't feel heartburn. ...Read more

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Constantly having some blood coming from my nose and throat in my mucus. I take allergy med. What could be wrong, its annoying! And how can I stop it?

Sinus infection?: Nosebleeds often originate at the nasal septum but a sinus infection may also cause your symptoms. If you are taking the older generation antihistamine, it may dry up your mucous membrane on the septum further to cause nosebleeds. Consult your doctor. ...Read more

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I have ocassonal specks of blood in mucus, no cough and an ocassional dry nose No alergis that im aware off, no chest pain.

I have ocassonal specks of blood in mucus, no cough and an ocassional dry nose No alergis that im aware off, no chest pain.

Exam/x-ray: Please get examined and if needed get an x-ray. The specks may be from small broken blood vessels in your nose or throat, possibly a lung involvement. Please get examined ASAP. ...Read more

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What could cause a child to cough mucus that has some blood in it?

What could cause a child to cough mucus that has some blood in it?

Bloody mucous: Sinusitis, adenoiditis and nasal allergy would be the most common causes/ much rarer causes would include inhaled foreign body, varoius pneumonias and tuberculosis. ...Read more

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What causes mucus and blood in the stool?

What causes mucus and blood in the stool?

Hemorrhoids: Usually but can be many other things including infection, inflammatory bowel disease and tumors, both benign and malignant. See a colorectal surgeon sooner rather than later. ...Read more

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What causes sticky mucus with blood during mid cycle of the period?

Ovulation: It is common to have a small amount of bleeding near the time of ovulation. The normal vaginal discharge is increased at that time as well. What you are noticing is quite common and normal. ...Read more

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If you pick your nose too much will it cause blood in your mucus that comes from your nose?

Yes: You are irritating the mucus lining in your nose and causing it to bleed. Not a good habit. Not sanitary either. ...Read more

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Pass blood in bright in stool then mucus a lot what can causes that then stop for few days then start again?

Pass blood in bright in stool then mucus a lot what can causes that then stop for few days then start again?

C MD soon: At your age causes can include anything from hemorrhoids to fragile blood vessels to inflammatory bowel disease to poor blood flow to diverticular disease to infection to cancer. You need to see your doc, get examined, see GI doc. ...Read more

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For the past year and a half I have been coughing up green mucus plugs, usually with blood in them, on and off. What could be the cause?

Cause: I must admit I do not have a ready answer. That said you have two choices:
1: Have someone take you to the nearest Emergency facility.
2: Contact your primary doctor while she/he is still at work.
Please let me know what develops - hope all goes OK. ...Read more

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My butt will itch so I have wipe it and notice it has mucus and a little bright red blood on the toilet paper. What causes this? This happens often.

My butt will itch so I have wipe it and notice it has mucus and a little bright red blood on the toilet paper. What causes this? This happens often.

Ask your DR: . Sounds like you have already had extensive GI exams and tests. You may have anal irritation/ fissure/ hemorrhoids. Fecal soiling, diarrhea, constipation may be factors. Whenever you have a BM or fart, clean the area with soft bathroom paper using a lotion such as Aveeno (oatmeal) or Eucerin. Whenever it feels wet or itchy or sore, use the lotion with soft paper or kleenex. Clean outside + inside. Avoid sc ...Read more

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What cause of cough mucus blood from mouth?

What cause of cough mucus blood from mouth?

Cold: There are sources of blood, like the stomach, the lungs and the nose and posterior pharynx. In time of cold or upper respiratory infection, there is mucous which is thicker than the plasma. This draws the fluid from the blood vessels in the nose and the pharynx which are to the surface and they can pop and hence you cough up blood. If possible other causes, please go see your doctor. ...Read more

Dr. John Chiu
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Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more