Table 2. Antibiotic-associated gastrointestinal signs for cats that received clindamycin and a placebo or synbiotic.

Mean (± standard deviation) percent food intake compared to the week prior to initiation of the study, percent days vomiting per week, and mean fecal score for 16 healthy cats, eight per group, that received 150 mg clindamycin with either a placebo or synbiotic PO once daily for 21 days.

	Baseline	Treatment
		Week 1	Week 2	Week 3
Food intake (%)
− Placebo	97.8 ± 4.1	89.9 ± 5.5	89.7 ± 11.3	88.1 ± 13.2
− Synbiotic	98.3 ± 4.1	92.7 ± 8.2	94.1 ± 8.4	92.7 ± 11.1
Vomiting (%)
− Placebo	0 ± 0	26.8 ± 22.2	14.3 ± 20.2	9.0 ± 17.0
− Synbiotic	1.8 ± 5.1	21.5 ± 15.3	9.0 ± 15.2	1.8 ± 5.1
Fecal score
− Placebo	2.6 ± 0.8	3.2 ± 0.8	3.5 ± 0.8	3.7 ± 1.3
− Synbiotic	2.7 ± 0.8	3.7 ± 0.9	3.8 ± 0.7	4.2 ± 0.4