Pink Eye in Children: Symptoms, Causes & Home Treatment

Medically reviewed | Last reviewed: | Evidence level: 1A
Conjunctivitis, commonly known as pink eye, is one of the most common eye infections in children. It causes red, irritated eyes and often produces a sticky discharge that can make eyelids stick together, especially after sleep. Most cases heal within 5-7 days without antibiotic treatment, though proper eye cleaning is essential. Pink eye spreads easily among children, particularly in daycare and school settings.
📅 Updated:
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Written and reviewed by iMedic Medical Editorial Team | Specialists in pediatrics

📊 Quick facts about pink eye in children

Duration
5-7 days
typical recovery
Most common cause
Viral (80%)
bacterial 15-20%
Contagious
Highly
while discharge present
Treatment
Eye cleaning
antibiotics if bacterial
Seek care if
>5 days
or severe symptoms
ICD-10 code
H10
Conjunctivitis

💡 Key points every parent should know

  • Most pink eye heals on its own: Viral conjunctivitis (the most common type) clears within 5-7 days without antibiotics
  • Eye cleaning is the main treatment: Gently clean eyes with warm water and cotton several times daily
  • It spreads easily: Prevent transmission through frequent handwashing and separate towels
  • Children with heavy discharge should stay home: They can return to daycare/school when symptoms significantly improve
  • Newborns need immediate care: Red, swollen, or discharging eyes in babies under 1 month require urgent medical attention
  • Seek care for severe or prolonged symptoms: Contact a doctor if symptoms don't improve within 5 days or if vision is affected

What Is Pink Eye (Conjunctivitis)?

Pink eye, medically known as conjunctivitis, is an inflammation of the conjunctiva - the thin, transparent membrane that covers the white part of the eye and lines the inside of the eyelids. It is one of the most common eye conditions in children worldwide, affecting millions annually.

The conjunctiva normally produces a small amount of mucus to keep the eye moist and protected. When this membrane becomes inflamed due to infection, allergy, or irritation, it produces more mucus and the blood vessels in the eye become more visible, giving the eye its characteristic pink or red appearance. This inflammation can affect one or both eyes, and it's common for the infection to start in one eye and spread to the other within a day or two.

Conjunctivitis is particularly common in young children because their immune systems are still developing and they frequently touch their eyes and share objects with other children. The condition is usually not serious and rarely causes long-term vision problems, but it can be uncomfortable and highly contagious. Understanding the different types of pink eye and how to manage them at home can help parents provide appropriate care and know when to seek medical attention.

While the term "pink eye" is often used specifically for infectious conjunctivitis, the condition can have various causes including viral infections, bacterial infections, allergies, and irritants. Each type has slightly different characteristics and may require different approaches to treatment. The good news is that most cases resolve on their own within a week or two with simple home care measures.

Types of Pink Eye and Their Causes

Understanding what caused your child's pink eye can help determine the best course of treatment. The three main categories are infectious (viral and bacterial), allergic, and irritant-related conjunctivitis.

Viral conjunctivitis is the most common type, accounting for approximately 80% of all infectious pink eye cases in children. It's typically caused by adenoviruses, the same viruses that cause the common cold, which explains why pink eye often accompanies upper respiratory infections. Viral pink eye produces a watery discharge and usually affects both eyes. There is no specific treatment for viral conjunctivitis - it must run its course, typically resolving within 7-14 days.

Bacterial conjunctivitis accounts for 15-20% of cases and is caused by bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, or Haemophilus influenzae. This type produces a thick, yellow-green discharge that can cause eyelids to stick together, especially in the morning. Bacterial pink eye may benefit from antibiotic eye drops or ointment, which can shorten the duration of symptoms.

Allergic conjunctivitis occurs when the eye reacts to allergens such as pollen, dust mites, pet dander, or mold. It typically causes intense itching along with redness and tearing, and usually affects both eyes simultaneously. Unlike infectious pink eye, allergic conjunctivitis is not contagious and often occurs seasonally or in response to specific environmental triggers.

Why Children Are More Susceptible

Several factors make children more prone to developing pink eye than adults. Young children frequently rub their eyes, often with unwashed hands that may carry viruses or bacteria. In group settings like daycare centers and schools, children share toys, have close physical contact during play, and may not practice consistent hand hygiene. Their developing immune systems are also encountering many pathogens for the first time, making them more vulnerable to infection.

What Are the Symptoms of Pink Eye in Children?

The main symptoms of pink eye include red or pink coloring of the white part of the eye, eye discharge that may be watery or thick and pus-like, eyelids that stick together (especially after sleep), swelling of the eyelids, and a gritty or scratchy sensation in the eye. Symptoms typically appear within 1-3 days of infection.

Recognizing the symptoms of pink eye helps parents determine when to provide home care and when to consult a healthcare provider. The symptoms can vary depending on whether the conjunctivitis is viral, bacterial, or allergic in origin, but there are several common signs to watch for. Most children will experience a combination of these symptoms, though the severity can range from mild to quite uncomfortable.

The hallmark symptom is the pink or red appearance of the eye, caused by inflammation and dilation of the small blood vessels in the conjunctiva. This redness is what gives the condition its common name. Along with the color change, children typically experience some form of discharge from the affected eye. The nature of this discharge can provide clues about the underlying cause - viral infections tend to produce a thin, watery discharge, while bacterial infections often cause a thicker, yellowish or greenish discharge that can form a crust on the eyelids.

Many children complain of discomfort that they describe as a "scratchy" or "gritty" feeling, as if there's something in their eye. This sensation is caused by the inflamed tissue rubbing against the eyelid during blinking. Some children may also experience increased sensitivity to light, though this is usually mild in uncomplicated cases. Swelling of the eyelids is common, and in some cases, the lymph nodes in front of the ears may become tender and swollen, particularly with viral conjunctivitis.

Symptoms by Type of Pink Eye

While all types of conjunctivitis share some common symptoms, certain characteristics can help distinguish between them:

  • Viral pink eye: Typically begins in one eye and spreads to the other within 24-48 hours. Produces watery discharge, often accompanied by cold symptoms like runny nose and sore throat. May cause swollen lymph nodes near the ear.
  • Bacterial pink eye: Often produces thick, yellow-green discharge that can cause eyelids to stick together, particularly after sleep. May affect one or both eyes.
  • Allergic pink eye: Intense itching is the predominant symptom. Usually affects both eyes equally and simultaneously. Often accompanied by other allergy symptoms like sneezing and runny nose.
Comparing symptoms of different types of pink eye
Symptom Viral Bacterial Allergic
Discharge Watery, clear Thick, yellow-green Watery, stringy
Eyes affected Often starts in one, spreads to both One or both Both eyes simultaneously
Itching Mild Mild Intense

Special Considerations for Newborns

Pink eye in newborn babies (under 4 weeks old) requires special attention. While some discharge in newborns is normal due to their narrow tear ducts, red or swollen eyes, excessive discharge, or pus-like secretions can indicate a more serious infection that requires immediate medical evaluation. Newborns can contract eye infections during birth from bacteria like chlamydia or gonorrhea, which require prompt antibiotic treatment to prevent complications.

When Should You See a Doctor for Pink Eye?

Seek medical care if your child has: severe eye pain, changes in vision, light sensitivity, symptoms that don't improve within 5 days, a fever along with eye symptoms, or if they are a newborn with any eye discharge or redness. Call emergency services if your child has severe pain, significant vision loss, or injury to the eye.

Most cases of pink eye in children can be managed at home with proper cleaning and monitoring. However, certain situations require professional medical evaluation to rule out more serious conditions or to provide appropriate treatment. Understanding these warning signs helps parents make informed decisions about when home care is sufficient and when to seek professional help.

The general rule is that pink eye that doesn't improve within five days, or that gets worse despite home care, should be evaluated by a healthcare provider. This timeframe allows for typical viral conjunctivitis to begin resolving on its own while ensuring that cases requiring treatment don't go unaddressed for too long. During this waiting period, parents should continue proper eye hygiene and monitor for any changes in symptoms.

Vision changes are always a reason for prompt medical evaluation. While pink eye itself rarely affects vision, complications or conditions that mimic pink eye might. If your child complains of blurry vision, sees halos around lights, or if you notice any change in their ability to see, seek medical attention promptly. Similarly, severe eye pain that isn't relieved by gentle cleaning or that wakes your child from sleep warrants evaluation.

Light sensitivity (photophobia), where your child squints or complains about normal lighting, can be a sign of deeper eye involvement and should be assessed by a doctor. While mild discomfort in bright light is common with pink eye, significant sensitivity that affects daily activities is not typical of simple conjunctivitis.

🚨 Seek immediate medical care if:
  • Your child has severe eye pain
  • There is significant vision change or loss
  • Your newborn (under 4 weeks) has red, swollen, or discharging eyes
  • There is injury to the eye along with redness
  • Your child develops a rash around the eyes (could indicate herpes infection)
  • The eye becomes increasingly red and painful rather than improving

If you're unsure whether your child needs medical care, contact your healthcare provider or local health line for guidance.

Situations Requiring Medical Evaluation

Beyond emergency situations, several circumstances warrant scheduling a doctor's appointment:

  • Symptoms persisting beyond 5 days without improvement
  • Fever accompanying the eye infection, especially in young children
  • Only one eye affected with severe symptoms, which may indicate a different condition
  • Eyelid swelling that extends beyond the eyelid or involves the cheek area
  • Recurrent pink eye that keeps coming back
  • Known exposure to someone with bacterial conjunctivitis when symptoms are severe

How Can You Treat Pink Eye at Home?

Home treatment for pink eye focuses on keeping the eyes clean by gently wiping away discharge with warm water and cotton, using a fresh cotton ball for each wipe. Warm compresses can help loosen stuck eyelids. Most cases resolve within 5-7 days with proper cleaning. Do not use the same cloth or cotton for both eyes to prevent spreading infection.

The cornerstone of pink eye treatment at home is good hygiene and regular cleaning of the affected eye(s). Since most cases of conjunctivitis in children are viral and will resolve on their own, the goal of home treatment is to keep your child comfortable, prevent complications from discharge buildup, and minimize the spread of infection to others. Proper cleaning technique is simple but important to master.

Eye discharge can accumulate and dry on the eyelids and eyelashes, causing discomfort and potentially leading to eyelids sticking together. Regular cleaning prevents this buildup and removes infectious material from the eye area. The cleaning process should be gentle and thorough, using fresh materials for each wipe to avoid reintroducing bacteria or virus particles back into the eye.

When cleaning your child's eyes, always wash your hands thoroughly with soap and water before and after. Use a soft cotton ball or clean cloth dampened with lukewarm (not hot) water. Gently wipe from the outer corner of the eye toward the inner corner, moving toward the nose. This direction prevents pushing debris and discharge further into the eye. Use a fresh cotton ball for each wiping motion and discard it immediately after use.

Step-by-Step Eye Cleaning Guide

  1. Wash your hands thoroughly with soap and water for at least 20 seconds
  2. Prepare your materials: Clean cotton balls or soft cloth, lukewarm water in a clean bowl
  3. Dampen the cotton with lukewarm water, squeezing out excess
  4. Gently wipe from the outer corner of the eye toward the inner corner (toward the nose)
  5. Discard the cotton ball immediately and use a fresh one for each subsequent wipe
  6. If eyelids are stuck, hold a warm, damp compress on the closed eye for 1-2 minutes to soften the discharge before wiping
  7. Clean each eye separately with different cotton balls to prevent cross-contamination
  8. Wash your hands again after finishing
Important cleaning tips:

Clean your child's eyes several times throughout the day, and whenever you notice discharge accumulating. First thing in the morning is often when cleaning is most needed, as discharge can build up overnight. Never use the same cotton ball or cloth for both eyes, even if only one appears infected - this can spread the infection.

When Eyelids Are Stuck Together

Many children with pink eye wake up with their eyelids "glued" shut by dried discharge. This can be alarming for both parent and child, but it's easily managed. Never try to force the eyelids open, as this can be painful and may damage delicate tissues. Instead, soak a clean cloth in warm water and hold it gently against the closed eyelids for one to two minutes. This softens the dried discharge, allowing you to gently wipe it away and the eyelids to open naturally.

Comfort Measures

Beyond cleaning, there are several ways to help your child feel more comfortable while pink eye runs its course. Cool or warm compresses applied to closed eyelids can soothe irritation - use whichever temperature your child finds more comforting. Ensure the compress is clean and use it for one eye at a time to prevent spreading infection.

Keep your child from rubbing their eyes, which can worsen irritation and spread the infection. Distracting younger children with activities that keep their hands busy can help. For older children, explain why it's important not to rub and consider using a cool compress when they feel the urge to rub.

How Can You Prevent Pink Eye from Spreading?

Prevent pink eye spread through frequent handwashing (especially after touching eyes), using separate towels for the infected child, changing pillowcases daily, avoiding sharing personal items like washcloths and eye makeup, and teaching children not to touch their eyes. Good hygiene can significantly reduce transmission to other family members.

Pink eye caused by viruses and bacteria spreads very easily, particularly among children who have close contact with each other. The infection transmits through direct contact with eye secretions, contaminated hands, and shared objects like towels and toys. Because the same viruses that cause pink eye can survive on surfaces for hours, preventing spread requires attention to both personal hygiene and environmental cleaning.

Handwashing is the single most effective measure for preventing the spread of pink eye. The virus or bacteria typically spreads when an infected person touches their eye, gets infectious material on their hands, and then touches another person or a shared surface. Teaching children to wash their hands properly and frequently - especially after touching their face or eyes - significantly reduces transmission risk.

Within the household, implementing simple hygiene measures can protect other family members from becoming infected. Giving the affected child their own towel and washcloth, and keeping these separate from other family members' items, prevents direct transmission through shared linens. Similarly, changing the child's pillowcase daily removes accumulated discharge that could reinfect the healing eye or spread to the other eye.

Household Prevention Measures

  • Assign separate towels: Give your child their own towel and washcloth. Wash these daily in hot water
  • Change pillowcases daily: Use clean pillowcases each night during the infection
  • Avoid sharing personal items: This includes washcloths, eye drops (if prescribed), eye makeup, and contact lenses
  • Clean frequently touched surfaces: Wipe down doorknobs, light switches, and toys regularly
  • Wash hands after contact: Anyone who helps clean the child's eyes should wash hands immediately afterward
  • Don't share beds: Have the infected child sleep in their own bed during the acute infection

School and Daycare Considerations

The question of when children with pink eye can return to school or daycare is common among parents. Different institutions may have different policies, but general guidelines suggest that children with significant discharge and symptoms should stay home. This protects other children and gives your child a chance to rest and recover.

Children with heavy discharge that requires frequent cleaning throughout the day should remain at home. They can typically return once the heavy discharge has resolved and their eyes are no longer severely red. For bacterial conjunctivitis being treated with antibiotics, many schools allow return after 24-48 hours of treatment, provided the child feels well enough to participate in activities.

Children with mild symptoms - slight redness and minimal discharge only in the morning - may be able to attend school, provided they can avoid touching their eyes and practice good hand hygiene. Children with allergic conjunctivitis, which is not contagious, do not need to stay home unless their symptoms are too uncomfortable for participation.

What Medical Treatment Is Available for Pink Eye?

Most pink eye cases require no medication and heal with proper cleaning. Bacterial conjunctivitis may be treated with antibiotic eye drops or ointment, which can shorten symptom duration. Viral conjunctivitis has no specific treatment - it must run its course. Allergic conjunctivitis may be treated with antihistamine eye drops. Never use antibiotic drops without a prescription.

While most cases of pink eye in children resolve without medical treatment, understanding when and what types of treatment might be prescribed helps parents make informed decisions and use any prescribed medications correctly. The treatment approach depends primarily on the underlying cause of the conjunctivitis, which is why healthcare providers sometimes examine children before recommending treatment.

For viral conjunctivitis, which is the most common type, there is no specific antiviral treatment available. The infection must run its natural course, typically lasting 7-14 days. During this time, home care measures like gentle eye cleaning and comfort measures are the mainstay of management. Antibiotics are not effective against viral infections and should not be used, as they won't speed recovery and may contribute to antibiotic resistance.

Bacterial conjunctivitis may benefit from antibiotic treatment, though many cases would eventually resolve without it. Antibiotic eye drops or ointment can shorten the duration of symptoms and reduce the contagious period, which is particularly beneficial for getting children back to school sooner. Common antibiotics prescribed include erythromycin ointment, polymyxin-trimethoprim drops, or fluoroquinolone drops for more resistant infections.

Antibiotic Eye Drops and Ointment

If your healthcare provider prescribes antibiotic eye drops or ointment, proper administration is important for effectiveness. For eye drops, have your child lie down or tilt their head back, gently pull down the lower eyelid to create a small pocket, and place the prescribed number of drops into this pocket. Have your child close their eye gently (not squeeze) and wait a moment before opening.

Eye ointment can be slightly trickier to apply but is often preferred for younger children because it stays in contact with the eye longer. Apply a thin ribbon of ointment along the inside of the lower eyelid, then have your child close their eye and move it around to distribute the medication. Ointment may cause temporary blurring of vision, so it's often applied at bedtime.

Important medication considerations:

Complete the full course of any prescribed antibiotics, even if symptoms improve before the medication is finished. This helps prevent the infection from returning and reduces the risk of antibiotic resistance. After two days of antibiotic treatment, bacterial pink eye is generally no longer contagious, though symptoms may take a few more days to fully resolve.

Treatment for Allergic Conjunctivitis

Pink eye caused by allergies is managed differently from infectious types. The goal is to reduce the allergic response and relieve symptoms. Over-the-counter antihistamine eye drops can provide relief from itching and redness. Cool compresses are particularly soothing for allergic symptoms. Identifying and avoiding the allergen, when possible, is the most effective long-term strategy.

For children with chronic or severe allergic conjunctivitis, healthcare providers may prescribe stronger antihistamine or anti-inflammatory eye drops. In some cases, addressing underlying allergies with oral antihistamines or other allergy treatments may be recommended.

What Complications Can Pink Eye Cause?

Pink eye rarely causes serious complications when properly managed. However, untreated severe bacterial infections can potentially spread to deeper eye structures. Newborn conjunctivitis requires prompt treatment to prevent vision-threatening complications. Herpes simplex eye infections need immediate medical attention as they can cause corneal damage.

While pink eye is typically a mild, self-limiting condition, parents naturally worry about potential complications. The good news is that with proper home care and appropriate medical attention when needed, serious complications are rare. Understanding what complications are possible helps parents know what to watch for and when to seek additional medical care.

The most common "complication" is simply prolonged symptoms or spread of the infection to the other eye or to other family members. These aren't true medical complications but can be frustrating. Following proper hygiene measures significantly reduces these occurrences. Most children recover completely within one to two weeks without any lasting effects.

In rare cases, particularly when bacterial conjunctivitis is severe or left untreated, the infection can spread to deeper structures of the eye. This can lead to keratitis (inflammation of the cornea), which may cause pain, light sensitivity, and potentially affect vision. Signs that the infection may be spreading include increasing pain, worsening redness despite treatment, and any changes in vision. These symptoms require prompt medical evaluation.

Special Concerns in Newborns

Neonatal conjunctivitis (ophthalmia neonatorum) deserves special mention because it can have more serious consequences than pink eye in older children. Newborns can acquire eye infections during passage through the birth canal if the mother has certain bacterial infections. Chlamydia and gonorrhea are particularly concerning because they can cause significant damage to the eye if not treated promptly.

This is why any eye redness, swelling, or discharge in a newborn under four weeks of age should be evaluated by a healthcare provider promptly. Treatment with appropriate antibiotics can prevent complications and ensure healthy eye development.

Frequently Asked Questions About Pink Eye in Children

Medical References and Sources

This article is based on current medical research and international guidelines. All claims are supported by scientific evidence from peer-reviewed sources.

  1. American Academy of Ophthalmology (2024). "Conjunctivitis Preferred Practice Pattern." AAO Clinical Guidelines Comprehensive clinical guidelines for conjunctivitis diagnosis and management.
  2. American Academy of Pediatrics (2024). "Red Book: Report of the Committee on Infectious Diseases." AAP Red Book Authoritative pediatric infectious disease guidelines.
  3. Cochrane Database of Systematic Reviews (2022). "Antibiotics versus placebo for acute bacterial conjunctivitis." Cochrane Library Systematic review of antibiotic efficacy in bacterial conjunctivitis. Evidence level: 1A
  4. World Health Organization (2023). "WHO Guidelines on Hand Hygiene in Health Care." WHO Publications International guidelines on infection prevention through hand hygiene.
  5. Azari AA, Barney NP. (2013). "Conjunctivitis: A Systematic Review of Diagnosis and Treatment." JAMA. 310(16):1721-1729. Comprehensive systematic review of conjunctivitis management.
  6. Centers for Disease Control and Prevention (2024). "Conjunctivitis (Pink Eye)." CDC Information Public health guidance on conjunctivitis prevention and management.

Evidence grading: This article uses the GRADE framework (Grading of Recommendations Assessment, Development and Evaluation) for evidence-based medicine. Evidence level 1A represents the highest quality of evidence, based on systematic reviews of randomized controlled trials.

iMedic Medical Editorial Team

Specialists in pediatrics and ophthalmology

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