Table 3.

Identified medication-related concerns and interventions by type

	Patients, n (%) (N = 100)
Identified medication-related concem(s)*
Inappropriate or unnecessary therapy	41 (41)
Suboptimal therapy	40 (40)
Undertreated symptoms	34 (34)
Adverse drug event	33 (33)
Drug-drug interaction	32 (32)
Duplication of therapy	29 (29)
Unclear prescription instructions	11 (11)
None	9 (9)
Identified intervention(s)*
Drug discontinuation	69 (69)
Patient/caregiver education†	55 (55)
Dosage form modification	51 (51)
Dose modification	49 (49)
Dosing frequency modification	46 (46)
Initiation of drug therapy	23 (23)
Change to alternative medication	21 (21)
Laboratory monitoring for safety/efficacy	4 (4)
None	3 (3)

^*Neither concern nor intervention subcategories were mutually exclusive.

^†Education interventions referred to those intended to prevent administration errors on a recurring basis (e.g., compounded liquid medication volume/concentration, appropriate injection technique for parenteral medications).