Table 1. Frequency of Formal Reporting Medication Errors of Nurses in the Study.

No	Medication Error	Frequency of Formal Reporting of Medication Errors, %				Total
		Never	Once	Twice	More Than Twice
1	Not giving prescribed medication to the patient	63	28	6	3	100
2	Giving medication to the patient without prescription of physician	53	35	8	4	100
3	Giving medication before or after due time	63	33	0	4	100
4	Not diluting a medication that has to be diluted	69	27	4	0	100
5	Not paying attention to proper time of giving a medication (before and after food)	66	29	0	2	100
6	Not taking necessary measures for medications that need special attention (taking blood pressure and pulse, etc.)	66	29	5	0	100
7	mixing medications (micro set medications) without paying attention to drug interactions	66	29	1	4	100
8	Error in injection method in terms of speed of injection.	68	27	4	1	100
9	the intravenous injection of an Subcutaneous medication	66	28	2	4	100
10	the Subcutaneous injection of an intravenous medication	66	30	4	0	100
11	the intramuscular injection of an intravenous medication	66	30	1	3	100
12	the intravenous injection of an intramuscular medication	69	25	6	0	100
13	giving patients sublingual or chewable medications orally	67	26	4	3	100
14	giving expired medications to patients	67	26	6	1	100
15	giving postoperative analgesics without physician's prescription	65	29	5	6	100
16	Giving the wrong medication to a patient	67	29	0	4	100
17	Giving more or less than the prescribed dose	62	32	5	1	100
18	not paying attention to proper position of patients regarding the kind of medication	70	25	5	0	100
19	not paying attention to effects of drug interactions	63	31	2	4	100