Antianxiety drug and Antianxiety agent

Antianxiety drug noun - A tranquilizer used to relieve anxiety and reduce tension and irritability.

Antianxiety agent and antianxiety drug are semantically related. In some cases you can use "Antianxiety agent" instead a noun phrase "Antianxiety drug".

Antianxiety agent noun - A drug used to reduce stress or tension without reducing mental clarity.

Antianxiety drug and antianxiety agent are semantically related. Sometimes you can replace phrase "Antianxiety drug" with "Antianxiety agent", this phrases are similar.