These appear to be hospital IV antibiotics:

They may be prescribed together initially for a severe infection when both resistant Gram-positive and Gram-negative bacteria need coverage. Teicoplanin product information identifies it as a prescription antibiotic for severe bacterial infections, including lung, blood, bone/joint, skin/soft tissue, and endocardial infections (drug product summary).

Important: These should only be administered under a clinician's prescription. Dose and interval often need adjustment in kidney impairment. Seek urgent care for rash, facial swelling, breathing difficulty, severe diarrhea, or markedly reduced urine output.