Misdiagnosis of Hidden Causes of Pneumonia

Underlying conditions list:

The list of possible underlying conditions mentioned in various sources for Pneumonia includes:

• Viral infection
• Bacterial infection
  • Streptococcus pneumoniae
  • Staphylococcus aureus
  • Chlamydia pneumoniae
  • Mycoplasma pneumoniae
  • Pneumocystis carinii
  • Toxoplasma gondii
• Fungal infection
• Lung cancer - can cause recurrent pneumonia
• AIDS - can lead to recurring lung infections
• Plague
• Q Fever
• Type A influenza subtype H7N2 - pneumonia
• Parkinson disease 12 (PARK12) - aspiration pneumonia
• Listeriosis - pneumonia
• Laryngeal cleft - aspiration pneumonia
• Common cold - pneumonia
• Alzheimer disease 6 - pneumonia
• Agranulocytosis - pneumonia
• Immunoglobulin G subclass deficiency - pneumonia
• Chromosome 5q duplication syndrome - recurrent pneumonia
• Chemical poisoning - Manganese - pneumonia
• Ausrian triad - pneumococcal pneumonia
• Streptococcus Group A
• Whooping Cough - pneumonia
• Type A influenza subtype H7N3 - pneumonia
• Type A Influenza - pneumonia
• Pneumococcal pneumonia - bronchopneumonia
• Parkinson disease 2, autosomal recessive juvenile (PARK2) - aspiration pneumonia
• Osteogenesis imperfecta, type 3 - recurrent pneumonia
• Hyper-IgM Syndrome - pneumocystis carinii pneumonia
• Down's Syndrome associated Alzheimer's disease - pneumonia
• Down Syndrome - pneumonia
• Chemical pneumonia - pneumonia
• Alzheimer disease, familial, 3, with spastic paraparesis and unusual plaques - pneumonia
• Alzheimer disease, familial, 1 - pneumonia
• Alzheimer disease 7 - pneumonia
• Alzheimer disease 12 - pneumonia
• Acute Bronchitis - pneumonia
• Serratia - pneumonia
• SCID - pneumonia
• SARS - pneumonia
• Legionnaires' disease - pneumonia
• IgG Deficiency - pneumonia
• Esophageal atresia - pneumonia
• Common Variable Immunodeficiency - pneumonia
• Blastomycosis - chronic pneumonia
• Ataxia Telangiectasia - recurrent pneumonia
• Aspergillosis - pneumonia
• Haemophilus influenzae
• Type B Influenza - pneumonia
• Type A influenza subtype H9N2 - pneumonia
• Simpson-Golabi-Behmel syndrome, type 2 - pneumonia
• Right parietal lobe syndrome related Alzheimer's disease - pneumonia
• Pleurisy - pneumonia
• Parkinson disease 8 (PARK8) - aspiration pneumonia
• Parkinson disease 13 (PARK13) - aspiration pneumonia
• Occupational lung disease - Ammonia inhalation - pneumonia
• Mycoplasmal pneumonia - pneumonia
• Marie type ataxia - pneumonia
• Idiopathic Parkinson's disease - aspiration pneumonia
• Group A Streptococcal Infections - pneumonia
• Atransferrinemia - pneumonia
• Alzheimer disease, familial, 3, with spastic paraparesis and apraxia - pneumonia
• Alzheimer disease 8 - pneumonia
• Alzheimer disease 13 - pneumonia
• Torulopsis - pneumonia
• Pneumocystis carinii pneumonia - pneumonia
• Nezelof's syndrome - pneumocystis carinii pneumonia
• Hemophilus influenzae B - bacterial pneumonia
• Drug-resistant Streptococcus Pneumoniae Disease - Pneumonia
• Cystic Fibrosis - pneumonia
• Aureobasidium pullulans exposure - pneumonia
• Pseudomonas aeruginosa
• Listeria monocytogenes
• Typhus - pneumonia
• Type C Influenza - pneumonia
• Type A influenza subtype H5 - pneumonia
• Type A influenza subtype H10N7 - pneumonia
• Infantile hypophosphatasia - pneumonia
• Early-onset Alzheimer's - pneumonia
• Alzheimer disease 9 - pneumonia
• Alzheimer disease 3, (early-onset Alzheimer disease) - pneumonia
• Alzheimer disease 2, late-onset - pneumonia
• Alzheimer disease 14 - pneumonia
• Aicardi syndrome - recurrent pneumonia
• Malignant Buotonneuse fever - pneumonia
• Group B Streptococcal Infections - pneumonia
• Type A influenza subtype H1N1 - pneumonia
• Parkinson disease, familial, type 1 (PARK1) - aspiration pneumonia
• Parkinson disease 9 (PARK9) - aspiration pneumonia
• Parkinson disease 3, autosomal dominant Lewy body (PARK3) - aspiration pneumonia
• Multiple Myeloma - pneumococcal pneumonia
• Esophageal Atresia and/or Tracheoesophageal Fistula - aspiration pneumonia
• Duchenne Muscular Dystrophy - pneumonia
• Chronic Bronchitis - bronchopneumonia
• Blaichman syndrome - pneumonia
• Alzheimer disease, familial, 4 - pneumonia
• Alzheimer disease 15 - pneumonia
• X-linked agammaglobulinaemia - Pneumonia
• Unilateral pulmonary agenesis - recurrent pneumonia
• Streptococcal Group B invasive disease - pneumonia
• Hyper-IgE Syndrome - recurrent pneumonia
• Hantavirus - Pneumonia
• Influenza
• Talc pneumoconiosis
• Bronchiectasis
• Type A influenza subtype H7N7 - pneumonia
• Type A influenza subtype H7 - pneumonia
• Type A influenza subtype H1N2 - pneumonia
• Respiratory Syncytial Virus Infections - pneumonia
• Pseudophosphatasia - pneumonia
• Progressive Supranuclear Palsy - pneumonia
• Multiple pterygium syndrome - pneumonia
• Moebius axonal neuropathy - hypogonadism - bronchopneumonia
• Late-onset Alzheimer's - pneumonia
• Kartagener syndrome - pneumonia
• Infantile dysphagia - aspiration pneumonia
• Chlamydia - pneumonia
• Alzheimer disease 16 - pneumonia
• Actinomycosis - pneumonia
• Wyatt disease - pneumonia
• Williams-Campbell syndrome - pneumonia
• Nocardiosis - pneumonia
• Encephalitozoon cuniculi infection - pneumonia
• Proteus
• Type A influenza subtype H2N2 - pneumonia
• Parkinson disease 6, autosomal recessive early-onset (PARK6) - aspiration pneumonia
• Parkinson disease 4, autosomal dominant Lewy body (PARK4) - aspiration pneumonia
• Paragonimiases - lung infection - bronchopneumonia
• Neutropenia - pneumonia
• Muscular dystrophy, Duchenne and Becker type - pneumonia
• Familial Forms of Alzheimer's Disease - pneumonia
• Dermatomyositis - aspiration pneumonia
• Cytomegalovirus - pneumonia
• Alzheimer disease, familial, 11 - pneumonia
• Achalasia - pneumonia
• X-Linked Agammaglobulinemia - pneumonia
• Pneumonic plague - pneumonia
• Parainfluenza - pneumonia
• Chediak-Higashi Syndrome - pneumonia
• Arnold-Chiari malformation type 2 - aspiration pneumonia
• Adenoviruses - pneumonia
• Cryptococcus neoformans
• Upper Respiratory Infection - pneumonia
• Typhoid fever - pneumonia
• Type A influenza subtype H9 - pneumonia
• Type A influenza subtype H3N2 - pneumonia
• Sporotrichosis - pneumonia
• Rat-bite fever - pneumonia
• Parkinson disease 5 (PARK5) - aspiration pneumonia
• Parkinson disease 10 (PARK10) - aspiration pneumonia
• Moebius sequence - bronchopneumonia
• Mitochondrial Parkinson's disease - aspiration pneumonia
• Francisella tularenis infection - pneumonia
• Alzheimer disease, early-onset, with cerebral amyloid angiopathy - pneumonia
• Toxocariasis - pneumonia
• Sjogren's Syndrome - aspiration pneumonia
• Psittacosis - Severe pneumonia
• Parainfluenza virus type 1 - pneumonia
• Type A influenza subtype H5N1 - pneumonia
• Streptococcal Infections - pneumonia
• Precocious myoclonic encephalopathy - aspiration pneumonia
• Parkinson disease 7, autosomal recessive early-onset (PARK7) - aspiration pneumonia
• Jeune syndrome - pneumonia
• Flu - Pneumonia
• Achalasia, primary - pneumonia
• Parainfluenza virus type 2 - pneumonia
• Chronic Granulomatous Disease - pneumonia
• AIDS-Related Opportunistic Infections - bacterial pneumonia
• Adducted thumb syndrome recessive form - pneumonia
• Acidic dry cell batteries inhalation poisoning - pneumonia
• Melioidosis - pneumonia
• Nocardia
• Sickle Cell Anemia - pneumonia
• Persistent Vegetative State - pneumonia
• Parkinson disease 11 (PARK11) - aspiration pneumonia
• Muscular Dystrophy - pneumonia
• Measles - pneumonia
• Kyasanur-Forrest disease - bronchopneumonia
• Idiopathic myopathy - aspiration pneumonia
• Epiglotitis - bacterial pneumonia
• Corticobasal Degeneration - pneumonia
• WHIM syndrome - Pneumonia
• Stenotrophomonas maltophilia - pneumonia
• Respiratory syncytial virus - pneumonia
• Parainfluenza virus type 3 - pneumonia
• Human T-lymphotropic virus type 3 - pneumonia
• Hantavirosis - pneumonia
• Histoplasmosis
• Gastric content aspiration
• Type A influenza subtype H1 - pneumonia
• Paragonimiasis - bronchopneumonia
• Orstavik-Lindemann-Solberg syndrome - pneumonia
• Machado-Joseph Disease - aspiration pneumonia
• Lenz Majewski hyperostotic dwarfism - recurrent pneumonia
• Bird flu (avian influenza) - pneumonia
• Alzheimer disease 5 - pneumonia
• Alzheimer disease 10 - pneumonia
• Parainfluenza virus type 4 - pneumonia
• Moraxella catarrhalis infection - bronchopneumonia
• Chromosome 7 ring syndrome - pneumonia
• Rhodococcus equi
• Klebsiella sp
• Influenza virus A and B
• Respiratory syncytial virus (RSV)
• Adenoviruses (in military recruits)
• Metapneumovirus
• Human parainfluenza viruses (in children)
• Viruses that rarely cause pneumonia include:
• Herpes simplex virus (HSV), mainly in newborns
• Varicella-zoster virus (VZV)
• Cytomegalovirus (CMV), mainly in people with immune system problems
• Gram positive bacteria - Streptococcus pneumonia
• Gram negaltive bacteria - Haemophilus influenza
• Klebsiella pneumonia
• Escherichia coli
• Moraxella catarrhalis are the most common
• Atypical bacteria - Coxiella burnetti
• Chlamydophila pneumonia
• Mycoplasma pneumonia
• Legionella pneumophila

Other underlying conditions related to Pneumonia:

• Abdominal pain
• Abnormal sputum
• Acute lung syndrome
• Breath sounds bronchial
• Breathlessness
• Bronchiectasis
• Bronchospasm
• Chest expansion poor
• Chest pain
• Chest wall percussion dull
• Cough
• Empyema, pleural
• Haemoptysis
• Hyperventilation
• Interstitial lung disease
• Pleural effusion
• Pleuritis
• Pulmonary consolidation
• Pulmonary oedema
• Pyrexia of unknown origin
• Respiratory failure
• SIADH
• Vocal fremitus increased

Source: Diseases Database

Pneumonia as a complication:

Other conditions that might have Pneumonia as a complication might be potential underlying conditions. The list of conditions listing Pneumonia as a complication includes:

• Achalasia
• Achalasia, primary
• Actinomycosis
• Acute Bronchitis
• Acute upper respiratory infection
• Agranulocytosis
• Alzheimer disease 10
• Alzheimer disease 12
• Alzheimer disease 13
• Alzheimer disease 14
• Alzheimer disease 15
• Alzheimer disease 16
• Alzheimer disease 2, late-onset
• Alzheimer disease 3, (early-onset Alzheimer disease)
• Alzheimer disease 5
• Alzheimer disease 6
• Alzheimer disease 7
• Alzheimer disease 8
• Alzheimer disease 9
• Alzheimer disease, early-onset, with cerebral amyloid angiopathy
• Alzheimer disease, familial, 1
• Alzheimer disease, familial, 11
• Alzheimer disease, familial, 3, with spastic paraparesis and apraxia
• Alzheimer disease, familial, 3, with spastic paraparesis and unusual plaques
• Alzheimer disease, familial, 4
• Atransferrinemia
• Bird flu (avian influenza)
• Blaichman syndrome
• Bronchitis
• Bronchogenic carcinoma
• Chemical pneumonia
• Chlamydia
• Common cold
• Cornelia de Lange syndrome 1
• Corticobasal Degeneration
• Cystic Fibrosis
• Cytomegalovirus
• Down Syndrome
• Down's Syndrome associated Alzheimer's disease
• Duchenne Muscular Dystrophy
• Early-onset Alzheimer's
• Familial Forms of Alzheimer's Disease
• Flu
• Francisella tularenis infection
• Group A Streptococcal Infections
• Group B Streptococcal Infections
• Infantile hypophosphatasia
• Jeune syndrome
• Kartagener syndrome
• Late-onset Alzheimer's
• Legionnaires' disease
• Listeriosis
• Marie type ataxia
• Measles
• Melioidosis
• Multiple pterygium syndrome
• Muscular Dystrophy
• Muscular dystrophy, Duchenne and Becker type
• Mycoplasmal pneumonia
• Neutropenia
• Occupational lung disease - Ammonia inhalation
• Occupational lung disease - Chlorine inhalation
• Occupational lung disease - Formalin vapors inhalation
• Occupational lung disease - Hydrogen Sulfide inhalation
• Occupational lung disease - Nitrogen dioxide inhalation
• Occupational lung disease - Ozone inhalation
• Occupational lung disease - Phosgene inhalation
• Occupational lung disease - Sulfur dioxide inhalation
• Orstavik-Lindemann-Solberg syndrome
• Parainfluenza
• Persistent Vegetative State
• Pleurisy
• Progressive Supranuclear Palsy
• Pseudophosphatasia
• Psittacosis
• Q fever
• Rat-bite fever
• Recurring airway infection
• Respiratory syncytial virus
• Respiratory Syncytial Virus Infections
• Respiratory system cancer
• Right parietal lobe syndrome related Alzheimer's disease
• SARS
• Sickle Cell Anemia
• Simpson-Golabi-Behmel syndrome, type 2
• Sjogren's Syndrome
• Sporotrichosis
• Staphylococcal infection
• Streptococcal Group B invasive disease
• Streptococcal Infections
• Swine flu
• Type A Influenza
• Type A influenza subtype H1
• Type A influenza subtype H10N7
• Type A influenza subtype H1N1
• Type A influenza subtype H1N2
• Type A influenza subtype H2N2
• Type A influenza subtype H3N2
• Type A influenza subtype H5
• Type A influenza subtype H5N1
• Type A influenza subtype H7
• Type A influenza subtype H7N2
• Type A influenza subtype H7N3
• Type A influenza subtype H7N7
• Type A influenza subtype H9
• Type A influenza subtype H9N2
• Type B Influenza
• Type C Influenza
• Typhoid fever
• Typhus
• Upper Respiratory Infection
• Whooping Cough

Pneumonia Causes: Book Excerpts

• Differential Diagnosis - Cough - Productive
• Differential Diagnosis - Cough - Nonproductive
• Differential Diagnosis - Cough – Acute
• Differential Diagnosis - Cough – Chronic
• Medical causes - Cough, productive
• Medical causes - Cough, barking
• Medical causes - Cough, nonproductive
• Causes and incidence - Pneumonia
• Causes and incidence - Idiopathic bronchiolitis obliterans with organizing pneumonia
• Causes and incidence - Pneumocystis carinii pneumonia
• Causes and incidence - Whooping cough
• Medical causes - Cough, productive
• Medical causes - Cough, barking
• Medical causes - Cough, nonproductive
• Differential Overview - Pneumonia Variants
• Differential Overview - Acute Cough
• Differential Overview - Chronic Cough
• Causes - Pneumonia
• Causes - Bronchiolitis obliterans with organizing pneumonia, idiopathic
• Causes - Pneumocystis carinii pneumonia
• Medical causes - Cough, productive
• Medical causes - Cough, barking
• Medical causes - Cough, productive
• Medical causes - Cough, barking
• Medical causes - Cough, nonproductive
• Principal Causes of Cough - Cough
• Medical causes - Cough, productive
• Medical causes - Cough, barking
• Medical causes - Cough, nonproductive

Pneumonia as a symptom:

Conditions listing Pneumonia as a symptom may also be potential underlying conditions.

For a more detailed analysis of Pneumonia as a symptom, including causes, drug side effect causes, and drug interaction causes, please see our Symptom Center information for Pneumonia.

• Acidic dry cell batteries inhalation poisoning
• Adducted thumb syndrome recessive form
• Adducted thumbs - arthrogryposis, Christian type
• Adenoviruses
• Aspergillosis
• Aureobasidium pullulans exposure
• Chediak-Higashi Syndrome
• Chemical poisoning - 1,1-Dimethylhydrazine
• Chemical poisoning - Button batteries
• Chemical poisoning - Manganese
• Chlamydia pneumoniae
• Chromosome 7 ring syndrome
• Chronic Granulomatous Disease
• Common Variable Immunodeficiency
• Cystic Fibrosis
• Drug-resistant Streptococcus Pneumoniae Disease
• Encephalitozoon cuniculi infection
• Esophageal atresia
• Group B Streptococcal Infections
• Hantavirosis
• Hantavirus
• HIV/AIDS
• Human T-lymphotropic virus type 3
• IgG Deficiency
• Immunoglobulin G subclass deficiency
• Legionnaires' disease
• Malignant Buotonneuse fever
• Melioidosis
• Mycoplasma pneumoniae
• Nocardiosis
• Parainfluenza
• Parainfluenza virus type 1
• Parainfluenza virus type 2
• Parainfluenza virus type 3
• Parainfluenza virus type 4
• Pneumocystis carinii pneumonia
• Pneumonic plague
• Psittacosis
• Respiratory syncytial virus
• SARS
• SCID
• Serratia
• Sjogren's Syndrome
• Skeletal dysplasia - mental retardation
• Stenotrophomonas maltophilia
• Streptococcal Group B invasive disease
• Torulopsis
• Toxocariasis
• WHIM syndrome
• Williams-Campbell syndrome
• Wyatt disease
• X-linked agammaglobulinaemia
• X-Linked Agammaglobulinemia

Discussion of underlying conditions of Pneumonia:

Streptococcus pneumoniae and Haemophilus influenzae are the leading bacterial pathogens. Other bacteria (Staphylococcus aureus, and gram-negative pathogens) most often affect newborns and malnourished children. Respiratory viruses (RSV, influenza, parainfluenza, and adenovirus) can be identified in approximately a quarter of children with pneumonia but are much less likely to cause fatal infection than are the bacterial pathogens. (Source: excerpt from Pneumonia among Children in Developing Countries: DBMD)

About underlying conditions:

With a diagnosis of Pneumonia, it is important to consider whether there is an underlying condition causing Pneumonia. These are other medical conditions that may possibly cause Pneumonia. For general information on this form of misdiagnosis, see Underlying Condition Misdiagnosis or Overview of Misdiagnosis.
 » Next page: Misdiagnosis of Medication Causes of Pneumonia

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