Amoxicillin And Clavulanate Potassium Suspension

Amoxicillin And Clavulanate Potassium Suspension

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Questions & Answers

Side Effects & Adverse Reactions

SERIOUS AND OCCASIONALLY FATAL HYPERSENSITIVITY (ANAPHYLACTIC) REACTIONS HAVE BEEN REPORTED IN PATIENTS ON PENICILLIN THERAPY. THESE REACTIONS ARE MORE LIKELY TO OCCUR IN INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY AND/OR A HISTORY OF SENSITIVITY TO MULTIPLE ALLERGENS. THERE HAVE BEEN REPORTS OF INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY WHO HAVE EXPERIENCED SEVERE REACTIONS WHEN TREATED WITH CEPHALOSPORINS. BEFORE INITIATING THERAPY WITH AMOXICILLIN AND CLAVULANATE POTASSIUM FOR ORAL SUSPENSION, 600 MG/42.9 MG PER 5 ML, CAREFUL INQUIRY SHOULD BE MADE CONCERNING PREVIOUS HYPERSENSITIVITY REACTIONS TO PENICILLINS, CEPHALOSPORINS, OR OTHER ALLERGENS. IF AN ALLERGIC REACTION OCCURS, AMOXICILLIN AND CLAVULANATE POTASSIUM FOR ORAL SUSPENSION, 600 MG/42.9 MG PER 5 ML SHOULD BE DISCONTINUED AND THE APPROPRIATE THERAPY INSTITUTED. SERIOUS ANAPHYLACTIC REACTIONS REQUIRE IMMEDIATE EMERGENCY TREATMENT WITH EPINEPHRINE. OXYGEN, INTRAVENOUS STEROIDS, AND AIRWAY MANAGEMENT, INCLUDING INTUBATION, SHOULD ALSO BE ADMINISTERED AS INDICATED.

Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon leading to overgrowth of C. difficile.

C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibiotic use. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents.

If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.

Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be used with caution in patients with evidence of hepatic dysfunction. Hepatic toxicity associated with the use of amoxicillin/clavulanate potassium is usually reversible. On rare occasions, deaths have been reported (less than 1 death reported per estimated 4 million prescriptions worldwide). These have generally been cases associated with serious underlying diseases or concomitant medications. (See CONTRAINDICATIONS and ADVERSE REACTIONS — Liver.)

Legal Issues

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FDA Safety Alerts

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Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is indicated for the treatment of pediatric patients with recurrent or persistent acute otitis media due to S. pneumoniae (penicillin MICs ≤2 mcg/mL), H. influenzae (including β-lactamase–producing strains), or M. catarrhalis (including β-lactamase–producing strains) characterized by the following risk factors:

  • antibiotic exposure for acute otitis media within the preceding 3 months, and either of the following:
    • – age ≤2 years
    • – daycare attendance

[See CLINICAL PHARMACOLOGY, Microbiology.]

NOTE: Acute otitis media due to S. pneumoniae alone can be treated with amoxicillin. Amoxicillin and Clavulanate Potassium for oral suspension, 600 mg/42.9 mg per 5 mL is not indicated for the treatment of acute otitis media due to S. pneumoniae with penicillin MIC ≥4 mcg/mL.

Therapy may be instituted prior to obtaining the results from bacteriological studies when there is reason to believe the infection may involve both S. pneumoniae (penicillin MIC ≤2 mcg/mL) and the β-lactamase–producing organisms listed above.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and other antibacterial drugs, amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

History

There is currently no drug history available for this drug.

Other Information

Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL is an oral antibacterial combination consisting of the semisynthetic antibiotic amoxicillin and the ß-lactamase inhibitor, clavulanate potassium (the potassium salt of clavulanic acid). Amoxicillin is an analog of ampicillin, derived from the basic penicillin nucleus, 6-aminopenicillanic acid. The amoxicillin molecular formula is C16H19N3O5S•3H2O, and the molecular weight is 419.46. Chemically, amoxicillin is (2S,5R,6R)-6-[(R)-(-)-2-Amino-2-(p-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate and may be represented structurally as:

Amoxicillin structure

Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus. It is a ß-lactam structurally related to the penicillins and possesses the ability to inactivate a wide variety of ß-lactamases by blocking the active sites of these enzymes. Clavulanic acid is particularly active against the clinically important plasmid-mediated ß-lactamases frequently responsible for transferred drug resistance to penicillins and cephalosporins. The clavulanate potassium molecular formula is C8H8KNO5 and the molecular weight is 237.25. Chemically, clavulanate potassium is potassium (Z)-(2R,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]-heptane-2-carboxylate and may be represented structurally as:

Clavulanate structure

Inactive Ingredients: Powder for Oral Suspension Aspartame, colloidal silicon dioxide, hypromellose, orange powder flavor, silicon dioxide, succinic acid, xanthan gum.

  • See PRECAUTIONS–Information for the Patient/Phenylketonurics.

Each 5 mL of reconstituted suspension contains 600 mg amoxicillin as the trihydrate and 42.9 mg clavulanic acid as the potassium salt (clavulanate potassium).

Each 5 mL of reconstituted amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL contains 0.248 mEq potassium.

Amoxicillin And Clavulanate Potassium Suspension Manufacturers


  • West-ward Pharmaceutical Corp
    Amoxicillin And Clavulanate Potassium Suspension [West-ward Pharmaceutical Corp]
  • Rebel Distributors Corp.
    Amoxicillin And Clavulanate Potassium Suspension [Rebel Distributors Corp.]
  • Sandoz Inc
    Amoxicillin And Clavulanate Potassium Suspension [Sandoz Inc]
  • Physicians Total Care, Inc.
    Amoxicillin And Clavulanate Potassium Suspension [Physicians Total Care, Inc.]

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