Tigecycline injection, a medication used to treat various bacterial infections, may cause certain side effects. Common side effects include nausea, vomiting, diarrhea, headache, and dizziness. More serious side effects that may require medical attention include severe diarrhea, abdominal or stomach pain, unusual tiredness or weakness, yellow eyes or skin, and signs of an allergic reaction such as rash, itching, swelling, severe dizziness, or trouble breathing. It is important to consult a healthcare professional if any of these side effects occur or persist. Always follow the guidance of your healthcare provider regarding the use of tigecycline injection.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/TIGECYCLINE
[2] https://www.mayoclinic.org/drugs-supplements/tigecycline-intravenous-route/side-effects/drg-20072556?p=1
[3] https://medlineplus.gov/druginfo/meds/a614002.html