Nasal congestion
More common causes
Vasomotor rhinitis
Allergic rhinitis
Gastroesophageal reflux disease
Hypothyroidism
Cocaine use disorder
Smoke inhalation
Amphetamine use disorder
Chronic rhinosinusitis
Nasal polyps
Empty nose syndrome
Ketamine use disorder
Acute viral rhinosinusitis
Acute allergic fungal rhinosinusitis
Acute bacterial rhinosinusitis
Less common causes
Sarcoidosis
Rhinoscleroma
Choanal atresia
Cystic fibrosis
Nasal trauma
Primary ciliary dyskinesia
Deviated nasal septum
Eosinophilic granulomatosis with polyangiitis
Granulomatosis with polyangiitis
Nasal foreign body
Uncommon causes
Rhinitis medicamentosa
Sinonasal malignancy
Nasal turbinate hypertrophy
Enlarged adenoids
Nasal septal hematoma
Nasal vestibulitis
Pregnancy rhinitis
Air pollution
Pharmacological causes
Albuterol sulfate
Alprazolam
Alprazolam XR
Ambrisentan
Amiloride hydrochloride
Aripiprazole
Aripiprazole ER
Asenapine ER
Avanafil
Azelastine hydrochloride
Azithromycin monohydrate
Aztreonam
Aztreonam / avibactam
Baclofen
Beclomethasone
Beclomethasone dipropionate
Bendamustine hydrochloride
Benzonatate
Bosentan
Bremelanotide
Bromocriptine mesylate
Budesonide
Budesonide / formoterol
Budesonide CIR
Budesonide DR
Budesonide ER
Bupropion hydrochloride
Bupropion hydrochloride SR
Bupropion hydrochloride XL
Buspirone hydrochloride
Butalbital / acetaminophen / caffeine
Butorphanol tartrate
Cabergoline
Carvedilol
Carvedilol ER
Chlorpromazine hydrochloride
Clonidine
Corticotropin repository
Crinecerfont
Cyclophosphamide
Cyproheptadine hydrochloride
Daratumumab
Decitabine
Desmopressin acetate
Dexmethylphenidate hydrochloride ER
Diazepam
Diltiazem hydrochloride
Diltiazem hydrochloride ER
Diphenhydramine hydrochloride
Dorzolamide / timolol
Doxepin hydrochloride
Doxycycline monohydrate
Eculizumab
Elexacaftor / tezacaftor / ivacaftor
Entrectinib
Epinephrine
Escitalopram oxalate
Everolimus
Febuxostat
Fentanyl
Fentanyl ER
Fluocinonide
Fluphenazine hydrochloride
Fluticasone / salmeterol
Fluticasone propionate
Glucagon
Glycopyrrolate
Hydralazine hydrochloride
Hydrocodone bitartrate ER
Iloprost
Ipratropium bromide
Ipratropium / albuterol
Iron sucrose
Isosorbide mononitrate
Isosorbide mononitrate ER
Ivacaftor
Labetalol hydrochloride
Lamivudine
Larotrectinib
Leuprolide acetate
Levetiracetam
Levetiracetam ER
Linvoseltamab
Lomitapide mesylate
Losartan potassium
Losartan / hydrochlorothiazide
Loxapine
Macitentan
Maraviroc
Mepolizumab
Methyldopa
Methylene blue
Metirosine
Metronidazole
Metronidazole ER
Metyrosine
Montelukast sodium
Nadolol
Naloxone hydrochloride
Nifedipine
Nizatidine
Olanzapine pamoate ER
Oxybutynin chloride
Pentoxifylline ER
Phenoxybenzamine hydrochloride
Phentolamine mesylate
Prazosin hydrochloride
Quetiapine fumarate
Quetiapine fumarate ER
Reslizumab
Riociguat
Risperidone
Risperidone ER
Rufinamide
Salmeterol xinafoate
Sildenafil citrate
Silodosin
Sucroferric oxyhydroxide
Tadalafil
Terazosin hydrochloride
Terbinafine hydrochloride
Testosterone
Tezacaftor / ivacaftor
Timolol maleate
Tisagenlecleucel
Tobramycin
Tramadol hydrochloride
Tramadol hydrochloride ER
Trazodone hydrochloride
Trifluoperazine hydrochloride
Vardenafil hydrochloride
Vigabatrin
Zidovudine