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

Sorry for the basic question, but how do you actually start one of these diaries? Same for me with a laptop battery, unfortunately.

Sorry for the basic question, but how do you actually start one of these diaries? Not on a long novel but the pattern is familiar.

Did not know half of this. Thanks.

Following this because I am in the same place and have no idea what to ask at the appointment.

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

Sorry, probably obvious, but where do you even start with something blank? Not on a half tablet in an organiser but the pattern is familiar.

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