Translation guide
An emetic is a substance that induces vomiting. In Japanese, the most common way to express this is with the noun 吐剤 (とざい), but in everyday contexts, descriptive phrases like 吐き気を催す薬 (はきけをもよおすくすり) are more natural.
Referring to a medicine or substance that causes vomiting, either as a medical treatment or accidentally.
In casual conversation, Japanese speakers rarely use the technical term 吐剤. Instead, they describe the effect: 「吐き気を催す薬」 or simply 「吐く薬」. If you need to be precise in a medical setting, 吐剤 is appropriate.
Descriptive phrase meaning 'medicine that induces nausea/vomiting'. More common in everyday speech than the technical term.
この薬は吐き気を催すことがあります。
This medicine may cause nausea.
More formal phrase meaning 'drug that induces vomiting'. Used in medical explanations.
嘔吐を誘発する薬は中毒治療に使われる。
Drugs that induce vomiting are used in poisoning treatment.
Another technical term for emetic, literally 'vomiting-inducing drug'. Less common than 吐剤.
催吐薬の使用は現在では限られている。
The use of emetics is now limited.