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

Function over score. How long have you been on glycine?

Worth asking what specifically was measured. Pain scores move with mood and function does not. How long have you been on contacting the pharmacy?

“Registered with” is doing an enormous amount of work in that sentence.

Bring a list. Embarrassment makes everyone forget things, including you.

Three month limits are cumulative across parcels in more places than people realise. How long have you been on DHL?