Half of what people describe as tolerance is a change in the underlying condition, and the two need different answers.

Worth asking what specifically was measured. Pain scores move with mood and function does not. Tolerance was my main issue with a prior authorisation …

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

Reference ranges differ between labs, so comparing two reports is close to meaningless. Three weeks in on amitriptyline and it lines up.