Increased capillary hydraulic pressure |
Increased plasma volume due to renal sodium retention |
- Heart failure, including cor pulmonale
- Primary renal sodium retention
- Renal disease, including the nephrotic syndrome
- Drugs:* Nonsteroidal antiinflammatory drugs (NSAIDs), glucocorticoids, fludrocortisone, thiazolidinediones (glitazones), insulins, estrogens, progestins, androgens, testosterone, aromatase inhibitors, tamoxifen; and by multiple mechanisms: vasodilators (hydralazine, minoxidil, diazoxide) and calcium channel blockers (particularly dihydropyridines [ie, amlodipine, nifedipine]); also refer to "Arteriolar vasodilation" below
- Refeeding edema
- Early hepatic cirrhosis
- Pregnancy and premenstrual edema
- Idiopathic edema, when diuretic induced
- Sodium or fluid overload: Parenteral antibiotics or other drugs with large amounts of sodium, sodium bicarbonate, or excessive or overly rapid fluid replacement
|
Venous obstruction or insufficiency |
- Cirrhosis or hepatic venous obstruction
- Acute pulmonary edema
- Local venous obstruction
- Venous thrombosis
- Venous stenosis
- Chronic venous insufficiency – Post-thrombotic syndrome
|
Arteriolar vasodilation |
- Drugs:* Frequent – Vasodilators (hydralazine, minoxidil, diazoxide), dihydropyridine calcium channel blockers; less frequent – alpha1 blockers, sympatholytics (ie, methyldopa), nondihydropyridine calcium channel blockers[1]
- Idiopathic edema
|
Hypoalbuminemia |
Protein loss |
- Nephrotic syndrome
- Protein-losing enteropathy
|
Reduced albumin synthesis |
- Liver disease
- Malnutrition
|
Increased capillary permeability |
- Idiopathic edema
- Burns
- Trauma
- Inflammation or sepsis
- Allergic reactions, including certain forms of angioedema
- Acute respiratory distress syndrome
- Diabetes mellitus
- Interleukin 2 therapy
- Malignant ascites
|
Lymphatic obstruction or increased interstitial oncotic pressure |
- Lymph node dissection
- Nodal enlargement due to malignancy
- Hypothyroidism
- Malignant ascites
|
Other drugs* (uncertain mechanism) |
- Anticonvulsant: Gabapentin, pregabalin
- Antineoplastic: Docetaxel, cisplatin
- Antiparkinson: Pramipexole, ropinirole
|