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Toilet training

Toilet training goes faster and easier when a child is physically and emotionally ready. Praise and patience work better than pressure and scolding.

Updated 2026-10

When to start: readiness signs

Many children become dry during the day between ages 2 and 3. Timing differs for each child, and starting early does not mean finishing early. Start when you see several of these signs, rather than at a set age.

  • Diaper stays dry for about 2 hours or after naps
  • Lets you know, with words, faces or gestures, that they are peeing or pooping or just did
  • Dislikes a wet diaper and asks to be changed
  • Shows interest in the potty or in adults using the toilet
  • Can pull pants down and up to some extent
  • Understands and follows simple instructions like "let's sit on the potty"
TIPAvoid times of big change, such as a new sibling, a move or starting daycare, and begin when home life is fairly settled.

Step by step

  • Get a child-sized potty or a toilet seat insert and step stool, and use picture books to make the bathroom familiar.
  • Start by sitting with clothes on. Once comfortable, sit for a few minutes at regular times: after waking, after meals, after naps and before bed.
  • Take your child to the toilet as soon as they show a sign. Praise success specifically ("You told me you needed to pee!").
  • Do not keep your child on the potty for long. If nothing happens within a few minutes, let them know it is fine to get up.
  • Teach handwashing after the toilet, and wiping front to back for girls.
  • Switch to underwear once your child succeeds most of the day. Pack spare clothes when going out.

Accidents and regression

Accidents are part of toilet training. Scolding or shaming makes children tense, so they hold it in or hide it, which can lead to constipation. Stay calm, say "let's try the potty next time," and clean up together.

After a new sibling, a move, starting daycare or an illness, even a child who was doing well may have more accidents. It is usually temporary, so ease the pressure and wait. If your child strongly resists, it is fine to pause for a few weeks and try again.

TIPIf your child goes to daycare, agree with the teachers on the same words and approach so your child is less confused.

When there is constipation

Holding in stool and becoming constipated is common during toilet training. Hard, painful stools make children hold it more, creating a vicious cycle. Offer plenty of vegetables, fruit, whole grains and water, and give regular potty time after meals. If constipation continues, pause training and treat the constipation first.

SEE A DOCTOR IFSee a doctor if constipation lasts more than 2 weeks, there is blood on the stool, the belly is very swollen and painful, or stool often leaks into the underwear (a sign of held-in stool).

Nighttime dryness and bedwetting

Staying dry at night comes later than daytime and depends more on body maturity than willpower. It is not unusual for children around age 5 to still have occasional wet nights, and most outgrow it.

Using the toilet before bed and not drinking a lot late in the evening can help. Do not scold for wet nights. Medically, bedwetting is usually evaluated if it continues past about age 5, so if you are concerned, talk with your pediatrician around then.

Signs to see a doctor

  • Pain when peeing, needing to pee very often, or blood in the urine
  • Fever with strong-smelling urine, or belly or side pain
  • A child who was dry suddenly has frequent daytime accidents and is drinking unusually large amounts
  • Still rarely dry during the day after age 4 to 5
  • A weak urine stream, or constant dribbling

FAQ

By what age should diapers be gone?

There is no deadline. Many children are dry during the day between ages 2 and 3, but there is wide variation. If your child is still rarely dry during the day after age 4 to 5, see a doctor.

Daycare wants us to start, but my child doesn't seem ready.

Share the readiness signs you see at home with the teachers and decide on timing together. Forcing an early start can make training take longer.

My child cries and refuses to sit on the potty.

It is fine to stop and try again in a few weeks. Ease the pressure with sitting fully clothed, doll play or picture books, and check for constipation.

My 6-year-old still wets the bed.

This is common and most children outgrow it. Do not scold. If there are other symptoms, such as daytime accidents or pain when peeing, or your child is distressed, talk with your pediatrician.

Sources

  • AAP HealthyChildren.org (toilet training)
  • Korean Pediatric Society

Medical information is for reference only. This is general information and does not replace diagnosis or treatment. Always talk to your child's doctor. In an emergency in Korea, call 119.

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