Common inhaler and ophthalmic dosing, routes, package sizes, days'-supply calculations, device technique, laterality, and patient counseling points — five free tools in one place.
Device technique for MDI, DPI, Respimat, and capsule inhalers; rescue vs. maintenance; laterality; days'-supply formulas for both inhalers and eye drops; and the calculation traps to watch for.
Download the Guide →Scheduled, PRN, and combined directions, with common product presets and a copyable calculation note.
Open the Calculator →One-eye or both-eye, multidose or single-use, PRN, fixed course, and four-phase taper support.
Open the Calculator →Formulas, common package counts for 15+ products, PRN conversions, and a blank worksheet.
Get the Reference →Formulas, drop-factor sensitivity tables, taper worked examples, and a blank worksheet.
Get the Reference →