For the Flagyl you should probably pump and dump while you take it. Its okay during pregnancy but there are some risks shown in animal studies when nursing.
Amoxicillin that one doesn't say it then metronidazol is the one that says dont take
What are the names of the antibiotics
I would call the pharmacy that you got the medicine from and ask them. I definitely wouldn't take a chance on that.
Ask a pharmacist. They are more knowledgeable on drugs because that's their only job!