Based on the available information, it is difficult to make a definitive statement about the appropriate use of generic tigecycline versions. However, we can provide some context that may help answer this question.

Tigecycline is an antibiotic used to treat serious infections caused by susceptible bacteria. It is available under the brand name Tygacil and, more recently, as a generic version [1][2]. According to the FDA, the approval of generic tigecycline will increase access to this important antibiotic [3].

It is important to note that the use of any antibiotic, including tigecycline, should be based on the susceptibility of the infecting organism and the patient's clinical response. In other words, the decision to use tigecycline should be guided by medical evidence and best practices, not solely by the availability of generic versions.

The Medscape reference on tigecycline provides detailed information on its uses, dosage, side effects, and interactions [4]. Healthcare professionals should consult this and other authoritative sources when making treatment decisions.

In conclusion, while the availability of generic tigecycline may increase access to this important antibiotic, its use should always be based on medical evidence and best practices.

Sources:
[1] DrugPatentWatch. (n.d.). Tradename: TIGECYCLINE. Retrieved from <https://www.drugpatentwatch.com/p/tradename/TIGECYCLINE>
[2] EMPR. (2017, November 21). Generic Approval Increases Availability of Antibiotic Used for Serious Infections. Retrieved from <https://www.empr.com/home/news/generics-news/generic-approval-increases-availability-of-antibiotic-used-for-serious-infections/>
[3] Reference.Medscape. (n.d.). Tigecycline (Tygercil, Tygacil). Retrieved from <https://reference.medscape.com/drug/tygacil-tigecycline-342527>