Pink eye in babies almost always needs to be seen by a pediatrician, especially in newborns under 30 days old. Unlike older children and adults, babies can’t safely be managed with a “wait and see” approach because the infection can worsen quickly and the causes are harder to distinguish by appearance alone. Treatment depends on whether the pink eye is bacterial, viral, or caused by an irritant, and your baby’s doctor will determine which type it is and prescribe the right course of action.
Why Pink Eye in Babies Is Different
In older kids and adults, pink eye is usually a minor annoyance that clears on its own. In babies, particularly newborns, it’s taken more seriously for a few reasons. A baby’s immune system is still developing, so infections can spread faster and cause more damage. The cause of newborn pink eye is also difficult to determine because the symptoms look very similar regardless of the trigger, according to the CDC. That means even an experienced parent can’t reliably tell bacterial from viral pink eye just by looking at the eye.
Newborns who develop pink eye within the first 28 days of life may have a condition called ophthalmia neonatorum, which can be caused by bacteria picked up during delivery. This is one reason most hospitals apply a thin strip of antibiotic ointment to a newborn’s eyes shortly after birth. The U.S. Preventive Services Task Force recommends this prophylaxis for all newborns within 24 hours of delivery, and the CDC echoed that recommendation in 2021. That ointment itself can sometimes cause mild redness and discharge that resolves within 48 hours, which is not the same as an infection.
Types of Pink Eye in Babies
Bacterial
Bacterial pink eye tends to produce thick, yellow or green discharge that may crust the eyelids shut after sleep. It can affect one or both eyes. This is the type most likely to need prescription antibiotic eye drops or ointment. Your pediatrician will choose a medication appropriate for your baby’s age, since some common antibiotic eye drops are not recommended for infants under one year old. Treatment typically lasts five to seven days, and you should see improvement within a couple of days of starting drops.
Viral
Viral pink eye usually produces a thinner, watery discharge and often shows up alongside cold symptoms like a runny nose. Antibiotics won’t help here because they don’t work against viruses. Viral pink eye generally needs to run its course over one to two weeks, with home comfort measures to keep the baby comfortable in the meantime. Your pediatrician may still want to examine the baby to rule out a bacterial cause.
Irritant or Allergic
Babies can also get red, watery eyes from irritants like smoke, dust, or the prophylactic ointment applied at birth. Allergic conjunctivitis is less common in very young babies but possible in older infants. In these cases, removing the irritant is the primary treatment, and the redness usually resolves on its own.
How to Clean Your Baby’s Eyes at Home
Regardless of the type, keeping your baby’s eyes clean is a core part of treatment. Here’s how to do it safely:
- Wash your hands with soap and water for at least 20 seconds before and after touching the area around your baby’s eyes.
- Use a clean, wet washcloth or fresh cotton ball to gently wipe discharge away from the inner corner of the eye outward. Use a separate cotton ball or clean section of the cloth for each eye to avoid spreading infection from one eye to the other.
- Throw away cotton balls immediately after each use.
- Warm compresses can help loosen crusted discharge. Soak a clean washcloth in warm (not hot) water, wring it out, and hold it gently over the closed eyelid for 30 to 60 seconds before wiping.
You may need to clean your baby’s eyes several times a day, particularly before applying any prescribed drops or ointment. If your doctor prescribes medication for one eye, use a separate bottle or tube for each eye to prevent cross-contamination.
How to Apply Eye Drops or Ointment
Getting drops into a squirming baby’s eyes can feel impossible, but a few techniques help. Swaddle your baby snugly so their hands can’t reach their face. If you’re applying drops, gently pull down the lower eyelid to create a small pocket and place the drop there. For ointment, apply a thin line along the inside of the lower lid. Your baby will blink and spread it across the eye naturally. Avoid letting the tip of the bottle or tube touch the eye or eyelid, since that can contaminate the medication.
If your baby’s eyes are sealed shut with discharge, clean them with a warm compress first. Trying to pry crusted lids apart without softening the discharge can irritate the delicate skin.
Preventing Spread to Family Members
Bacterial pink eye is contagious from the moment symptoms appear until about 48 hours after starting antibiotic treatment, according to the American Academy of Ophthalmology. Viral pink eye can remain contagious for as long as symptoms last. During this window, a few habits will protect the rest of your household:
- Wash hands constantly, especially after touching the baby’s face, cleaning their eyes, or applying medication. Use soap and water, or a hand sanitizer with at least 60% alcohol if soap isn’t available.
- Launder bedding and towels in hot water and detergent. Wash pillowcases, crib sheets, washcloths, and burp cloths that have touched the baby’s face.
- Don’t share towels, washcloths, or pillows between the baby and other family members.
- Replace or launder items like crib sheets and washcloths 48 hours after your baby starts antibiotics, then return to your normal routine.
If you have other young children in the house, remind them not to touch the baby’s face and to wash their hands after contact. Pink eye spreads easily in families with multiple kids.
Blocked Tear Duct vs. Pink Eye
Many babies have a blocked tear duct in the first few months of life, and it can look a lot like pink eye. Both cause watery, goopy eyes. The key differences: a blocked tear duct usually affects just one eye, the discharge is more watery than thick, and the white of the eye stays white rather than turning pink or red. Blocked tear ducts also tend to be chronic, with symptoms that come and go over weeks or months, while pink eye develops more suddenly.
Your pediatrician can usually tell the difference during an exam. A blocked tear duct is treated with gentle massage of the tear duct area (your doctor can show you the technique) and typically resolves on its own by the baby’s first birthday. If a blocked duct becomes infected, though, it can turn into true pink eye and need antibiotics.
Signs That Need Prompt Medical Attention
Any baby under three months old with eye redness or discharge should be seen by a doctor promptly, not managed at home first. For older babies already being treated, watch for these signs that something more serious may be happening:
- Swelling of the eyelid that goes beyond mild puffiness, especially if the skin around the eye turns red or feels warm
- Fever alongside the eye symptoms
- No improvement after 48 hours of prescribed antibiotic treatment
- The baby seems unable to open the eye even after cleaning away discharge
- Sensitivity to light, such as turning away from normal room lighting or keeping the eyes squeezed shut
These can indicate that the infection has spread deeper than the surface of the eye, or that the initial diagnosis needs to be reconsidered. In newborns under 30 days, eye infections caused by certain bacteria acquired during delivery can progress quickly and require more aggressive treatment than standard drops, so early evaluation is especially important in that age group.