Reconstitution arithmetic is only half the problem. The other half is what was in the vial.

Ten percent cuts, of the current dose not the original. That is the arithmetic that keeps it survivable.

Ask for the longer appointment slot. Ten minutes is not enough for a complex history and pretending otherwise wastes both your time.

Interdose restlessness is distinct from the original symptom and worth naming separately.

Three month limits are cumulative across parcels in more places than people realise.