Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Nasal Congestion causes
Introduction
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Causes
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
Common Causes
- Allergic reaction
- Common cold or influenza
- Hay fever, allergic reaction to pollen or grass
- Sinusitis or sinus infection
- Many women suffer from nasal congestion during pregnancy due to the increased amount of blood flowing through the body.
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | Aztreonam, Butorphanol, Desmopressin, Eculizumab, Fluphenazine, Ivacaftor, Thioridazine hydrochloride |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | No underlying causes |
- Aztreonam
- Congenital abnormality
- Cystic Fibrosis
- Desmopressin
- Eculizumab
- Folliculitis of nasal hair
- Foreign body in nose
- Idiopathic rhinitis
- Intranasal cocaine use
- Ivacaftor
- Medication side effects
- NARES
- Nasal polyps
- Perennial allergic rhinitis
- Rhinitis medicamentosa
- Sarcoidosis
- Seasonal allergic rhinitis
- Sinusitis
- Thioridazine hydrochloride
- Upper respiratory infection
- Vasomotor rhinitis
- Wegener’s Granulomatosis
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]