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

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

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

Is a baseline blood test really necessary before starting something like this?

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? Not on a specialist wait but the pattern is familiar.

How do I find the national register if I do not read the language?

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