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Invanz (ertapenem) Disease Interactions

There are 5 disease interactions with Invanz (ertapenem):

Major

Carbapenems (Includes Invanz) ↔ Cns Disorders

Severe Potential Hazard, Moderate plausibility

Applies to: CNS Disorder

The intravenous use of carbapenems has been associated with central nervous system adverse effects such as seizures (up to 1.5%) and, less frequently, somnolence, encephalopathy, myoclonus, tremor, paresthesia, confusion, agitation, depression, and hallucinations. Therapy with carbapenems, regardless of route of administration, should be administered cautiously in patients with or predisposed to seizures or other neurologic disturbances. The normally recommended dosages should not be exceeded in such patients. In those with a known seizure disorder, anticonvulsant therapy should be continued during carbapenem therapy.

References

  1. Duque A, Altimiras J, Garcia-Cases C, Vidal P "Vertigo caused by intravenous imipenem/cilastatin." DICP 25 (1991): 1009
  2. Frucht S, Eidelberg D "Imipenem-induced myoclonus." Mov Disord 12 (1997): 621-2
  3. "Product Information. Primaxin (imipenem)." Merck & Co, Inc, West Point, PA.
View all 15 references
Major

Carbapenems (Includes Invanz) ↔ Renal Dysfunction

Severe Potential Hazard, High plausibility

Applies to: Renal Dysfunction

Carbapenems are primarily eliminated by the kidney. Patients with renal impairment may be at greater risk for adverse effects from carbapenems, including seizures and other central nervous system disturbances, due to decreased drug clearance. Dosage adjustments should be considered, with modifications based on degree of renal impairment and severity of infection in accordance with the individual product package labeling. Renal function tests should be performed periodically during therapy.

References

  1. Leroy A, Fillastre JP, Borsa-Lebas F, Etienne I, Humbert G "Pharmacokinetics of meropenem (ICI 194,660) and its metabolite (ICI 213,689) in healthy subjects and in patients with renal impairment." Antimicrob Agents Chemother 36 (1992): 2794-8
  2. Berman SJ, Sugihara JG, Nakamura JM, et al "Multiple-dose study of imipenem/cilastatin in patients with end-stage renal disease undergoing long-term hemodialysis." Am J Med 78 (1985): 113-6
  3. Wise R, Logan M, Cooper M, Ashby JP, Andrews JM "Meropenem pharmacokinetics and penetration into an inflammatory exudate." Antimicrob Agents Chemother 34 (1990): 1515-7
View all 16 references
Moderate

Antibiotics (Includes Invanz) ↔ Colitis

Moderate Potential Hazard, Moderate plausibility

Applies to: Colitis/Enteritis (Noninfectious)

Pseudomembranous colitis has been reported with most antibacterial agents and may range in severity from mild to life-threatening, with an onset of up to two months following cessation of therapy. Antibiotic therapy can alter the normal flora of the colon and permit overgrowth of Clostridium difficile, whose toxin is believed to be a primary cause of antibiotic- associated colitis. The colitis is usually characterized by severe, persistent diarrhea and severe abdominal cramps, and may be associated with the passage of blood and mucus. The most common culprits are clindamycin, lincomycin, the aminopenicillins (amoxicillin, ampicillin), and the cephalosporins. Therapy with broad-spectrum antibiotics and other agents with significant antibacterial activity should be administered cautiously in patients with a history of gastrointestinal diseases, particularly colitis. There is some evidence that pseudomembranous colitis, if it occurs, may run a more severe course in these patients and that it may be associated with flares in their underlying disease activity. The offending antibiotic(s) should be discontinued if significant diarrhea occurs during therapy. Stool cultures for Clostridium difficile and stool assay for C. difficile toxin may be helpful diagnostically. A large bowel endoscopy may be considered to establish a definitive diagnosis in cases of severe diarrhea.

References

  1. Moriarty HJ, Scobie BA "Pseudomembranous colitis in a patient on rifampicin and ethambutol." N Z Med J 04/23/80 (1980): 294-5
  2. Thomas E, Mehta JB "Pseudomembranous colitis due to oxacillin therapy." South Med J 77 (1984): 532-3
  3. Harmon T, Burkhart G, Applebaum H "Perforated pseudomembranous colitis in the breast-fed infant." J Pediatr Surg 27 (1992): 744-6
View all 47 references
Moderate

Ertapenem (Includes Invanz) ↔ Hemodialysis

Moderate Potential Hazard, High plausibility

Applies to: hemodialysis

Ertapenem is partially removed by hemodialysis. If the recommended daily dose of 500 mg is administered within 6 hours prior to hemodialysis, a supplementary dose of 150 mg is recommended following the dialysis session. If given at least 6 hours prior to hemodialysis, no supplementary dose is needed.

References

  1. "Product Information. Invanz (ertapenem)." Merck & Company Inc, West Point, PA.
Moderate

Ertapenem (Includes Invanz) ↔ Sodium

Moderate Potential Hazard, High plausibility

Applies to: Congestive Heart Failure, Fluid Retention, Hypernatremia, Hypertension

Parenteral ertapenem contains approximately 137 mg (6.0 mEq) of sodium per each gram of ertapenem activity. The sodium content should be considered in patients with conditions that may require sodium restriction, such as congestive heart failure, hypertension, and fluid retention.

References

  1. "Product Information. Invanz (ertapenem)." Merck & Company Inc, West Point, PA.

Invanz (ertapenem) drug Interactions

There are 46 drug interactions with Invanz (ertapenem)

Invanz (ertapenem) alcohol/food Interactions

There is 1 alcohol/food interaction with Invanz (ertapenem)

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.

Do not stop taking any medications without consulting your healthcare provider.

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