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Doctor insights on: Can Allergies Cause Pneumonia

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Is it possible that allergies have caused my pneumonia?

Is it possible that allergies have caused my pneumonia?

Unlikely but...: A single episode of pneumonia is usually caused by an infection especially by the bacteria pneumococcus, multiple viruses or atypical pneumonia caused by mycoplasma (walking pneumonia). A person with recurrent pneumonia should be checked for abpa (aspergillus mold) that goes along with allergy and asthma. ...Read more

Dr. John Chiu
2,630 Doctors shared insights

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


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Can cat allergies lead me to have pneumonia?

Can cat allergies lead me to have pneumonia?

Not likely: Cat allergies can lead to allergic rhinitis, conjunctivitis (itchy, watery eyes), and asthma. Pneumonia is usually from a viral or bacterial infection and less commonly due to a fungus. Very rarely, cat exposure can lead to a condition called hypersensitivity pneumonitis which has features of pneumonia but is a not an infection. ...Read more

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42 yr old w/ pneumonia 8 times in 2 years. I had 2 yrs free. I went on a super immunity diet and allergy shots. Just had it again! I work with kids?

42 yr old w/ pneumonia 8 times in 2 years. I had 2 yrs free. I went on a super immunity diet and allergy shots. Just had it again! I work with kids?

Immune workup: With 8 episodes in 2 years, there is something seriously wrong. Some people exposed to water damage or other organic agents (pigeon droppings etc) may develop hypersensitivity pneumonitis and avoidance is the only thing which works. Others from impaired immune system which should be considered since gammaglobulin replacement is often effective. See a B/C allergist if you haven't already. ...Read more

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A family member has allergy induced pneumonia, is that contagious? I heard it was not. I have asthma and I am concerned.

A family member has allergy induced pneumonia, is that contagious? I heard it was not. I have asthma and I am concerned.

Molds?: Do you mean hypersensitivity pneumonitis which can be caused by an immune reaction to molds or an occupational exposure? Allergy otherwise does not cause pneumonia. If the pneumonia is not caused by a virus or bacteria, it is not transmitted to another person. But if you are also exposed to the same environment, your risk of developing pneumonitis is somewhat higher ...Read more

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Is it normal or common to have pneumonia every year during the cold or allergy season in a child and/or adult? Does this mean they have asthma?

Is it normal or common to have pneumonia every year during the cold or allergy season in a child and/or adult? Does this mean they have asthma?

Maybe: It is not normal to get recurrent pneumonia. Problems can range from a deficient immune system, to other lung diseases like COPD and asthma (flare ups of these diseases can mimic pneumonia,) to heart disease with congestive heart failure. In any case this needs further evaluation. ...Read more

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Is it true post nasal drip from allergies can turn into pneumonia? Is it true PND can enter your lungs?

Is it true post nasal drip from allergies can turn into pneumonia? Is it true PND can enter your lungs?

Not usually: Damage done by a viral cold can enable pneumonia-causing pathogens to gain access, but this is not generally true for allergy. Allergy and poor nasal/sinus health will increase frequency of viral infections that can then open the door for pneumonia, usually only in susceptible populations. PND does not carry infection to the lung. In fact, automated reflexes in the throat cause it to be swallowed ...Read more

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I was recently in the hospital and treated for pneumonia with Rocephin in spite of a supposed allergy to PCN. Does this mean im not allergic to PCN?

I was recently in the hospital and treated for pneumonia with Rocephin in spite of a supposed allergy to PCN. Does this mean im not allergic to PCN?

"supposed allergy": Is the key word, but still we can't clear you to be NOT allergic to PCN, although highly unlikely that you are. Cross reactivity of penicillin and ceftriaxone (rocephin), is much less than other cephalosporins. If you need PCN and it is the only treatment for your condition, then testing / desensitization can be performed, otherwise there are alternatives, so you don't need to worry ...Read more

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How do I know if I have pneumonia, X-ray two days ago heard nothing yet, cough nasal conjestion 2+ weeks no fever or body aches, allergies? Or cold?

How do I know if I have pneumonia, X-ray two days ago heard nothing yet, cough nasal conjestion 2+ weeks no fever or body aches, allergies? Or cold?

"walking pneumonia": If you have any pneumonia at all, it would probably be the kind called 'walking pneumonia' which means ur actually doing OK. At least compared to 'regular' cases of pneumonia, where you could wind up in the hospital. Given that no one has called you after 2 days, most likely your chest X-ray didn't show anything. The doc reading that X-ray should call right away if there's a problem. Feel better! ...Read more

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Does the pneumonia vaccine help cut down on allergy and sinus issues and infections?

Does the pneumonia vaccine help cut down on allergy and sinus issues and infections?

Not really: The pneumonia vaccine will help prevent infections from S pneumonia. It will not stop or prevent allergy problems. If ones sinus problems are caused by infection related to S pneumonia then yes it will help other wise no. ...Read more

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Seen many docs, no diagnosis- Fit 38 yo female w/chronic lung issues- frequent pneumonia&fever, abnormal CTscan&biopsy. No allergy or asthma.?

Seen many docs, no diagnosis- Fit 38 yo female w/chronic lung issues- frequent pneumonia&fever, abnormal CTscan&biopsy. No allergy or asthma.?

Pulmonologist 2nd op: This is not easy to answer in general terms. Assuming no smoking history/no exposure and ruled out cystic fibrosis, alpha antitrypsin deficiency, idiopathic bronchiectasis. I would probably advise to seek 2nd opinion from pulmonologist with all your results on hands. Good luck! ...Read more

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What is double pneumonia and is it contagious my grandma had it and now I'm having the symptoms chills fever chest pain sore throat also have allergie?

What is double pneumonia and is it contagious my grandma had it and now I'm having the symptoms chills fever chest pain sore throat also have allergie?

Dbl pneumonia: Double pneumonia means that there is infection in both lungs. It is not per se contagious - acquiring pneumonia of any type is more about the health of the host than the virulence of the infecting organism (with a few exceptions). Your symptoms could be consistent with pneumonia or pleurisy and could follow a viral infection. You should be evaluated in person - you may need blood work and a cxr. ...Read more

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Do I have congestive heart failure, or allergies? I am a 36 year old female who has been in good health until 3 year ago. Then almost over night I get asmatic broncidus and neumona. I was sick for 3 months and during this the doctor said I had congestive

Cardiologist: I hope you have been evaluated by a cardiologist. You are a little young for heart failure without any risk factors. I have seen patients in my asthma clinic being treated for asthma with everything from heart failure to lupus. ...Read more

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What can cause pneumonia?

What can cause pneumonia?

Lots of things: Lots of things can cause pneumonia, which is an infection of the lung. Bacteria, viruses & fungi can all cause pneumonia. However, so can aspiration which occurs when choking on something, typically stomach contents. Appropriate vaccines are very useful in decreasing certain, but not all, pneumonias. ...Read more

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What can cause pneumonia?

What can cause pneumonia?

Almost anything: There are non-infectious causes and infections caused by bacteria, viruses, fungi, parasites, and so on. ...Read more

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What is pneumonia actually caused by?

What is pneumonia actually caused by?

Infection...: Pneumonia is caused by an infection of the lung parenchyma. When the etiology is bacterial, antibiotics are prescribed whereas supportive care is given when there is a viral etiology. ...Read more

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Could new piercings cause pneumonia?

Could new piercings cause pneumonia?

Possibly: If the piercings were in the oral cavity, there is a remote possibility that bronchitis or pneumonia could occur. More likely it is just coincidence. ...Read more

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What causes atypical pneumonia to occur?

What causes atypical pneumonia to occur?

Atypical PNA.: Atypical pneumonia, otherwise known as walking pneumonia, is a type of pneumonia caused by certain bacteria (which you acquire from someone coughing) that generally cause a milder and longer lasting type of pneumonia. Often overlooked because the symptoms are so mild. Could cause cough, shortness of breath, chills, sweats, fever, chest discomfort. ...Read more

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What causes the rusty sputum in pneumonia?

What causes the rusty sputum in pneumonia?

Entry of red cells: The rusty sputum tends to occur in the stage of red hepatization of pneumonia when red blood cells leak into the alveolar spaces in the lung. When coughed out, the sputum at this early stage of infection can have a rusty appearance. ...Read more

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What are the top causes of bronchitis and pneumonia?

What are the top causes of bronchitis and pneumonia?

Bacteria or viral: Both acute bronchitis and pneumonia are usually caused by either bacterial or viral infections. Some common bacterial causes include strep pneumoniae, staph aureus, b. Catarhalis as well as many others. Chronic bronchitis is a form of copd, usually due to smoking. ...Read more

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How can I prevent pneumonia? What causes pneumonia? Is there a way to prevent it? .

How can I prevent pneumonia? What causes pneumonia? Is there a way to prevent it? .

Varied causes: There are pneumonia vaccines to help decrease your chance of pneumonia. Staying away from people who are sick with the cough can also help decrease your chance of pneumonia. Pneumonia can be caused by viruses, bacteria and fungus. ...Read more

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Why does pneumonia cause fever?

Why does pneumonia cause fever?

Chemicals: Infections cause the release of chemicals (interleukins) from white cells. These chemicals are extremely potent and mediate a variety of host responses to infection including raising your temperature. Your body seems to fight a bit better at warmer temps and some bacteria don't do as well. ...Read more

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Can pharyngitis cause pneumonia?

Can pharyngitis cause pneumonia?

No: But if the organism (viral or bacterial) has affected both the pharynx and lungs, then both conditions can occur. However most pharyngitis cases are confined to the pharynx. ...Read more

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Can thoracentesis cause pneumonia?

Can thoracentesis cause pneumonia?

Unlikely: That is very unlikely. A collapsed lung (pneumothorax) is the most common complication. ...Read more

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How does pneumonia cause cyanosis?

How does pneumonia cause cyanosis?

Cyanosis: Cyanosis is the low level or lack of oxygen. Pneumonia makes the exchange of oxygen in the lungs difficult. One who has pneumonia often finds their oxygen level too low or cyanotic. ...Read more

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Is pneumonia caused by a bacteria?

Is pneumonia caused by a bacteria?

Bacterial: pneumonia is, obviously, caused by bacteria. But there are a number of other causes of pneomonia, such as viral and fungal etiologies. Chemical, dust, and other inhaled or aspirated substances can also cause a non-infectious pneumonitis. ...Read more

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Can pneumonia cause permanent asthma?

Can pneumonia cause permanent asthma?

?: pneumonia is an inflammation of the lung itself, while asthma is an inflammation of the airways, both are interconnected, but pneumonia has its causes, mainly infection, with either viruses or bacteria, and other micro-organisms, usually doesn't lead to asthma, but can flare it up if already present, hope that answers your question ...Read more

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Does pneumonia cause bronchial obstruction?

Other way around: Pneumonia is essentially pus that blocks the alveoli-air sacs. If a bronchus is obstructed by a foreign body or tumor, bacteria can get trapped in the undrainable lung and cause pneumonia. ...Read more

Dr. Michael DePietro
2,228 Doctors shared insights

Pneumonia (Definition)

An inflammation of the lungs, most ...Read more