You have two changes at once here. You cannot attribute anything until one of them moves.

Check the register yourself rather than trusting the number printed on the site.

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

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

Same here.

Loose evidence and no evidence are different, and people overcorrect in both directions.

A plausible mechanism is not an outcome, and this class is the textbook example.