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

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

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?

Do you contact the customs office or the carrier first?

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

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

Sorry, probably obvious, but where do you even start with something blank?