Table 1.

Classification of Medication-Related Problems

Class	Description/examples
Choice of medication/dose	Includes items needed but not prescribed, items prescribed but not needed, duplication of therapy, dose too high or too low
Adverse drug reactions	Any adverse drug reaction or drug interaction experienced by the patient, or for which the patient was at risk
Device	Inappropriate/incorrect choice or use of dosage form or device, route of administration, duration of administration
Compliance	Non-compliance or poor compliance due to factors such as poor understanding of reasons for use of medicine, poor inhaler technique, lack of an Asthma Action Plan
Miscellaneous	Problems that could not be readily classified, e.g. smoking