Hay fever

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Hay fever
Pollen grains from a variety of common plants can cause hay fever.

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Hay fever Microchapters
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Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Hay fever from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Alternative Therapy

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Hay fever On the Web

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Blogs on Hay fever</small>

Directions to Hospitals Treating Hay fever

Risk calculators and risk factors for Hay fever

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Seasonal rhinitis, allergic rhinitis

Overview

v • d • e

Head	sinuses: Sinusitis nose: Rhinitis (Vasomotor rhinitis, Atrophic rhinitis, Hay fever) · Nasal polyp · Deviated septum tonsil: Tonsillitis · Adenoid hypertrophy · Peritonsillar abscess
Neck	pharynx: Pharyngitis (Strep throat) larynx: Laryngitis · Croup · Laryngospasm · vocal folds: Vocal fold nodule · epiglottis: Epiglottitis trachea: Tracheitis · Tracheal stenosis

External agents/ occupational lung disease	Pneumoconiosis (Asbestosis, Baritosis, Bauxite fibrosis, Berylliosis, Caplan's syndrome, Chalicosis, Coalworker's pneumoconiosis, Siderosis, Silicosis, Byssinosis) Hypersensitivity pneumonitis (Bagassosis, Bird fancier's lung, Farmer's lung)
Other	ARDS · Pulmonary edema · Löffler's syndrome/Eosinophilic pneumonia · Respiratory hypersensitivity (Allergic bronchopulmonary aspergillosis) Hamman-Rich syndrome · Idiopathic pulmonary fibrosis

Obstructive or
restrictive

By pathogen	Viral · Bacterial (Pneumococcal) / Atypical bacterial (Mycoplasma, Legionnaires' disease, Chlamydiae) · Fungal (Pneumocystis) · Parasitic · noninfectious (Chemical/Mendelson's syndrome, Aspiration/Lipid)
By vector/route	Community-acquired · Healthcare-associated · Hospital-acquired
By distribution	Broncho- · Lobar
IIP	UIP · DIP · BOOP-COP · NSIP · RB

Other

Suppuration	Empyema/pyothorax · Lung abscess
Pleural disease	Pleuritis/pleurisy Pneumothorax/Hemopneumothorax (Tension pneumothorax) Pleural effusion: Hemothorax · Hydrothorax · Chylothorax
Mediastinal disease	Mediastinitis · Mediastinal emphysema

Other/general

v • d • e Health science - Medicine - Allergic conditions
Respiratory system	Allergic rhinitis · Asthma · Hypersensitivity pneumonitis · Eosinophilic pneumonia · Churg-Strauss syndrome · Allergic bronchopulmonary aspergillosis · Farmer's lung
Skin	Angioedema · Urticaria · Atopic dermatitis · Allergic contact dermatitis · Hypersensitivity vasculitis
Blood and immune system	Serum sickness
Circulatory system	Anaphylaxis
Digestive system	Coeliac disease · Eosinophilic gastroenteritis · Food allergy · Milk intolerance
Nervous system	Eosinophilic meningitis
Genitourinary system	Acute interstitial nephritis
Other conditions	Drug allergy · Allergic conjunctivitis