---
title: What causes puffy eyes?
description: "Puffy eyes describe generalised swelling or fullness around the eyelids and under‑eye area. It can be cosmetic or a sign of local or systemic issues. ## Everyday Factors Lack of sleep, salt-rich meals, alcohol, and crying commonly lead to transient…"
url: "https://bluefinvision.com/knowledge-base/topics/symptoms-signs/what-causes-puffy-eyes/"
updated: "2025-12-12"
category: "Symptoms & Signs"
---

# What causes puffy eyes?

Puffy eyes describe generalised swelling or fullness around the eyelids and under‑eye area. It can be cosmetic or a sign of local or systemic issues.

## Everyday Factors

Lack of sleep, salt-rich meals, alcohol, and crying commonly lead to transient puffiness. Age-related loosening of eyelid tissues and fat herniation also create chronic under‑eye bags.

- Allergy and sinus congestion cause puffy, itchy, or watery eyes
- Fluid retention from kidney, thyroid, or cardiac disease may present with puffy lids
- Some medications, including steroids, contribute to periorbital swelling
- Genetics play a strong role in baseline lid and under‑eye appearance

## Addressing Puffiness

Management depends on cause, from lifestyle changes and cold compresses to medical treatment of allergy or systemic disease. Cosmetic concerns may be addressed with skincare or oculoplastic surgery.

- Persistent, asymmetric, or painful puffiness should be examined
- Elevating the head during sleep can reduce morning swelling
- Limiting salt and alcohol intake helps minimise fluid-related puffiness
- Specialist advice is recommended before considering surgical options