Recently, there have been no new developments specifically related to tigecycline injection. Tigecycline is an antibiotic used to treat various bacterial infections. The drug is available in injectable form and is used when other antibiotics may not be effective. It is important to note that drug development and approvals can be a lengthy process, and updates on specific medications may not occur frequently. However, it is advisable to consult the latest information from reliable sources such as the FDA and medical journals for any updates on tigecycline injection [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/TIGECYCLINE
[2] https://www.fda.gov/drugs/development-resources/tigecycline-injection-products
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8707899/