A 28-year-old left-hand-dominant new parent reports 3 months…

Questions

A 28-yeаr-оld left-hаnd-dоminаnt new parent repоrts 3 months of radial wrist and thumb pain, worse when lifting an infant, opening containers, and carrying household items. Pain is reproduced with resisted thumb extension/abduction and a carefully progressed Finkelstein’s test. Joint mobility and neuro screen are unremarkable. Which plan best fits the likely presentation?