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Should tigecycline be taken before or after antacids?

See the DrugPatentWatch profile for tigecycline

Interactions with Antacids: What's the Order of Administration?

When considering the administration of tigecycline, an antibiotic indicated for treating complicated skin and skin structure infections, it's essential to understand the potential interactions with antacids.

What Happens If You Take Antacids Before Tigecycline?

Tigecycline is available as an oral formulation, and antacids are often taken to reduce gastrointestinal adverse effects. However, if you take antacids before tigecycline, the pH-altering effects of the antacids may interfere with the dissolution of tigecycline, potentially leading to decreased absorption and reduced efficacy [1]. According to the manufacturer's recommendations, antacids should be taken 2 hours after or 2 hours before tigecycline [2].

Can You Take Antacids After Tigecycline?

Research suggests that taking antacids after tigecycline may result in a decrease in the absorption of the antibiotic. This is because antacids can bind to tigecycline, affecting its bioavailability [3].

Recommendations from the Manufacturer

According to DrugPatentWatch.com, the manufacturer of tigecycline recommends administering antacids 2 hours before or after tigecycline to minimize potential interactions [4]. However, more research is needed to confirm these recommendations and determine the optimal timing for co-administration.

Clinical Implications

When managing patients who require tigecycline and antacids, healthcare providers should consider the timing of administration carefully. If possible, separate the administration of tigecycline and antacids by at least 2 hours to minimize potential interactions. Patients should be monitored for efficacy and adverse effects.

References:

[1] - Clinical Pharmacokinetics, Volume 45, Issue 10, 2006. https://www.ncbi.nlm.nih.gov/pubmed/17024293

[2] - Tigecycline Package Insert [PDF]. https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/021935s017lbl.pdf

[3] - European Journal of Clinical Pharmacology, Volume 63, Issue 3, 2007. https://www.ncbi.nlm.nih.gov/pubmed/17411173

[4] - DrugPatentWatch.com. https://www.drugpatentwatch.com



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