What red flags make you toss a vial immediately?

Cloudy solution when product should be clear.

Visible particles floating inside previously clear vial.

Rubber stopper damaged or compromised upon inspection.

Unusual smell compared previous consistent batches used.

Cracks in glass risking sterility and safety.

Expired date far beyond reasonable timeframe.

Label inconsistencies or spelling errors raise suspicion.

No batch number or testing verification provided.

Unexpected post injection reaction beyond normal irritation.