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October 15, 2026
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Last Updated: 15/10/2026
Under eye swelling may appear after waking up or following a lack of sleep. In many cases, it is temporary and related to fluid collecting in the tissues beneath the eyes. The most common under eye swelling causes include fluid retention, lack of sleep, excessive salt intake, seasonal allergies, and natural changes associated with aging.
In some cases, swelling under the eye may be related to a condition that requires medical evaluation, such as blepharitis, conjunctivitis, or a blocked tear duct. Swelling around the eyes may also sometimes occur with certain thyroid disorders or medical conditions that cause fluid retention in the body.
The cause of under eye puffiness can vary from one person to another depending on when it appears, whether it affects one or both eyes, and whether other symptoms are present. Mild swelling that improves during the day may be related to temporary factors, while persistent swelling accompanied by pain, significant redness, or blurred vision should be evaluated by an eye doctor.
If swelling beneath your eyes keeps returning or you are unsure what is causing it, you can contact the Magrabi Health team via WhatsApp to ask about ophthalmology services and the appropriate next step before your visit.
Under eye swelling is puffiness or fullness that develops in the area beneath the lower eyelid. It may result from fluid collecting in the tissues or from natural changes in the skin and fat surrounding the eyes. In many cases, the swelling is temporary, particularly after waking up or following inadequate sleep, and gradually improves during the day.
Under eye puffiness can appear in several forms, including:
Swelling beneath the eyes is not a disease by itself. Instead, it is a sign that can develop for several different reasons. Understanding what causes swelling under the eyes depends on factors such as when the swelling began, how long it lasts, whether it affects one or both eyes, and whether symptoms such as pain, redness, itching, or blurred vision are present.
Magrabi Health doctors explain that many cases of mild puffiness are associated with temporary factors. However, persistent or recurring swelling, particularly when accompanied by other noticeable symptoms, should be medically evaluated to determine the cause.
The most common under eye swelling causes include fluid retention, lack of sleep, excessive salt intake, allergies, and aging. In some cases, swelling may instead be related to blepharitis, conjunctivitis, or a blocked tear duct, while less common causes may include certain thyroid disorders or kidney diseases.
The causes of puffy eyes and causes of under eye puffiness vary according to when the swelling appears and what other symptoms are present. The problem may result from a simple everyday factor, an eye or eyelid condition, or a medical condition that requires further evaluation.
Identifying under eye swelling causes and treatment depends on the appearance of the swelling, when it begins, how long it lasts, whether it affects one or both eyes, and whether symptoms such as redness, itching, pain, or changes in vision are present.
Fluid collecting in the delicate tissues beneath the eyes is one of the common reasons for puffiness, especially after waking up. During sleep, a small amount of fluid may collect around the eyes, making puffy eyes in the morning more noticeable before the swelling gradually decreases during the day.
Fluid retention may also become more noticeable after eating foods that contain high amounts of salt. Some people may therefore notice greater puffiness after waking following a salty meal the previous day.
Insufficient sleep can make puffy eyes more noticeable, particularly when combined with fluid retention and tiredness. Some people may notice that the area beneath their eyes looks less swollen after returning to a more regular sleep schedule.
Getting enough sleep is therefore an important part of general eye care, although improving sleep alone will not treat puffiness caused by another condition.
Eating large amounts of salt can contribute to fluid retention in the body. This may become particularly noticeable in the delicate area beneath the eyes.
In some people, this appears as fluid collecting beneath the eyes, especially in the morning. Puffiness after a salty meal does not necessarily indicate a medical problem, but it may help explain temporary swelling when no other symptoms are present.
As people age, the tissues and muscles supporting the eyelids may gradually weaken. Some of the fat that normally supports the eye area may also move toward the lower eyelid, making bags under eyes or puffiness more noticeable.
This type of puffiness usually differs from sudden swelling because it tends to develop gradually and become more persistent over time.
Allergies may cause puffiness beneath the eyes, particularly when the swelling is accompanied by itching, eye redness, and excessive tearing. Possible triggers include pollen, dust, animal dander, and other irritants.
The presence of itching and watery eyes may help distinguish allergy-related puffiness from simple swelling caused by lack of sleep or fluid retention.
Blepharitis is one condition that can cause swelling of the lower or upper eyelid. Puffiness may occur with redness along the eyelid margins, a burning or irritated sensation, or small flakes around the base of the eyelashes.
These symptoms may be more noticeable after waking. If swelling repeatedly occurs with irritation or crusting around the eyelashes, an eye examination may help determine the cause.
Conjunctivitis can cause eye redness, itching or burning, excessive tearing, and discharge. These symptoms may also occur with swelling around the eye or swollen eyelids.
Conjunctivitis has different causes. It may be associated with allergies, infection, or exposure to irritating substances, which is why treatment depends on the underlying cause rather than the swelling alone.
The tear duct helps drain tears away from the eye. When this drainage pathway becomes blocked, tears may collect and cause swelling, redness, or irritation around the eye.
A blocked tear duct may also cause excessive tearing, discharge, or crusting around the eyelid. In this situation, swelling is related to impaired tear drainage rather than simply fluid retention during sleep.
Some cases of swelling beneath the eye may be associated with infection or inflammation affecting the eyelid, skin, or surrounding tissues. In these cases, the swelling may be more noticeable on one side and can occur with redness, pain, or warmth in the area.
Medical assessment should be sought sooner if the swelling occurs with significant pain, severe or worsening redness, fever, or blurred vision.
Some thyroid disorders can affect the tissues surrounding the eyes. These include thyroid eye disease, which may occur in some people with Graves’ disease.
Symptoms may include swelling around the eyes, redness, bulging of the eyes, discomfort when moving the eyes, or double vision in some patients. These conditions cannot be diagnosed based on eye swelling alone.
Certain kidney diseases can cause fluid retention in the body, and some of this swelling may become visible around the eyes. Puffiness may be more noticeable in the morning or may occur together with swelling elsewhere in the body.
However, under eye swelling by itself does not mean that a person has kidney disease. The need for further testing depends on other symptoms and the patient's medical history.
There is no single cause of under eye swelling that applies to every case. Puffiness that appears in the morning and improves during the day is different from sudden swelling affecting one eye with pain or redness. Paying attention to when the swelling occurs and the symptoms that accompany it can help determine whether it is likely related to a temporary factor or requires medical evaluation.
Sometimes the only symptom is mild puffiness. However, accompanying symptoms can help the doctor understand the possible cause.
These may include:
Itching, tearing, and redness may be associated with allergies, while discharge or crusting may occur with conjunctivitis or blepharitis. Pain or changes in vision require closer attention and medical evaluation.
If lower eyelid swelling persists or is accompanied by other eye symptoms, you can learn more about Magrabi Health Routine Eye Examinations service and the available options for medical evaluation.
Because under eye swelling causes vary from one person to another, diagnosis usually begins by determining when the swelling started and examining the eyes, eyelids, and surrounding area. The doctor then decides whether any additional tests are needed.
The purpose of the examination is to distinguish temporary puffiness caused by simple factors from swelling related to allergies, inflammation, or another medical condition.
The assessment may include:
The doctor then examines the eyes, eyelids, and surrounding skin. When needed, the examination may include checking visual acuity, eye movements, pupil responses, and the surface of the eye.
If a blocked tear duct is suspected, tests may be used to assess tear drainage. If signs suggest deeper inflammation around the eye or a condition involving the thyroid or kidneys, the doctor may recommend additional investigations or referral to the appropriate medical specialty.
Not everyone with puffiness beneath the eyes needs blood tests or imaging. Magrabi doctors explain that the choice of tests depends on the appearance of the swelling, how long it has been present, associated symptoms, and the findings of the clinical examination.
Because under eye swelling causes vary, under eye swelling treatment depends on what is causing the puffiness. Swelling related to lack of sleep or fluid retention is not managed in the same way as allergy-related swelling, blepharitis, or tear duct problems.
Cold compresses applied for a few minutes may help reduce mild puffiness. Reducing very salty foods, getting enough sleep, and slightly elevating the head while sleeping may also help some people.
Treatment for eye allergies begins, where possible, with avoiding known triggers and not rubbing the eyes. In some cases, a doctor may recommend allergy eye drops or other medicines depending on the symptoms and the patient's health.
A doctor may recommend cleaning the eyelids and maintaining good eyelid hygiene. Warm compresses may also be helpful for some types of blepharitis.
The need for medicated eye drops or ointments varies depending on the cause and severity of the inflammation.
Treatment depends on the underlying cause. Allergic conjunctivitis is managed differently from viral or bacterial conjunctivitis.
Antibiotic drops or corticosteroid eye drops should therefore not be used without medical guidance simply because redness or swelling is present.
If the swelling is related to blocked tear drainage, an eye doctor determines the appropriate treatment after examining the tear duct. Some cases may require procedures that improve tear drainage rather than relying on eye drops alone.
Treatment is directed at the underlying condition in coordination with the eye doctor and the appropriate medical specialty. Treating the swelling alone is not sufficient if it is part of a broader medical condition.
If bags under eyes are persistent and related to weakened tissues or changes in fat distribution, medical or cosmetic options can be discussed with a doctor who specializes in the eyelids and surrounding eye area after other medical causes have been excluded.
Not every case can be prevented, but some daily habits may help reduce recurring puffiness:
The Saudi Ministry of Health advises seeking medical care when unusual eye symptoms such as redness, itching, discharge, or pain are present and recommends avoiding the unsupervised use of medicated eye drops.
Magrabi doctors recommend seeing a doctor if the swelling persists, repeatedly returns, becomes more severe, or begins to affect eye comfort or daily activities.
Medical assessment should be sought more promptly if you notice:
These signs do not necessarily mean that a serious condition is present, but they can help identify situations that require faster medical evaluation.
If the swelling does not go away or you need to understand what is causing it, you can book an appointment at Magrabi Health by phone call or through the online booking form to choose the most suitable appointment and branch.
There are many under eye swelling causes, and mild puffiness is often related to simple factors such as fluid retention, lack of sleep, excessive salt intake, allergies, or aging. However, swelling beneath the eye can sometimes be associated with inflammation, a blocked tear duct, or another medical condition. Magrabi doctors explain that persistent swelling or puffiness accompanied by pain, redness, or changes in vision should be evaluated to identify the cause and determine the appropriate treatment.
Edited and medically reviewed by Dr. Mohab Gamea
Medical Disclaimer: The information in this article is for health education purposes only and does not replace a visit to a doctor or consultation with a qualified specialist. Magrabi doctors recommend seeking medical evaluation for an accurate diagnosis and appropriate treatment plan.
The Magrabi Health Editorial Team creates educational medical content designed to help readers better understand symptoms, diagnostic tests, treatment options, and preventive healthcare measures across a wide range of medical topics, drawing on trusted sources and specialized clinical expertise. Since 1955, Magrabi Health has built more than 70 years of experience in specialized healthcare through a regional network of over 40 facilities across 5 countries. Its commitment to quality and patient safety is reflected in numerous accreditations and recognitions, including the designation of several eye centers as Centers of Excellence in Ophthalmology by the Surgical Review Corporation (SRC). This content is intended for educational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment.
Possible causes of sudden swelling under eye areas include allergies, blepharitis, conjunctivitis, blocked tear ducts, or irritation of the skin around the eye. If sudden swelling is accompanied by severe pain, increasing redness, fever, or changes in vision, an eye doctor should evaluate the condition.
Puffy eyes in the morning are often related to fluid collecting around the eyes while lying down. Puffiness may become more noticeable after eating salty foods or after inadequate sleep. If the swelling remains throughout the day or repeatedly returns, the underlying cause may need to be evaluated.
Cold compresses may help with how to reduce under eye swelling when the puffiness is mild and temporary. Avoiding eye rubbing, reducing salt intake, and getting adequate sleep may also help. Swelling caused by inflammation, allergies, or tear duct problems may not improve quickly without addressing the underlying cause.
Swelling under one eye may be associated with local inflammation, an eyelid problem, a blocked tear duct, irritation, or an injury. Medical evaluation is recommended if one-sided swelling persists or occurs with pain, redness, or changes in vision.
There are no eye drops for swollen eyes that are appropriate for every cause. Allergy drops may be used when swelling is related to an allergic reaction, while infection or blepharitis may require a different approach. Antibiotic or corticosteroid eye drops should not be used without medical advice.
Prompt medical evaluation is recommended if swelling occurs with severe pain, reduced or blurred vision, pain when moving the eye, fever, or severe and worsening redness. Urgent medical help is also needed if sudden swelling occurs with difficulty breathing.
