What are the causes of facial swelling in elderly people?

Facial swelling in older adults can arise from a variety of underlying causes, ranging from benign and transient to serious and potentially life-threatening. Common contributors include fluid retention (edema) due to heart failure—particularly right-sided or global heart failure—where reduced cardiac output leads to venous congestion and capillary hydrostatic pressure elevation, promoting interstitial fluid accumulation. Chronic kidney disease may also cause facial edema, especially in the periorbital region, due to impaired sodium and water excretion and hypoalbuminemia secondary to proteinuria.

Medication-related causes are frequent in geriatric populations; calcium channel blockers (e.g., amlodipine), nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, and certain antidiabetic agents such as thiazolidinediones (e.g., pioglitazone) can induce or exacerbate peripheral and facial edema. Hypothyroidism is another important consideration, as myxedema—characterized by glycosaminoglycan deposition in dermal tissues—often presents with non-pitting, firm facial swelling, particularly around the eyes and cheeks, alongside fatigue, cold intolerance, and bradycardia.

Less common but clinically critical etiologies include angioedema—especially if sudden, asymmetric, or associated with airway symptoms—which may be triggered by ACE inhibitors (a widely prescribed class in older adults), hereditary C1 esterase inhibitor deficiency, or allergic reactions. Infections such as cellulitis or dental abscesses can produce localized, warm, tender facial swelling with systemic signs like fever or leukocytosis. Rarely, malignancies—including lymphoma, metastatic disease, or paraneoplastic syndromes—may manifest with facial edema due to superior vena cava syndrome or direct tissue infiltration.

A thorough evaluation is essential and should include a detailed history (onset, duration, symmetry, associated symptoms, medication review, and comorbidities), physical examination (assessing for pitting vs. non-pitting edema, jugular venous pressure, lung crackles, abdominal ascites, thyroid enlargement), and targeted investigations—such as serum electrolytes, renal function tests, liver enzymes, thyroid-stimulating hormone (TSH), albumin, echocardiography, or imaging based on clinical suspicion. Prompt identification and management of the underlying cause are vital, particularly when red flags—like dyspnea, stridor, orthopnea, or rapid progression—are present.