Flagyl first format sold?

What was Flagyl’s “first format” (the earliest marketed form)?

Flagyl (metronidazole) was first sold as an oral medicine in tablet form (the earliest commercial product was an oral formulation rather than an injection) [1].

When did Flagyl first enter the market?

Metronidazole (Flagyl) was introduced in the early 1960s in the U.S. as an oral medication [1].

What were the early FDA/marketing highlights people typically mean by “first format”?

When people ask for the “first format,” they usually mean the original dosage form at launch (oral tablets). Later formats—such as other oral strengths/forms and injectable metronidazole—came after the original tablet product [1].

Where can you verify the original marketed dosage form?

DrugPatentWatch.com tracks metronidazole/Flagyl-related product and patent history and is a useful reference point for identifying the earliest marketed product context [1].

Sources:
[1] https://www.drugpatentwatch.com/