Sodium, decreased
More common causes
Liver cirrhosis
Chronic kidney disease
Vomiting
Hypothyroidism
Heart failure
Bowel obstruction
Nephrotic syndrome
Sepsis
Adrenal insufficiency
Less common causes
Anorexia nervosa
Glycosuria
Acute kidney injury
Osmotic diuresis
Addison's disease
Encephalitis
Syndrome of inappropriate antidiuretic hormone secretion
Acute pancreatitis
Subarachnoid hemorrhage
Uncommon causes
Tea and toast syndrome
Cerebral salt-wasting syndrome
Sweating
Beer potomania
Diarrhea
Muscle trauma
Chemotherapy-induced tubulopathy
Autosomal dominant tubulointerstitial kidney disease
Head trauma
Meningitis
Central nervous system tumors
Brain surgery
Exercise-associated hyponatremia
Low solute intake
Primary polydipsia
Transurethral resection of the prostate syndrome
Hypotonic fluid administration
Preparation for colonoscopy
Pharmacological causes
Acetazolamide
Acetylcysteine
Aliskiren hemifumarate
Anidulafungin
Aprepitant
Aripiprazole
Aripiprazole ER
Asenapine ER
Atezolizumab / hyaluronidase
Atovaquone
Axitinib
Azithromycin monohydrate
Bendamustine hydrochloride
Bevacizumab
Bexarotene
Bosutinib monohydrate
Brentuximab vedotin
Brigatinib
Bumetanide
Bupropion hydrochloride
Bupropion hydrochloride SR
Bupropion hydrochloride XL
Busulfan
Cabozantinib
Candesartan cilexetil
Captopril
Carbamazepine
Carbamazepine ER
Carbidopa / levodopa
Carbidopa / levodopa ER
Carboplatin
Carfilzomib
Carmustine
Carvedilol
Carvedilol ER
Cefaclor ER
Cemiplimab
Cetuximab
Chlorothiazide
Chlorpromazine hydrochloride
Chlorthalidone
Cisplatin
Citalopram hydrobromide
Clomipramine hydrochloride
Clozapine
Cobimetinib
Conivaptan hydrochloride
Corticotropin repository
Cosibelimab
Crizotinib
Cyclophosphamide
Dasatinib
Decitabine
Desmopressin acetate
Desvenlafaxine succinate ER
Dexlansoprazole DR
Dexrazoxane
Dextromethorphan / bupropion ER
Diclofenac sodium
Diclofenac sodium DR
Dinutuximab
Divalproex sodium DR
Divalproex sodium ER
Docetaxel
Donepezil hydrochloride
Doxepin hydrochloride
Duloxetine hydrochloride DR
Enalapril maleate
Enalaprilat
Ensartinib
Enzalutamide
Eplerenone
Eprosartan
Erdafitinib
Escitalopram oxalate
Eslicarbazepine acetate
Esomeprazole magnesium DR
Esomeprazole sodium
Ethacrynic acid
Etodolac
Everolimus
Fenoprofen
Fentanyl
Fentanyl ER
Finerenone
Fluphenazine hydrochloride
Flurbiprofen
Fluvoxamine maleate
Foscarnet sodium
Fosinopril sodium
Furosemide
Gabapentin
Ganciclovir
Gentamicin sulfate
Glasdegib
Glimepiride
Glyburide
Glyburide / metformin
Glyburide micronized
Haloperidol
Hydrochlorothiazide
Hydromorphone hydrochloride
Hydromorphone hydrochloride ER
Ifosfamide
Imatinib mesylate
Imipenem / cilastatin / relebactam
Imipramine pamoate
Inavolisib
Indapamide
Indomethacin
Indomethacin ER
Interferon gamma-1b
Ipilimumab
Irinotecan hydrochloride
Ketoprofen
Ketoprofen ER
Ketorolac tromethamine
Lamotrigine
Lamotrigine XR
Lansoprazole DR
Lazertinib
Lenalidomide
Levetiracetam
Levetiracetam ER
Levomilnacipran hydrochloride ER
Linezolid
Lisinopril sodium
Lisinopril / hydrochlorothiazide
Lithium carbonate
Lithium carbonate ER
Lithium citrate
Lorazepam
Lorazepam ER
Losartan potassium
Losartan / hydrochlorothiazide
Loxapine
Mannitol
Meperidine hydrochloride
Metolazone
Mirtazapine
Mitoxantrone
Nadolol / bendroflumethiazide
Naproxen
Naproxen DR
Naproxen sodium ER
Nefazodone hydrochloride
Nilotinib
Nortriptyline hydrochloride
Omeprazole magnesium DR
Oxcarbazepine
Oxcarbazepine XR
Oxycodone hydrochloride
Oxycodone hydrochloride ER
Oxytocin
Paliperidone ER
Panobinostat
Pantoprazole sodium
Pantoprazole sodium DR
Paroxetine hydrochloride
Paroxetine hydrochloride CR
Paroxetine mesylate
Pazopanib hydrochloride
Pembrolizumab
Penpulimab
Pentostatin
Perampanel
Perindopril erbumine
Phenobarbital sodium
Phenoxybenzamine hydrochloride
Pimozide
Pioglitazone / glimepiride
Piroxicam
Potassium chloride
Prochlorperazine
Prochlorperazine edisylate
Prochlorperazine maleate
Propafenone hydrochloride
Propafenone hydrochloride ER
Quetiapine fumarate
Quetiapine fumarate ER
Rabeprazole sodium DR
Ramipril
Ramucirumab
Regorafenib
Revumenib
Rifabutin
Rivastigmine ER
Rivastigmine tartrate
Romidepsin
Selinexor
Sertraline hydrochloride
Sodium picosulfate / magnesium oxide / citric acid
Sorafenib
Spironolactone
Sunitinib malate
Tacrolimus
Tacrolimus ER
Telisotuzumab vedotin
Telmisartan
Terlipressin
Tigecycline
Tolazamide
Tolbutamide
Topiramate
Topiramate XR
Torsemide
Tramadol hydrochloride
Tramadol / acetaminophen
Tramadol hydrochloride ER
Trandolapril
Trazodone hydrochloride
Triamterene / hydrochlorothiazide
Trimethoprim
Trimethoprim / sulfamethoxazole
Valproate sodium
Valproic acid
Valsartan / hydrochlorothiazide
Vasopressin
Venetoclax
Venlafaxine hydrochloride
Venlafaxine hydrochloride ER
Vincristine sulfate
Vinorelbine
Vismodegib
Voriconazole
Vortioxetine
Zanidatamab
Zenocutuzumab
Ziprasidone hydrochloride
Zolbetuximab