Zithromax vs antibacterial drug

Zithromax and antibacterial drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zithromax	Yes	No	No	No
antibacterial drug	Yes	No	No	No

As nouns, antibacterial drug is a hypernym of Zithromax; that is, antibacterial drug is a word with a broader meaning than Zithromax:

Zithromax: a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body
antibacterial drug: any drug that destroys bacteria or inhibits their growth

Other hypernyms of Zithromax include antibacterial, bactericide.

Zithromax (noun)	antibacterial drug (noun)
a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body	any drug that destroys bacteria or inhibits their growth