Are gi issues like diarrhea common with tigecycline?

Can tigecycline cause diarrhea and other GI side effects?

Tigecycline commonly causes gastrointestinal side effects, including diarrhea. Clinical trials showed diarrhea in 12% of patients, ranking among the highest-frequency adverse events. Other frequent GI issues include nausea in 26% of patients and vomiting in 18%. These figures come from prescribing information and pooled trial data.

How severe can these GI problems become?

Most cases stay mild to moderate and self-limiting. Severe cases, however, may develop into superinfections such as C. difficile-associated diarrhea. C. diff infection rates in tigecycline trials were low at 0.6%, but monitoring for bloody or persistent diarrhea is recommended. Patients who already have baseline GI problems may see their symptoms amplified.

What happens if you stop taking tigecycline?

Stopping tigecycline does not immediately resolve ongoing diarrhea. Residual effects persist for days because the drug remains in the body for an extended half-life of 27-42 hours. Patients often need supportive care such as hydration and rehydration protocols. Re-issuance of tigecycline after previously experiencing GI issues is rare.

When does the patent for tigecycline expire?

The drug's compound patent expired in the US in 2013. Several generic manufacturers entered the market afterward. Secondary patents covering formulations and methods of use still remain active until at2025. Secondary patents covering formulations and methods of use still remain active until at2025.