吐と乳にゅう

と

にゅ

う

Meanings

1

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

vomiting up milk (of a baby); milk regurgitation

Medical or clinical term for a baby spitting up or vomiting milk. Used as both a noun and a suru verb.

赤あかちゃんが吐と乳にゅうしたので、心しん配ぱいになって小しょう児に科かに電でん話わした。
My baby vomited up milk, so I got worried and called the pediatrician.

吐と

乳にゅう

が

続つづ

く

よう

なら

、

医い

師し

に

相そう

談だん

し

て

ください

。

If the milk regurgitation continues, please consult a doctor.

嘔おう吐と
嘔吐 is a general medical term for vomiting, while 吐乳 specifically refers to a baby vomiting milk.
吐はき戻もどし
吐き戻し is a more colloquial term for spitting up or regurgitation, often used for babies, while 吐乳 is a formal medical term.

Compound of 吐 (to, 'vomit') and 乳 (nyū, 'milk'). A straightforward Sino-Japanese medical term.