Table 3.

Detected drug-related problems, with a clinical example, that were given follow up within 24 h

	n	%
Drug use without indication	129	26.9
e.g. advice to stop metoclopramide since it was no longer indicated
Administrative prescribing error	95	19.8
e.g. the dosage is described as ‘dosage known by the patient’ instead of the actual dosage
Drug omission	60	12.5
e.g. the omission of statin therapy
Incorrect dosage	43	9.0
e.g. dose adjustment of vancomycin due to the start of hemodialysis
Drug use problem	38	7.9
e.g. the patient was unable to swallow the prescribed medication
Monitoring of the patient needed	35	7.3
e.g. advice to measure the renal function during treatment with nonsteroidal anti-inflammatory drugs (NSAIDs)
Duplicate therapy	29	6.1
e.g. simultaneous use of amlodipine and barnidipine
Other	25	5.2
e.g. thyroid therapy was not taken on an empty stomach
Allergy, or contra-indication	15	3.1
e.g. the omission of the registration of the Brugada syndrome as contra-indication
Side effect	6	1.3
e.g. elevated creatinine kinase (CK) levels as side effect of ciprofloxacin
Drug-drug interaction	4	0.8
e.g. the manual check on drug interaction with cannabinoids
Total	479	100