Tigecycline, available under the brand name Tygacil, is an antibiotic used to treat various bacterial infections. While it is generally well-tolerated, like any medication, it can cause side effects. Common side effects of tigecycline injection may include nausea, vomiting, diarrhea, headache, and dizziness. More serious but rare side effects can include severe allergic reactions, liver problems, and Clostridium difficile-associated diarrhea. It is important to consult with a healthcare provider if any concerning side effects occur while using tigecycline injection. Always follow the guidance of a healthcare professional when using this medication.

Sources:
[1] drugpatentwatch.com
[2] rxlist.com
[3] medscape.com