Anticonvulsant drug and Medicinal drug

Anticonvulsant drug noun - A drug used to treat or prevent convulsions (as in epilepsy).

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

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

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