When do a baby's first teeth come in?
Applies to age: 3–12 months
In short
Most babies start teething at around 6 months of age, but some children start before they are 4 months old, and some after 12 months. The central incisors (front teeth) usually come through first, at around 6 months.
What is normal
All claims: international norm
- Most babies start teething at around 6 months of age, but others start before they are 4 months old, and some only after 12 months.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
Most babies start teething at around 6 months, but others start teething before they are 4 months old and some after 12 months.
NHS · open the source · accessed: 2026-10-09 · license [1]
- Sometimes a baby is already born with their first teeth.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
Some babies are even born with their first teeth.
NHS · open the source · accessed: 2026-10-09 · license [1]
- The central incisors (front teeth) are usually the first to come through, usually at around 6 months of age.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
central incisors (front teeth) – these are usually the first to come through, usually at around 6 months
NHS · open the source · accessed: 2026-10-09 · license [1]
- The lateral incisors (on either side of the front teeth) come through at around 8 months of age.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
lateral incisors (either side of the front teeth) – around 8 months
NHS · open the source · accessed: 2026-10-09 · license [1]
- The first molars (back teeth) come through at around 12 months of age.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
first molars (back teeth) – these come through at around 12 months
NHS · open the source · accessed: 2026-10-09 · license [1]
- Bottom teeth often come through before the matching upper teeth. For example, the bottom front teeth usually start to come through before the top front teeth.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
Bottom teeth often emerge before the matching upper teeth – for example, the bottom front teeth will usually start to come through before the top front teeth.
NHS · open the source · accessed: 2026-10-09 · license [1]
- Baby teeth sometimes come through with no pain, or with only mild symptoms that last a few days.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
Baby teeth sometimes emerge with no pain or discomfort, or only mild symptoms that last a few days.
NHS · open the source · accessed: 2026-10-09 · license [1]
- Among the possible symptoms of teething, a slightly raised temperature is listed, but below 38°C.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
their temperature is slightly raised but less than 38C
NHS · open the source · accessed: 2026-10-09 · license [1]
- There is no evidence that teething causes symptoms such as diarrhea, although some people think so.
Source: NHS – show the original wording (EN)
Summarized and translated by the editors, not an official translation. Verbatim quote from the source, in its original wording:
Some people think that teething causes symptoms such as diarrhoea, but there's no evidence to support this.
NHS · open the source · accessed: 2026-10-09 · license [1]
ER / 112 (Poland)
- A very high fever with seizures, or with symptoms that do not usually occur in a given person during a fever, is one of the situations in which an ambulance is called.
Source: Portal Pacjenta – show the quote
Verbatim quote from the source:
Polish original
bardzo wysoka gorączka z drgawkami lub objawami, które zwykle u danej osoby podczas gorączki nie występują
Portal Pacjenta · open the source · accessed: 2026-10-09 · license [2]
See a doctor
- A sick child reported to a primary care (POZ) clinic should get an appointment on the day of the report, and if that is not possible, at a time agreed with the parent.
Source: Portal Pacjenta – show the quote
Verbatim quote from the source:
Polish original
Jeśli przyjdziesz chory do przychodni, powinieneś uzyskać wizytę w dniu zgłoszenia.
Portal Pacjenta · open the source · accessed: 2026-10-09 · license [2]
international norm “International norm” next to a section heading means its claims come from a non-Polish source, because no Polish source in our registry covers this topic. When this applies to only some of the claims, the foreign ones carry the same label next to their source.
Sources
- NHS (nhs.uk, Anglia)License: Open Government Licence v3.0. Source: NHS (nhs.uk, Anglia). Content summarized and translated by the editors; changed relative to the original. Contains public sector information licensed under the Open Government Licence v3.0. The summary is ours and is not attributed to the NHS.
- Portal Pacjenta (pacjent.gov.pl)
- https://pacjent.gov.pl/jak-dziala-podstawowa-opieka-zdrowotna
- https://pacjent.gov.pl/aktualnosc/kiedy-wezwac-karetke
License: CC BY 3.0 PL. Source: Portal Pacjenta (pacjent.gov.pl). Content summarized and translated by the editors; changed relative to the original.