Blood Test for Puffy Eyes: Thyroid, Kidney and Allergy
Eye Swelling Lab Interpretation 2026 Update Patient-Friendly Most under-eye puffiness comes from sleep, salt, allergies, or normal fluid shifts and does not need blood work. A blood test for puffy eyes becomes sensible when swelling persists for 2–3 weeks, recurs with leg swelling or foamy urine, or appears alongside fatigue, weight change, rash, breathing symptoms, […]