1. © The Author(s) 2015. Published by Science and Education Publishing.
Table 5. Common causes of each DTP identified among T2DM patients in WSU teaching hospital, from February to April,
2016(N=202)
S.NO
DTPs Category and causes
Frequency(N=202) (%) 1
Needs additional drug therapy
137(67.8)
Preventive drug therapy required
126(92)
To attain synergistic effect
10(7.3)
There is a medical condition that requires treatment
1(0.7) 2
Non compliance
127(52.3)
Forgets to take medications
64(50.4)
Fear of side of effects
36(28.3)
Drug unavailability
15(11.8)
Others*
12(9.5) 3
Dose too low
65 (26.7)
The dose is too low to produce the desired effect
56(86)
The dosing is too infrequent to produce the desired effect
7 (4.6)
There is drug interaction which reduces its effect
2(9.4) 4
Unnecessary drug therapy
16 (6.5)
Duplicative drug therapy
14(87.5)
There is no valid medical condition
2(12.5) 5
Dose too high
14(5.7)
The dose given is too high
12(85.7)
Drug interaction
2(14.3) 6
Adverse drug reaction
11(4.5)
The drug is C/I due to risk or safer drug is available
4(41.7)
The drug produces an undesirable effect(hypoglycaemia) **
7(33.3) 7
Ineffective drug therapy
8(3.30)
The drug is not the most effective drug
1(12.5)
The medical condition is refractory
7(87.5)
* Unclear drug instruction, cost, and patient preference. ** At least one episode of hypoglycaemia prior to enrolment in the study.
Hailu Chare Koyra et al. Epidemiology and Predictors of Drug Therapy Problems among Type 2 Diabetic Patients at
Wolaita Soddo University Teaching Hospital, Southern Ethiopia. American Journal of Pharmacological Sciences, 2017,
Vol. 5, No. 2, doi: /ajps-5-2-4
© The Author(s) Published by Science and Education Publishing.