Clindamycin phosphate injection is contraindicated: i. Clindamycin has neuromuscular blocking effect and may enhance the effect of other neuromuscular blocking agents, so clindamycin should be used with caution in all patients using these drugs. The antagonistic effect between clindamycin and erythromycin and chloramphenicol has clinical significance, and the two drugs should not be used simultaneously. Clindamycin phosphate injection and neomycin, kanamycin, ampicillin, phenytoin sodium, barbiturate, aminophylline, calcium gluconate and magnesium sulfate can produce contraindications. Fourth, clindamycin phosphate injection and opioid analgesics together may aggravate the phenomenon of central respiratory depression. And clindamycin phosphate must be prohibited if you are allergic to it, allergic people should be used with caution.