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Cedax (Ceftibuten Dihydrate) - Drug Interactions, Contraindications, Overdosage, etc

 
 



DRUG INTERACTIONS

Theophylline

Twelve healthy male volunteers were administered one 200-mg ceftibuten capsule twice daily for 6 days. With the morning dose of ceftibuten on day 6, each volunteer received a single intravenous infusion of theophylline (4 mg/kg). The pharmacokinetics of theophylline were not altered. The effect of ceftibuten on the pharmacokinetics of theophylline administered orally has not been investigated.

Antacids or H2-receptor antagonists

The effect of increased gastric pH on the bioavailability of ceftibuten was evaluated in 18 healthy adult volunteers. Each volunteer was administered one 400-mg ceftibuten capsule. A single dose of liquid antacid did not affect the Cmax or AUC of ceftibuten; however, 150 mg of ranitidine q12h for 3 days increased the ceftibuten Cmax by 23% and ceftibuten AUC by 16%. The clinical relevance of these increases is not known.

OVERDOSAGE

Overdosage of cephalosporins can cause cerebral irritation leading to convulsions. Ceftibuten is readily dialyzable and significant quantities (65% of plasma concentrations) can be removed from the circulation by a single hemodialysis session. Information does not exist with regard to removal of ceftibuten by peritoneal dialysis.

CONTRAINDICATIONS

CEDAX (ceftibuten) is contraindicated in patients with known allergy to the cephalosporin group of antibiotics.

REFERENCES

  1. National Committee for Clinical Laboratory Standards. Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically – Third Edition. Approved Standard NCCLS Document M7-A3, Vol. 13, No. 25, NCCLS, Villanova, PA. December, 1993.
  2. National Committee for Clinical Laboratory Standards. Performance Standards for Antimicrobial Disk Susceptibility Tests – Fifth Edition. Approved Standard NCCLS Document M2-A5, Vol. 13, No. 24, NCCLS, Villanova, PA. December, 1993.

For inquires call 1-800-793-2145

Manufactured by:

Merck Sharp & Dohme Corp., a subsidiary of

MERCK & CO., INC.

Whitehouse Station, NJ 08889, USA

Distributed by Pernix Therapeutics, LLC

Magnolia, TX 77354, USA

Rev. 08/12


34459029

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