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. 2014 Oct 31;4(10):e006088. doi: 10.1136/bmjopen-2014-006088

Table 1.

Substandard medicines

Defect type Number of medicines Per cent Defect details Number of medicines
Stability defects 205 32 Concern about stability of active ingredients 63
Levels of impurities in excess of specification at different time points 50
Dissolution, disintegration and drug release failure 45
Others 47
Contamination 139 21 Impurities 82
Lack of sterility assurance 35
Microbial contamination 22
Minor packaging defects 71 11 Fault involving the external packaging or minor printing errors that do not involve name or strength of a medicine 60
Missing or incorrect product registration number, batch number, manufacturer's name or expiry date 11
Major packaging defects 65 10 Missing or incorrect name, strength, or active ingredient of a medicine on carton or box 35
Packing a medicine in the wrong carton or present of a foreign tablet or capsule in the bottle or blister 30
Defects in active ingredient 62 10 Excessive amount of active ingredients 26
Inadequate amount of active ingredient 20
Active ingredient is out of specification 16
Delivery defects 35 5 Fault with a device 22
Leakage or loose/ tight seal, cracks in a vial or broken tablets 9
Others 4
Other defects 72 11 GMP deficiencies and deviation from preapproved specifications 48
Inappropriate shipment 14
Dissolution/disintegration failure 10
Total 649 100 649

GMP, Good Manufacturing Practices.