Does tigecycline dosing change for kidney problems?
Tigecycline, an IV glycylcycline antibiotic for complicated infections, requires no dose adjustments in patients with renal impairment. This holds for mild, moderate, or severe kidney issues, including end-stage renal disease (ESRD) or dialysis. Standard dosing is 100 mg loading dose, then 50 mg every 12 hours.[1][2]
What about tigecycline in dialysis patients?
No changes needed. Tigecycline pharmacokinetics show minimal renal clearance—less than 20% of the dose is excreted unchanged in urine. Most elimination occurs via bile and feces through hepatic metabolism. Hemodialysis and peritoneal dialysis remove negligible amounts, so give full doses without timing around sessions.[1][3]
How does tigecycline compare to other antibiotics in renal dosing?
Unlike renally cleared drugs like vancomycin or aminoglycosides, which demand reductions or monitoring in kidney failure, tigecycline avoids this. It's a go-to option for multidrug-resistant infections in renal patients, though watch for hepatic issues where dose cuts apply (e.g., Child-Pugh C: 100 mg load, then 25 mg q12h).[2][4]
Are there risks or monitoring needs with renal issues?
No tigecycline accumulation occurs in kidney impairment, but monitor for general side effects like nausea (26%), vomiting (18%), or superinfections regardless of renal status. In ESRD, elevated tigecycline levels from studies are clinically insignificant due to its wide therapeutic index. Check liver function if prolonged use.[1][3]
[1]: Tigecycline Prescribing Information (FDA)
[2]: Drugs.com - Tigecycline Dosing
[3]: PubMed - Pharmacokinetics of tigecycline in subjects with renal impairment
[4]: Clinical Pharmacology Review - Tigecycline