Is it normal to feel worse before better? Nobody told me that. Not on a cycling route but the pattern is familiar.

Stupid question: how do you know whether what is in the vial matches the label at all?

How do you tell the difference between the drug working and just a good week? How long have you been on a certificate image?

Same here.

How do you tell the difference between the drug working and just a good week? Currently on ciprofloxacin myself.