Table 3:

Frequency distribution of causes of medication errors

No.	Cause of medication error	Percentage
1	illegible physician orders	27.5
2	shortage of manpower and high workload	21.3
3	incomplete physician orders	16.2
4	the use of look-alike and sound-alike drugs	14.3
5	absence of pharmacist/pharmaceutical expert in the ward	11.1
6	lack of dosage forms appropriate for children	4.1
7	lack of adequate training for drug therapy	2.7
8	illegible drug chart	1.3
9	wrong calculations	1.1
10	others	0.4