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How to Sterilize Pacifiers: Steps & Safe Methods

Medically Reviewed by Michelle Roth, BA, IBCLC
Updated
That binky hit the floor again? Here's the safe way to de-germ it.

Your baby’s pacifier just hit the floor of the grocery store, and every eye seems to be on you. Do you wipe it, rinse it, or march home to boil it? The pressure is real, and so is the screaming.

We pulled the current guidance from the CDC and pediatric sources to sort out what actually sterilizes a pacifier and what just moves germs around. Boiling, steam, the dishwasher, and even a bleach soak all work, but each one has a catch.

Here is how to keep that binky clean without turning it into a second job.

Key Takeaways

  • Boiling is the most reliable way to sterilize a pacifier: submerge it for 5 minutes, then let it cool and squeeze trapped water out before your baby uses it.
  • A dishwasher run on hot water with a heated drying or sanitizing cycle counts as sanitizing on its own, so no separate boiling step is needed.
  • Sterilize most diligently in the early months, and especially if your baby is under 2 months old, premature, or has a weakened immune system.
  • Replace a pacifier every 4 to 6 weeks, or sooner at any sign of cracks, tears, stickiness, or discoloration.


Different Ways to Clean a Pacifier

There is more than one way to de-germ a pacifier, and the right one depends on how much time you have. Some methods are quick fixes for a public meltdown; others are proper deep cleans. Here is how they stack up.

The “Parent Spit” Method

We’ve all seen it (or done it). A pacifier drops, and a parent pops it into their own mouth for a quick “cleaning” before handing it back to the baby.

Ideally, we wouldn’t recommend this. Adult mouths carry bacteria that can cause cavities or pass on illnesses like herpes (cold sores). Then again, the science threw us a curveball.

A study published in Pediatrics suggested that children whose parents cleaned pacifiers with their own mouths had lower rates of asthma and eczema (1). The theory is that passing microbes from parent to child may help “train” the baby’s immune system.

The Verdict: if you are healthy and desperate, it is an option. If you have a cold, sore throat, or any open sores, keep your mouth to yourself.

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Rinsing With Water

Running a dropped binky under the tap is the standard “five-second rule” response. It is good for knocking off visible dirt, lint, or dog hair.

However, water alone does not kill bacteria. Even when it looks clean, microorganisms like staph or strep can linger (2). Treat a quick rinse as a temporary fix, not a sterilization method.

The Boiling Water Method

This is the classic, hard-to-mess-up option, and it needs nothing but a pot and water. Bring the water to a boil, submerge the pacifier for 5 minutes, then lift it out with clean tongs (3). It is the best choice for the very first cleaning of a brand-new pacifier.

One caveat comes down to material. Silicone handles a full boil well and holds its shape, but natural rubber latex breaks down faster under repeated boiling. For latex, scald it instead: pour boiling water over it and let it soak for about 5 minutes rather than keeping it at a rolling boil.

Safety Warning

Trapped hot water is a serious burn hazard. After boiling, wait for the pacifier to cool completely. Squeeze the nipple to expel any boiling water hiding inside before giving it to your baby.

Dishwasher Sterilizing

If you already run a dishwasher, it can do double duty. Running it with hot water and a heated drying or sanitizing cycle sanitizes the pacifier on its own, so you do not need a separate boil afterward. Two rules still apply:

  • Top Rack Only: the heating element at the bottom can melt or warp plastic.
  • Material Matters: silicone usually handles the dishwasher fine, while latex degrades in high heat and is better hand-washed or scalded.

Electric and Microwave Sterilizers

If you want hands-off, hospital-style cleanliness, dedicated gear does the work for you.

Electric steam sterilizers sit on the counter and clean bottles, pump parts, and pacifiers together in one cycle. They are effective but take up space.

For something faster and more portable, microwave sterilizers and sterilizer bags use steam to clean in a few minutes. The Philips AVENT Microwave Steam Sterilizer is a popular pick because it is lightweight, fits several bottle brands, and works far faster than waiting on a pot to boil.

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What You’ll Need

You do not need a laboratory setup to keep things hygienic. You likely have most of these items already.

  • Mild dish soap (free of harsh fragrances).
  • A clean, dedicated brush or sponge.
  • A small pot for boiling.
  • A clean drying rack or paper towels.
  • Ziploc bags or a pacifier case for storage.

How to Clean and Sterilize Your Baby’s Pacifier

Follow this routine to make sure your baby is not sucking on a bacteria trap.

1. Wash With Soap

Sterilization works best on a surface that is already physically clean, so wash the pacifier with hot water and mild dish soap first.

Skip the old kitchen sponge that has been sitting in the sink for two weeks; it likely holds more germs than the pacifier itself (4). Use your clean hands or a dedicated bottle brush instead.

2. The “Pull Test” and Inspection

While washing, inspect the pacifier closely and pull the nipple in every direction. If you see cracks or tears, or the rubber feels sticky or tacky, throw it away right away. A damaged pacifier can break apart and become a choking hazard.

3. Sterilize

Pick the method that fits your setup:

  • Boiling: submerge in boiling water for 5 minutes, then remove with clean tongs.
  • Steam or microwave: follow the manufacturer’s instructions for water level and timing.
  • Dishwasher: place it on the top rack, ideally on a hot cycle with heated drying.
  • Bleach soak: when boiling and steam are not options, the CDC clears a solution of 2 teaspoons of unscented bleach per gallon of water. Submerge the pacifier for at least 2 minutes, then let it air-dry without rinsing, since the trace bleach breaks down as it dries.

4. Expel Trapped Water (Do Not Skip)

Most pacifier nipples are hollow, and water often gets trapped inside during washing. Left there, it can turn into a breeding ground for mold.

Once the pacifier has cooled, squeeze the nipple firmly to force any remaining water out, then shake it vigorously.

5. Air Dry and Store

Place the pacifiers on a drying rack or a clean towel, and make sure they are totally dry before storing them.

Once dry, keep them in a clean plastic bag or a designated pacifier pod inside your diaper bag. This keeps lint and crumbs from sticking to the nipple.

Pacifier Hygiene FAQs

Do I Really Need to Sterilize?

Yes, you should sterilize a pacifier before its first use and regularly through the early months. Sterilizing a new pacifier removes manufacturing residue and germs, and frequent sterilizing matters most for babies under 6 months, whose immune systems are still developing. For older babies, hot soapy water usually does the job unless they are sick.

Can I Clean a Pacifier With Baby Wipes?

Generally, no. Standard diaper wipes carry lotions and fragrances that are not meant to be swallowed, so they are a poor fit for something your baby will suck on. Purpose-made pacifier wipes with food-grade ingredients like xylitol are handy for a quick clean on the go, but they do not replace a proper wash and sterilize at home.

How Often Should Pacifiers Be Sterilized?

Sterilize daily or every other day for newborns from 0 to 6 months, plus after any illness or a drop on a dirty floor. The CDC flags sanitizing as most important when a baby is under 2 months, premature, or has a weakened immune system. Once your baby is crawling and mouthing everything, regular soap-and-water washing covers most days.

How Often Should Pacifiers Be Replaced?

Replace a pacifier every 4 to 6 weeks with regular use, and natural rubber ones as often as every 4 weeks. Do not wait on the calendar if you spot trouble: holes, tears, discoloration, a sticky surface, or a stretched nipple all mean it goes in the trash immediately, since a damaged pacifier can break apart and become a choking hazard.

What Happens if You Don’t Sterilize Pacifiers?

An uncleaned pacifier can harbor yeast, bacteria, and mold, which can lead to oral thrush, stomach bugs, or reinfection if your child was recently sick. Trapped moisture inside the hollow nipple is the usual cause of mold, which is why squeezing the water out and drying the pacifier fully after every wash matters as much as the sterilizing itself.

When Can You Stop Sterilizing Pacifiers?

Most experts say you can ease off daily sterilizing once your baby is around 6 months old. By then the immune system is stronger and your baby is already mouthing toys and floors, so routine soap-and-water washing covers most days. Go back to sterilizing after an illness, a fall on a dirty surface, or any stretch when your baby is unwell.

Can I Use Vinegar to Clean a Pacifier?

Yes, white vinegar works as a mild natural cleaner for a pacifier. Soak it for a few minutes in a half-water, half-white-vinegar solution, then rinse thoroughly and squeeze the water out of the nipple so no vinegar taste lingers. Vinegar is fine for an everyday clean, but boiling or steam is still the stronger choice for true sterilizing.

How Do I Remove Mold From Inside a Pacifier?

You cannot safely remove mold from inside a pacifier, so throw it away. Dark spots inside the nipple are mold that has grown in trapped moisture, and it is nearly impossible to clear fully from porous silicone or rubber. Skip bleach and harsh scrubbing on a mouth item and simply replace it, then prevent a repeat by squeezing out water and drying pacifiers completely before storing.

Can I Sterilize Silicone and Latex Pacifiers the Same Way?

Not quite. Silicone pacifiers are sturdier and can be boiled for 5 minutes or microwaved without losing their shape. Natural rubber latex breaks down faster under high heat, so scald it instead: pour boiling water over it and let it soak about 5 minutes rather than holding it at a rolling boil. Check either type often and replace it at the first sign of swelling or stickiness.


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Medically Reviewed by

Michelle Roth, BA, IBCLC

Michelle Roth, BA, IBCLC is a writer, editor, and board-certified lactation consultant for two busy pediatric practices. She is a former La Leche League Leader, Lamaze Certified Childbirth Educator, and Certified Infant Massage Instructor.