Baby Pink Eye (Conjunctivitis)
Medically reviewed by Dr. Michael Okonkwo, MD, FAAP · Board-Certified Neonatologist
Content reviewed against published AAP, CDC, NIH guidelines
Last reviewed:
If your baby has been diagnosed with or you suspect baby pink eye (conjunctivitis), here is what the evidence says.
The short answer
Pink eye (conjunctivitis) is an inflammation of the clear membrane covering the white of the eye and the inner eyelids. In babies it can be caused by viruses, bacteria, allergens, or irritants. Bacterial pink eye causes thick yellow-green discharge and is treated with antibiotic eye drops. Viral pink eye causes watery discharge and resolves on its own. In newborns under 28 days, pink eye can be more serious and always requires medical evaluation.
Key takeaways
- Pink eye (conjunctivitis) is an inflammation of the clear membrane covering the white of the eye and the inner eyelids. In babies it can be caused by viruses, bacteria, allergens, or irritants. Bacterial pink eye causes thick yellow-green discharge and is treated with antibiotic eye drops. Viral pink eye causes watery discharge and resolves on its own. In newborns under 28 days, pink eye can be more serious and always requires medical evaluation.
- Usually normal when: Mild clear eye discharge during a cold that resolves as the cold improves
- Call your doctor if: Your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation
- Varies by age — see the age-by-age breakdown below
“Fever itself is not an illness — rather, it is a sign or symptom that the body is fighting an infection. Fever stimulates certain defenses, such as the white blood cells, which attack and destroy invading bacteria.”
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What Parents Should Know
According to AAP, CDC, NIH guidelines, pink eye (conjunctivitis) is an inflammation of the clear membrane covering the white of the eye and the inner eyelids. In babies it can be caused by viruses, bacteria, allergens, or irritants. Bacterial pink eye causes thick yellow-green discharge and is treated with antibiotic eye drops. Viral pink eye causes watery discharge and resolves on its own. In newborns under 28 days, pink eye can be more serious and always requires medical evaluation. At 0-28 days, conjunctivitis in the first 28 days of life (ophthalmia neonatorum) is a medical concern that requires prompt evaluation. It can be caused by the antibiotic ointment given at birth (chemical conjunctivitis, appears in the first 24 hours), blocked tear ducts, or infections acquired during birth including chlamydia and gonorrhea. Gonococcal conjunctivitis is a medical emergency that can rapidly damage the eye. Any eye discharge in a newborn should be reported to your pediatrician promptly. It is generally considered normal when mild clear eye discharge during a cold that resolves as the cold improves. However, you should contact your pediatrician promptly if your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation.
Normal vs. Concerning
When to Seek Immediate Care
- Your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation
- Your baby's eye is very swollen, has severe redness, or they cannot open the eye
- There is a blister on or near the eyelid, the skin around the eye is red and swollen (periorbital cellulitis), or your baby has fever along with eye symptoms
By Age
What to expect by age
0-28 days
Conjunctivitis in the first 28 days of life (ophthalmia neonatorum) is a medical concern that requires prompt evaluation. It can be caused by the antibiotic ointment given at birth (chemical conjunctivitis, appears in the first 24 hours), blocked tear ducts, or infections acquired during birth including chlamydia and gonorrhea. Gonococcal conjunctivitis is a medical emergency that can rapidly damage the eye. Any eye discharge in a newborn should be reported to your pediatrician promptly.
1-6 months
The most common cause of watery or goopy eyes at this age is a blocked tear duct, not pink eye. Blocked tear ducts cause persistent watering and mild crusting, usually in one eye, without redness of the white of the eye. True pink eye causes redness of the whites, swollen eyelids, and discharge. If your baby has a blocked tear duct, gentle massage of the tear duct area and keeping the eye clean with warm water is usually sufficient. Most blocked tear ducts resolve by 12 months.
6-12 months
Pink eye in older babies is commonly viral (associated with a cold) or bacterial. Viral pink eye causes clear, watery discharge and often affects both eyes. Bacterial pink eye causes thick, yellow-green discharge that crusts the eyelids shut, often starting in one eye and spreading to the other. Bacterial pink eye usually responds quickly to antibiotic eye drops or ointment. Clean discharge from the eyes with a warm, wet cloth before applying drops.
12-36 months
Toddlers in daycare frequently get pink eye because it is highly contagious. They touch everything and then rub their eyes. Prevention includes good handwashing. Most daycares require 24 hours of antibiotic treatment before the child can return. Allergic conjunctivitis can also appear in toddlers and causes itchy, watery eyes without thick discharge, often with associated sneezing. If pink eye keeps recurring, talk to your pediatrician about possible allergies or persistent bacteria.
What to Tell Your Pediatrician
- Describe when you first noticed baby pink eye (conjunctivitis) and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby has red eyes with thick yellow-green discharge suggesting bacterial pink eye.
- Mention if eye symptoms are not improving after 2-3 days of prescribed antibiotic drops.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Mild clear eye discharge during a cold that resolves as the cold improves
- A blocked tear duct causing watering and mild crusting in one eye without redness
- Brief eye redness after swimming, rubbing, or exposure to wind that clears quickly
- Your baby has red eyes with thick yellow-green discharge suggesting bacterial pink eye
- Eye symptoms are not improving after 2-3 days of prescribed antibiotic drops
- Your baby has recurring episodes of pink eye and you suspect allergies
- Your baby has a blocked tear duct that has not resolved by 12 months
- Your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation
- Your baby's eye is very swollen, has severe redness, or they cannot open the eye
- There is a blister on or near the eyelid, the skin around the eye is red and swollen (periorbital cellulitis), or your baby has fever along with eye symptoms
What You Can Do at Home
- Keep track of when you notice baby pink eye (conjunctivitis) — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that mild clear eye discharge during a cold that resolves as the cold improves — this is generally within the range of normal.
- At 0-28 days, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Follow any care instructions from your pediatrician. Keep a written log of symptoms to bring to appointments.
- While monitoring at home, seek immediate care if your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation.
Related Conditions
Related Resources
Frequently asked questions
Is baby pink eye (conjunctivitis) normal?
When should I call the doctor about baby pink eye (conjunctivitis)?
When is baby pink eye (conjunctivitis) normal?
What causes baby pink eye (conjunctivitis)?
What should I mention to my pediatrician about baby pink eye (conjunctivitis)?
Is baby pink eye (conjunctivitis) normal at 0-28 days?
Is baby pink eye (conjunctivitis) normal at 1-6 months?
Should I go to the ER for baby pink eye (conjunctivitis)?
Does baby pink eye (conjunctivitis) go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Baby Pink Eye (Conjunctivitis).
Things to mention
- Describe when you first noticed baby pink eye (conjunctivitis) and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby has red eyes with thick yellow-green discharge suggesting bacterial pink eye.
- Mention if eye symptoms are not improving after 2-3 days of prescribed antibiotic drops.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Your baby has red eyes with thick yellow-green discharge suggesting bacterial pink eye
- Eye symptoms are not improving after 2-3 days of prescribed antibiotic drops
- Your baby has recurring episodes of pink eye and you suspect allergies
Urgent signs to report immediately
- Your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation
- Your baby's eye is very swollen, has severe redness, or they cannot open the eye
- There is a blister on or near the eyelid, the skin around the eye is red and swollen (periorbital cellulitis), or your baby has fever along with eye symptoms
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members
Related Resources
Bottom line
Most cases of baby pink eye (conjunctivitis) are normal. Talk to your pediatrician if your newborn (under 28 days) has any eye discharge, swelling, or redness - this needs same-day evaluation.
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
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How to Advocate for Your Child's Needs
You know your child better than anyone, and your observations matter. If you feel something is not right with your child's development or health, you have every right to ask questions, request evaluations, and seek second opinions. Advocating for your child is not being difficult - it is being a good parent.