Table 1.

Laboratory tests before and after 1-week treatment with metronidazole in three children with short bowel syndrome

	Hemoglobin (g/dL)	Mean Cell Volume (fl)	MMA µmol/L	tHcy µmol/L	Vitamin B12 pg/mL
Normal Range	11–14.5	76–90	<0.9	<10	190–778
Case 1
B12 deficiency diagnosis	12.4	76.7			151
Before Metronidazole	13.6	84.9	1.5	7.7	415
After Metronidazole	13	84.7	0.3	7.4	577
Case 2
B12 deficiency diagnosis	14.2	81.7	2	11	369
Before Metronidazole	12.7	84.2	6.3	6.7	820
After Metronidazole	13.5	85	<0.1	5.7	811
Case 3
B12 deficiency diagnosis	14.9	86.3	2.1	11	150
Before Metronidazole	13	83.5	2.5	5.5	336
After Metronidazole	13.6	84.1	0.2	6.5	398