This is an English rendering of a Polish public-health reference. The care paths it names (112, night and holiday care NiŚOZ, primary care POZ) are Polish. This is not medical advice.

PL

This is not medical advice Life-threatening emergency (Poland): 112

Home › Fever and symptoms of illness

What do bile, blood, phlegm or saliva in a child's vomit mean?

Applies to age: 0–36 months

In short

Green or yellow vomit in a baby, or vomit with blood, needs an urgent medical assessment, and persistent vomiting, especially with traces of blood, is a situation for calling an ambulance.

Sources: NHS, Portal Pacjenta, NFZ i Akademia NFZChecked: Report an error

What is normal

All claims: international norm

  • A baby under 1 year old often spits up a little milk during or shortly after a feed, without discomfort.
    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:

    It's common for a baby under the age of 1 to bring up a little bit of milk during or shortly after a feed, without being distressed.

    NHS · open the source · accessed: 2026-10-14 · license [1]

ER / 112 (Poland)

  • Persistent vomiting, especially with traces of blood, is a situation in which an ambulance is called (999, the ambulance number in Poland, or 112, the emergency number in Poland).
    Source: Portal Pacjenta – show the quote

    Verbatim quote from the source:

    Polish original

    uporczywe wymioty zwłaszcza z domieszką krwi

    Portal Pacjenta · open the source · accessed: 2026-10-14 · license [2]

See a doctor

Some claims: international norm

Urgent medical assessment needed: international norm

  • Green or yellow vomit in a baby, or vomit with blood, needs an urgent medical assessment.
    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:

    has vomit that's green or yellow, or has blood in it

    NHS · open the source · accessed: 2026-10-14 · license [1]

  • Vomiting with more force than usual (projectile) in a baby needs an urgent medical assessment.
    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:

    is projectile vomiting (being sick with more force than usual)

    NHS · open the source · accessed: 2026-10-14 · license [1]

  • A baby who keeps vomiting and cannot keep fluids down needs an urgent medical assessment.
    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:

    keeps being sick and cannot keep fluid down

    NHS · open the source · accessed: 2026-10-14 · license [1]

  • When vomiting or diarrhea appears, especially in children, you can go to the doctor on duty in night and holiday care (NiŚOZ).
    Source: NFZ i Akademia NFZ – show the quote

    Verbatim quote from the source:

    Polish original

    pojawią się wymioty lub biegunka (szczególnie u dzieci i seniorów).

    NFZ i Akademia NFZ · open the source · accessed: 2026-10-14 · license [3]

  • Night and holiday care is medical help outside the working hours of a primary care (POZ) clinic.
    Source: NFZ i Akademia NFZ – show the quote

    Verbatim quote from the source:

    Polish original

    Nocna i świąteczna opieka zdrowotna to pomoc lekarska po godzinach pracy przychodni POZ.

    NFZ i Akademia NFZ · open the source · accessed: 2026-10-14 · license [3]

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.

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

  1. 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.
  2. Portal Pacjenta (pacjent.gov.pl)
    License: CC BY 3.0 PL. Source: Portal Pacjenta (pacjent.gov.pl). Content summarized and translated by the editors; changed relative to the original.
  3. NFZ i Akademia NFZ
    License: Treści NFZ – wykorzystanie ze wskazaniem źródła, bez obrotu komercyjnego. Source: NFZ i Akademia NFZ. Content summarized and translated by the editors; changed relative to the original.

See an error or outdated information? Report an error in this answer. Answer checked against the sources on October 14, 2026.

Set your child's age