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What is the Causes of Under Eye Swelling and Eye Puffiness


Do you want to know about the causes of under-eye swelling?

Under Eye Swelling and Puffiness:

Eye puffiness and Under-eye swelling are common cosmetic concerns. There are many causes of under-eye swelling sometimes causes are not a serious issue, and you don’t need any treatment.

But sometimes, under-eye swelling is a sign of minor or major health issues.  Aging and genetics are common causes of under-eye bags. It runs in your family. Both these factors weaken your eye tissues.

Cause of Under Eye Swelling:

The causes of under-eye swelling are the following:

  • Overeating salt
  • Crying
  • Not enough sleep
  • Allergies
  • Smoking
  • Eye infections
  • Blocked tear duct
  • Injury
  • Graves’ disease
  • Mononucleosis

Overeating Salt:

The use of sodium salt in your diet is not good for your appearance and your body. Extra intake of salt retains water in your body.

The extra water causes puffiness in the face and body, and it is common in the morning. The under-eye skin is very thin, so it is at a high risk of getting puffy.

Extra retention of water in the body causes under-eye swelling. Your body naturally gets rid of the puffiness, but this process takes many hours. It would be best if you cut the sodium intake in your diet.

It helps to soothe under-eye swelling. Avoid packed and processed foods that contain salts in a large quantity. Drink more water to remove extra salt from the body.

Foods that are high in potassium levels help to counter the salts. These foods are the following:

  • Bananas
  • Yogurt
  • Potatoes
  • Dried apricots


It is a common and temporary reason for under-eye puffiness. When you cry, fluids accumulate around your eyes and causing puffiness for a short time.

Not Enough Sleep:

Not getting enough sleep also causes under-eye swelling. It also causes droopy eyelids, red eyes, dark circles under the eyes.

Sleep deprivations weaken your muscles around the eye. It also leads to the elasticity of tissues and loss of collagen.

Due to this reason, fluid collects in the beneath area of the eyes and makes them swell up. Must take daily seven to nine hours sleep. It is best for your health, and you can get rid of under-eye bags.


Allergies can cause fluid accumulation in your sinuses and around your eyes and lead to under-eye swelling.

Allergic reactions cause many other symptoms like redness, itchiness in the eyes and make them watery.

Some common allergens are the following:

  • Pollen
  • Dust
  • Mold
  • Smoke
  • Pollution
  • Dander
  • Animal fur
  • Chemicals
  • Perfume

Allergies are a common cause of puffy eyes because mast cells that are protective cells in your eyes release immune proteins called histamine.

Histamine fight with allergens, and as a result, your eyes become more sensitive and watery. Your eyes will tear up and wash out all the pollens and allergen.

The treatment of eye allergies is also easy. The simple way is that avoid allergens as much as possible. Rinse your eyes and wash your nose with artificial tear eye drops.

Over-the-counter medications also help to reduce under-eye swelling. You can use the following medications:

  • Antihistamines (Claritin, Benadryl)
  • Decongestants (Sudafed, Afrin)
  • Eye drops (Visine, Alaway)

Your doctor may prescribe a steroid or medication according to your type of allergy.


Smoking cigarettes, shisha, or cigars is the main cause of under-eye swelling. It irritates your eyes. The smoke of cigarettes, cigars, and shisha acts as an allergen for your eyes and irritates your eyes.

It causes swelling under the eyes and under-eye puffiness. Quitting smoking of any kind and avoiding secondhand smoke is the best way to prevent eye puffiness and other symptoms.

Eye infections:

It is also a major cause of under-eye swelling. It causes swelling in one or sometimes in both eyes. The infection and swelling happen in the first eye, and gradually it spreads to the other eye.

During eye infections, avoid rubbing and touching your eyes. Certain antibiotics can use for the treatment of eye infections. Types of eye infections that cause under-eye swelling are the following:

  • Pink eye
  • Stye
  • Chalazion
  • Periorbital cellulitis

Pink Eye:

Pink eye is also known as conjunctivitis. It is a type of infection caused by bacteria or viruses, chemicals, and other allergens or irritants. It can happen at any age.


Stye is an infection in an eyelash follicle or a tear gland. It begins as a tiny small bump along your lash line. It causes redness, swelling, and pus in the eye or eyelid.


This type of infection is similar to a stye that is caused due to a blocked oil gland in your eyelid. It looks like a small bump on the eyelid, leading to swelling if it gets infected.

Periorbital Cellulitis:

This eye infection spreads around your eye from the sinuses. It can occur from scratch and injury to the eyelid.

If you have these types of infections, then you must visit your doctor for proper medication.

Blocked Tear Duct:

Tear ducts drain away tears and natural water within the eye. If tear ducts are blocked, then fluid accumulates around the eye and leads to under-eye swelling.

It is a common problem in children and adults too. It is caused due to an infection, makeup particles, or an injury to the eye.

Warm compress and washing out your eye with normal saline helps to clear the blockage. It clears up on its own after a few days. If it becomes serious, then you must visit your doctor.

Some common signs and symptoms of blocked eye tear are the following:

  • Excess tearing or watery eyes
  • Blurred vision
  • Redness
  • Eye infection or inflammation
  • Pain
  • Swelling
  • Crusting
  • Pus or mucus


A small scratch or damage around the eye can happen from a fingernail or a makeup brush. It causes injury around the eye area because the skin around the eye area is very thin and soft.

An injury around the eye area causes puffiness. These injuries bring the blood rushing into the affected area, and this blood accumulation cause swelling and bruising under the eye.

Graves’ disease

It is also called thyroid eye disease when your thyroid gland does not balance thyroid hormone secretions. It occurs when you take too many thyroid medicines.

This disease may cause changes in the tissue around the eyes, which causes bulging eyes and under-eye swelling. The other symptoms are the following:

  • Gritty sensation
  • Pain or pressure
  • Redness
  • Light sensitivity
  • Double vision
  • Blurred vision or vision loss


Sometimes under-eye swelling is caused due to mononucleosis. It is also called kissing disease that is caused by a herpes virus called Epstein-Barr.

It spreads from sneezing and coughing. Symptoms of this mononucleosis disease are the following:

  • Sore throat
  • Fatigue
  • Fever
  • Headache
  • Swollen tonsils
  • Swelling in neck and armpits
  • Skin rash

Eye symptoms caused by this disease are the following:

  • Redness
  • Pain
  • Swelling
  • Seeing “floaters”

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