Antiepileptic drug and Medicinal drug

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

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

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

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