Antiemetic drug and Medicinal drug

Antiemetic drug noun - A drug that prevents or alleviates nausea and vomiting.

Medicinal drug and antiemetic drug are semantically related. In some cases you can use "Medicinal drug" instead a noun phrase "Antiemetic drug".

Medicinal drug noun - (medicine) something that treats or prevents or alleviates the symptoms of disease.

Antiemetic drug and medicinal drug are semantically related. Sometimes you can replace phrase "Antiemetic drug" with "Medicinal drug", this phrases are similar.