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Table 1 Health professional assessment of clinical scenarios for type and severity of reaction and level contraindication

From: Adverse drug reaction classification by health professionals: appropriate discrimination between allergy and intolerance?

Health profession

Type of reaction

N (%)

Severity of reaction

N (%)

Level of contraindication

N (%)

Allergy

Intolerance

Mild

Moderate

Severe

Absolutely

Relatively

Use with caution

Allergy

 Control—Augmentin, anaphylaxis (severe, absolutely contraindicated)

  Medical (n = 160)

159 (99.4)

0

1 (0.6)

2 (1.3)

156 (97.5)

158 (98.8)

0

1 (0.6)

  Nurse (n = 50)

49 (98.0)

0

1 (2.0)

2 (4.0)

46 (92.0)

46 (92.0)

3 (6.0)

0

  Pharmacist (n = 96)

94 (97.9)

2 (2.1)

0

3 (3.1)

93 (96.9)

94 (97.9)

1 (1.0)

1 (1.0)

  Medical student (n = 88)

86 (97.7)

1 (1.1)

0

1 (1.1)

86 (97.7)

87 (98.9)

0

0

  Overall (n = 394)

388 (98.5)

3 (0.76)

2 (0.51)

8 (2.0)

381 (96.7)

385 (97.7)

4 (1.0)

2 (0.51)

 Carbamazepine, Stevens–Johnson syndrome (severe, absolutely contraindicated)

  Medical (n = 160)

128 (80.0)

31 (19.4)

0

17 (10.6)

142 (88.8)

148 (92.5)

12 (7.5)

0

  Nurse (n = 50)

26 (52.0)

24 (48.0)

0

12 (24.0)

26 (52.0)

26 (52.0)

20 (40.0)

4 (8.0)

  Pharmacist (n = 96)

80 (83.3)

16 (16.7)

0

3 (3.1)

93 (96.9)

93 (96.9)

3 (3.1)

0

  Medical student (n = 88)

67 (76.1)

20 (22.7)

0

5 (5.6)

83 (89.8)

79 (89.8)

9 (10.2)

0

  Overall (n = 394)

301 (76.4)

91 (23.1)

0

37 (9.4)

344 (87.3)

346 (87.8)

44 (11.2)

4 (1.0)

Intolerance

 Control—PPI, headache (mild, use with caution)

  Medical (n = 160)

1 (0.6)

157 (98.1)

157 (98.1)

3 (1.9)

0

0

47 (29.4)

113 (70.6)

  Nurse (n = 50)

6 (12.0)

43 (86.0)

45 (90.0)

4 (8.0)

0

1 (2.0)

17 (34.0)

30 (60.0)

  Pharmacist (n = 96)

1 (1.0)

94 (98.0)

91 (94.8)

5 (5.2)

0

0

33 (34.4)

62 (65.6)

  Medical student (n = 88)

0

88 (100)

83 (94.3)

5 (5.7)

0

0

26 (11.4)

62 (70.5)

  Overall (n = 394)

8 (2.0)

382 (96.9)

376 (95.4)

(4.8)

0

1 (0.25)

123 (31.2)

267 (67.8)

 Statin, rhabdomyolysis (severe, use with caution)

  Medical (n = 160)

32 (20.0)

124 (77.5)

0

45 (28.1)

115 (71.9)

92 (57.5)

59 (36.9)

9 (5.6)

  Nurse (n = 50)

10 (20.0)

38 (76.0)

5 (10.0)

18 (36.0)

25 (50.0)

21 (42.0)

18 (36.0)

10 (20.0)

  Pharmacist (n = 96)

15 (15.6)

80 (83.3)

0

19 (19.8)

77 (80.2)

49 (51.0)

41 (42.7)

6 (6.3)

  Medical student (n = 88)

13 (14.8)

73 (82.9)

0

11 (12.5)

76 (86.4)

53 (60.2)

32 (36.4)

2 (2.3)

  Overall (n = 394)

70 (17.8)

315 (79.9)

5 (1.3)

93 (23.6)

293 (74.4)

215 (54.6)

150 (38.1)

27 (6.9)

 Azathioprine, myelosuppression, hepatitis (moderate, absolutely contraindicated)

  Medical (n = 160)

24 (15.0)

130 (81.3)

0

65 (40.6)

76 (47.5)

49 (30.6)

77 (48.1)

33 (20.6)

  Nurse (n = 50)

15 (30.0)

34 (68.0)

0

31 (62.0)

19 (38.0)

17 (34.0)

22 (44.0)

11 (22.0)

  Pharmacist (n = 96)

17 (17.7)

79 (82.3)

1 (1.0)

54 (56.3)

40 (41.7)

20 (20.8)

54 (56.3)

22 (22.9)

  Medical student (n = 88)

13 (14.8)

74 (84.1)

1 (1.1)

50 (56.8)

36 (40.9)

27 (30.7)

54 (61.4)

6 (6.8)

  Overall (n = 394)

69 (17.5)

317 (80.4)

2 (0.5)

200 (50.7)

171 (43.4)

113 (28.7)

207 (52.5)

72 (18.3)

 ACE, angioedema (moderate, absolutely contraindicated)

  Medical (n = 160)

109 (68.1)

48 (30.0)

14 (8.8)

82 (51.3)

63 (39.4)

110 (68.8)

45 (28.1)

4 (2.5)

  Nurse (n = 50)

38 (76.0)

11 (22.0)

4 (8.0)

30 (60.0)

16 (32.0)

29 (58.0)

18 (36.0)

3 (6.0)

  Pharmacist (n = 96)

73 (76.0)

23 (23.9)

1 (1.0)

30 (31.3)

65 (67.7)

87 (90.6)

9 (9.4)

0

  Medical student (n = 88)

74 (84.1)

14 (15.9)

9 (10.2)

51 (58.0)

28 (31.8)

36 (40.9)

46 (52.3)

6 (6.8)

  Overall (n = 394)

294 (74.6)

96 (24.4)

28 (7.1)

193 (49.0)

172 (43.7)

262 (66.5)

118 (29.9)

13 (3.3)

 NSAIDs, hives (moderate, relatively contraindicated)

  Medical (n = 160)

144 (90.0)

14 (8.8)

23 (14.4)

121 (75.6)

14 (8.8)

67 (41.9)

76 (47.5)

15 (9.4)

  Nurse (n = 50)

39 (78.0)

9 (18.0)

17 (34.0)

31 (62.0)

2 (4.0)

14 (28.0)

6 (12.0)

30 (60.0)

  Pharmacist (n = 96)

91 (94.8)

5 (5.2)

19 (19.8)

64 (66.7)

13 (13.5)

42 (43.8)

37 (38.5)

16 (16.7)

  Medical student (n = 88)

85 (96.6)

3 (3.4)

10 (11.4)

67 (76.1)

10 (11.4)

31 (35.2)

49 (55.7)

8 (9.1)

  Overall (n = 394)

359 (91.1)

31 (7.9)

69 (17.5)

283 (71.8)

39 (9.9)

154 (39.1)

168 (42.6)

69 (17.5)

 Beta-blocker, shortness of breath (moderate, relatively contraindicated)

  Medical (n = 160)

18 (11.2)

139 (86.9)

37 (23.1)

112 (70.0)

8 (5.0)

28 (17.5)

109 (68.1)

19 (11.9)

  Nurse (n = 50)

22 (44.0)

26 (52.0)

15 (30.0)

28 (56.0)

5 (10.0)

14 (28.0)

20 (40.0)

14 (28.0)

  Pharmacist (n = 96)

4 (4.2)

91 (94.8)

28 (29.2)

61 (63.5)

7 (7.3)

13 (13.5)

57 (59.4)

25 (26.0)

  Medical student (n = 88)

12 (13.6)

76 (86.4)

31 (35.2)

53 (60.2)

4 (4.5)

11 (12.5)

61 (69.3)

16 (18.2)

  Overall (n = 394)

56 (14.2)

332 (84.3)

111 (28.2)

254 (64.5)

24 (6.1)

66 (16.8)

247 (62.7)

74 (18.8)

 Morphine, hives (mild, use with caution)

  Medical (n = 160)

114 (71.3)

44 (27.5)

93 (58.1)

64 (40.0)

2 (1.25)

22 (13.8)

104 (65.0)

33 (20.6)

  Nurse (n = 50)

28 (56.0)

20 (40.0)

21 (42.0)

28 (56.0)

0

7 (14.0)

26 (52.0)

16 (32.0)

  Pharmacist (n = 96)

66 (68.8)

30 (31.3)

35 (36.5)

58 (60.4)

3 (3.1)

11 (11.5)

63 (65.6)

22 (22.9)

  Medical student (n = 88)

82 (93.2)

5 (5.7)

38 (43.2)

48 (54.5)

1 (1.1)

10 (11.4)

63 (71.6)

14 (15.9)

  Overall (n = 394)

290 (73.6)

99 (25.1)

187 (47.5)

198 (50.3)

6 (1.5)

50 (12.7)

256 (65.0)

85 (21.6)

 Erythromycin, GI complaint (moderate, relatively contraindicated)

  Medical (n = 160)

5 (3.1)

151 (94.4)

101 (63.1)

58 (36.3)

0

2 (1.3)

61 (38.1)

95 (59.4)

  Nurse (n = 50)

5 (10.0)

43 (86.0)

17 (34.0)

31 (62.0)

1 (2.0)

4 (8.0)

24 (48.0)

21 (42.0)

  Pharmacist (n = 96)

3 (3.1)

93 (96.9)

69 (71.9)

23 (24.0)

1 (1.0)

1 (1.0)

26 (27.1)

66 (68.8)

  Medical student (n = 88)

4 (4.5)

83 (94.3)

38 (43.2)

49 (55.7)

0

0

49 (55.7)

38 (43.2)

  Overall (n = 394)

17 (4.3)

370 (93.9)

225 (57.1)

161 (40.9)

2 (0.5)

7 (1.8)

160 (40.6)

220 (55.8)

  1. Cells may not add up to 100% due to missing data
  2. Those columns highlighted in italics are the correct answers