[Nephrology] What should I do about facial swelling every morning upon waking?

If you experience facial swelling—particularly noticeable upon waking each morning—it may indicate an underlying issue with fluid regulation, often related to kidney function, but potentially involving other systems as well. Morning periorbital edema (swelling around the eyes) is a common presentation because gravity causes fluid to redistribute during supine sleep, and any impairment in sodium or water excretion can lead to accumulation in loose periorbital tissues. While mild, transient puffiness can be benign—especially with high dietary salt intake, insufficient sleep, or allergies—recurrent or persistent facial edema warrants clinical evaluation.

Key medical considerations include nephrotic syndrome (characterized by heavy proteinuria, hypoalbuminemia, hyperlipidemia, and edema), acute or chronic glomerulonephritis, heart failure, liver cirrhosis, or hypothyroidism. Certain medications—such as calcium channel blockers (e.g., amlodipine) or NSAIDs—can also promote fluid retention. Importantly, facial swelling accompanied by shortness of breath, orthopnea, frothy urine, foamy urine, reduced urine output, or weight gain >2 kg over 3 days requires urgent assessment to rule out decompensated heart failure or rapidly progressive glomerular disease.

A thorough evaluation typically includes urinalysis (to detect proteinuria or hematuria), serum creatinine and estimated glomerular filtration rate (eGFR), serum albumin, electrolytes, liver function tests, thyroid-stimulating hormone (TSH), and sometimes complement levels or autoimmune serologies. In select cases, renal ultrasound or kidney biopsy may be indicated. Management depends on the underlying cause: sodium restriction, diuretic therapy (e.g., furosemide or spironolactone), treatment of primary kidney disease (e.g., corticosteroids for minimal change disease), or optimization of cardiac or endocrine conditions.

Please consult a nephrologist or your primary care provider for personalized assessment. Do not self-treat with over-the-counter diuretics, as inappropriate use can precipitate electrolyte imbalances or worsen renal perfusion.