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. 2021 Jul 3;38(4):330–337. doi: 10.4103/lungindia.lungindia_118_19

Table 7.

Causality assessment and severity assessment of adverse drug reactions

ADR (n=236) Naranjo Scale[7] Modified Hartwig and Siegel Scale[8]


Definite Probable Possible Mild Moderate Severe
Acne vulgaris 8 3 2 0 13 0
Arthralgia 0 18 15 7 23 3
Dermatitis 3 4 0 0 7 0
Giddiness 0 9 12 3 16 2
Gynecomastia 3 0 0 0 3 0
Hypothyroidism 7 0 0 0 7 0
Nausea and vomiting 0 27 56 38 36 9
Nephrotoxicity 0 0 3 0 0 3
Ototoxicity 3 3 0 3 2 1
Peripheral neuropathy 0 8 13 3 13 5
Psychosis 4 0 0 0 0 4
Severe gastritis 0 5 14 6 10 3
Tinnitus and mild hearing loss 1 5 10 2 12 2
Total, n (%) 29 (12.28) 82 (34.74) 125 (52.96) 62 (26.27) 142 (60.16) 32 (13.55)

ADRs: Adverse drug reaction