How do you tell the difference between the drug working and just a good week?

Sorry for the basic question, but how do you actually start one of these diaries?

Is it normal to feel worse before better? Nobody told me that.

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

Following this because I am in the same place and have no idea what to ask at the appointment. Not on monoclonal antibodies but the pattern is familia…

Did not know half of this. Thanks.

What is the first thing you would read if you were starting from zero?