Generic: AMOXICILLIN AND CLAVULANATE POTASSIUM
1 INDICATIONS AND USAGE 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 less than or equal to 2 mcg/mL), H. influenzae (including β-lactamase-producing strains), or M. catarrhalis (including β-lactamase-producing strains) characterized by the following risk factors: -Antibacterial drug exposure for acute otitis media within the preceding 3 months, and either of the following: 1) age 2 years, or younger or 2) day care attendance [see Microbiology ( Error! Hyperlink reference not valid. )] . Limitations of Use 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 greater than or equal to 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 less than or equal to 2 mcg/mL) and the β-lactamase-producing organisms listed above. Usage 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. Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is a combination of amoxicillin, a penicillin-class antibacterial and clavulanate potassium, a beta-lactamase inhibitor, indicated for the treatment of pediatric patients with • Recurrent or persistent acute otitis media due to S. pneumoniae (penicillin MICs less than or equal to 2 mcg/mL), H. influenzae (including β-lactamase-producing strains), or M. catarrhalis (including β-lactamase-producing strains) characterized by the following risk factors ( 1 ): - Antibacterial exposure for acute otitis media within the preceding 3 months, and either of the following: 1) age 2 years, or younger or 2) daycare attendance Limitations of Use 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 greater than or equal to 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 less than or equal to 2 mcg/mL) and the β-lactamase-producing organisms listed above. ( 1 ) Usage 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 bacteria. ( 1 )
5 WARNINGS AND PRECAUTIONS • Serious (including fatal) hypersensitivity reactions: Discontinue amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL if a reaction occurs. () • Severe Cutaneous Adverse Reactions (SCAR): Monitor closely. Discontinue if rash progresses. () • Drug-induced enterocolitis syndrome (DIES) has been reported with the use of amoxicillin, a component of amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL. If this occurs, discontinue amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and institute appropriate therapy. () • Hepatic dysfunction and cholestatic jaundice: Discontinue if signs/symptoms of hepatitis occur. Monitor liver function tests in patients with hepatic impairment. () • Clostridioides difficile -associated diarrhea (CDAD) (ranging from mild diarrhea to fatal colitis): Evaluate patients if diarrhea occurs. () • Patients with mononucleosis who receive amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL develop skin rash. Avoid amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL use in these patients. () 5.1 Serious Allergic Reactions, Including Anaphylaxis Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterials, including amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL. These reactions are more likely to occur in individuals with a history of penicillin hypersensitivity and/or a history of sensitivity to multiple allergens. 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, discontinue amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL and institute appropriate therapy. 5.2 Severe Cutaneous Adverse Reactions Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL may cause severe cutaneous adverse reactions (SCAR), such as Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms (DRESS), and acute generalized exanthematous pustulosis (AGEP). If patients develop a skin rash, they should be monitored closely, and Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL discontinued if lesions progress. 5.3 Drug-Induced Enterocolitis Syndrome (DIES) Drug-induced enterocolitis syndrome (DIES) has been reported with the use of amoxicillin, a component of amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL, [see Adverse Reactions ( )] , with most cases occurring in pediatric patients ≤18 years of age. DIES is a non-IgE mediated hypersensitivity reaction characterized by protracted vomiting occurring 1 to 4 hours after drug ingestion in the absence of skin or respiratory symptoms. DIES may be associated with pallor, lethargy, hypotension, shock, diarrhea within 24 hours after ingesting amoxicillin, and leukocytosis with neutrophilia. If DIES occurs, discontinue amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and institute appropriate therapy. 5.4 Hepatic Dysfunction Use Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL with caution in patients with evidence of hepatic dysfunction. Hepatic toxicity associated with the use of Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL is usually reversible. Deaths have been reported (fewer than one death reported per estimated four million prescriptions worldwide). These have generally been cases associated with serious underlying diseases or concomitant medications [see Contraindications ( Error! Hyperlink reference not valid. ) and Adverse Reactions ( Error! Hyperlink reference not valid. )] . 5.5 Clostridioides difficile -Associated Diarrhea (CDAD) Clostridioides 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 antibacterial drug 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 antibacterial drug use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibacterial treatment of C. difficile , and surgical evaluation should be instituted as clinically indicated. 5.6 Skin Rash in Patients with Mononucleosis A high percentage of patients with mononucleosis who receive amoxicillin develop an erythematous skin rash. Thus, amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL should not be administered to patients with mononucleosis. 5.7 Potential for Microbial Overgrowth The possibility of superinfections with mycotic or bacterial pathogens should be kept in mind during therapy. If superinfections occur (usually involving Pseudomonas spp. or Candida spp. ), the drug should be discontinued, and appropriate therapy instituted. 5.8 Phenylketonurics Amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL contains aspartame which contains phenylalanine. Each 5 mL of the 600 mg/42.9 mg per 5 mL suspension of amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL Powder for Oral Suspension contains 7 mg phenylalanine. 5.9 Development of Drug-Resistant Bacteria Prescribing amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL in the absence of a proven or strongly suspected bacterial infection or a prophylactic indication is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria.
6 ADVERSE REACTIONS The following are discussed in more detail in other sections of the labeling [see Warnings and Precautions ( Error! Hyperlink reference not valid. )] : • Anaphylactic reactions [see Warnings and Precautions ( Error! Hyperlink reference not valid. )] • Severe Cutaneous Adverse Reactions (SCAR) [see Warnings and Precautions ( Error! Hyperlink reference not valid. )] • Drug-Induced Enterocolitis Syndrome (DIES) [see Warnings and Precautions ( )] • Hepatic Dysfunction [see Warnings and Precautions ( )] • Clostridioides difficile -Associated Diarrhea (CDAD) [see Warnings and Precautions ( )] The most frequently reported adverse reactions were diaper rash (4%), diarrhea (3%), vomiting (2%), candidiasis (1%), and rash (1%). () To report SUSPECTED ADVERSE REACTIONS, contact Hikma Pharmaceuticals USA Inc. at 1-877-233-2001, or the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trial Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Two clinical trials evaluated the safety of a 10-day treatment course of amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL 90/6.4 mg/kg/day, divided every 12 hours, in pediatric patients with acute otitis media [see Clinical Studies ( Error! Hyperlink reference not valid. )]. The first trial involved 521 pediatric patients (3 months to 50 months) and the second trial involved 450 pediatric patients (3 months to 12 years). In the intent-to-treat population of the first trial of 521 patients, the most frequently reported adverse events were vomiting (7%), fever (6%), contact dermatitis (i.e., diaper rash) (6%), upper respiratory tract infection (4%), and diarrhea (4%). Protocol-defined diarrhea (i.e., 3 or more watery stools in one day or 2 watery stools per day for 2 consecutive days as recorded on diary cards) occurred in 13% of patients. The primary objective of the second study was to compare the safety of amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL (90/6.4 mg/kg/day, divided every 12 hours) to amoxicillin and clavulanate potassium (45/6.4 mg/kg/day, divided every 12 hours) for ten days. There was no statistically significant difference between treatments in the proportion of patients with 1 or more adverse events. The most frequently reported adverse reactions for amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL and the comparator of amoxicillin and clavulanate potassium were coughing (12% versus 7%), vomiting (7% versus 8%), contact dermatitis (i.e., diaper rash, 6% versus 5%), fever (6% versus 4%), and upper respiratory infection (3% versus 9%), respectively. The frequencies of protocol-defined diarrhea with amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL (11%) and amoxicillin and clavulanate potassium (9%) were not statistically different. Two patients in the group treated with amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL and one patient in the group treated with amoxicillin and clavulanate potassium were withdrawn due to diarrhea. 6.2 Postmarketing Experience In addition to adverse reactions reported from clinical trials, the following have been identified during postmarketing use of amoxicillin and clavulanate potassium products, including amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. These events have been chosen for inclusion due to a combination of their seriousness, frequency of reporting, or potential causal connection to amoxicillin and clavulanate potassium. Gastrointestinal: Drug-induced enterocolitis syndrome (DIES), black hairy tongue, and hemorrhagic/pseudomembranous colitis. Immune: Hypersensitivity reactions, anaphylactic/anaphylactoid reactions (including shock), angioedema, serum sickness-like reactions (urticaria or skin rash accompanied by arthritis, arthralgia, myalgia, and frequently fever), hypersensitivity vasculitis [see Warnings and Precautions ( Error! Hyperlink reference not valid. )]. Skin and Appendages: Rashes, pruritus, urticaria, erythema multiforme, SJS, TEN, DRESS, AGEP, exfoliative dermatitis, and linear IgA bullous dermatosis. Liver: A moderate rise in AST (SGOT) and/or ALT (SGPT) has been noted in patients treated with ampicillin-class antibacterials. Hepatic dysfunction, including hepatitis and cholestatic jaundice, increases in serum transaminases (AST and/or ALT), serum bilirubin, and/or alkaline phosphatase, has been infrequently reported with amoxicillin and clavulanate potassium or amoxicillin and clavulanate potassium for oral suspension 600 mg/42.9 mg per 5 mL. It has been reported more commonly in the elderly, in males, or in patients on prolonged treatment. The histologic findings on liver biopsy have consisted of cholestatic, hepatocellular, or mixed cholestatic-hepatocellular changes. The onset of signs/symptoms of hepatic dysfunction may occur during or several weeks after therapy has been discontinued. The hepatic dysfunction, which may be severe, is usually reversible. Deaths have been reported [see Contraindications ( Error! Hyperlink reference not valid. ), Warnings and Precautions ( )]. Renal: Interstitial nephritis and hematuria have been reported. Crystalluria has also been reported [see Overdosage ( Error! Hyperlink reference not valid. )]. Hemic and Lymphatic Systems: Anemia, including hemolytic anemia, thrombocytopenia, thrombocytopenic purpura, eosinophilia, leukopenia, and agranulocytosis have been reported during therapy with penicillins. These reactions are usually reversible on discontinuation of therapy and are believed to be hypersensitivity phenomena. There have been reports of increased prothrombin time in patients receiving amoxicillin and clavulanate potassium and anticoagulant therapy concomitantly. Central Nervous System: Agitation, anxiety, behavioral changes, aseptic meningitis, confusion, convulsions, dizziness, insomnia, and reversible hyperactivity have been reported. Miscellaneous: Tooth discoloration (brown, yellow, or gray staining) has been reported. Most reports occurred in pediatric patients. Discoloration was reduced or eliminated with brushing or dental cleaning in most cases.
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