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ZYCROX-M 1000mg/200mg

 

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1. Name of the medicinal product

ZYCROZ-M 1000mg/200mg Powder for Solution for Injection or Infusion


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2. Qualitative and quantitative composition

Each vial contains 1000mg amoxicillin (as sodium salt) and 200mg clavulanic acid (as potassium salt).
Each ml of reconstituted solution contains 50mg amoxicillin (as sodium salt) and 10mg clavulanic acid (as potassium salt). Refer to section 6.6 for the method of reconstitution.
Each 1.2g vial of ZYCROZ-M contains 1.0mmol of potassium and 3.1 mmol of sodium (approx).
For a full list of excipients, see section 6.1.


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3. Pharmaceutical form

Powder for solution for injection or infusion.
ZYCROZ-M 1000mg/200mg Powder for Solution for Injection or Infusion is a white or almost white powder.


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4. Clinical particulars


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4.1 Therapeutic indications

ZYCROZ-M is indicated for the treatment of the following infections in adults and children (see sections 4.2, 4.4 and 5.1):
• Severe infections of the ear, nose and throat (such as mastoiditis, peritonsillar infections, epiglottitis and sinusitis when accompanied by severe systemic signs and symptoms)
• Acute exacerbations of chronic bronchitis (adequately diagnosed)
• Community acquired pneumonia
• Cystitis
• Pyelonephritis
• Skin and soft tissue infections in particular cellulitis, animal bites, severe dental abscess with spreading cellulitis.
• Bone and joint infections, in particular osteomyelitis
• Intra-abdominal infections
• Femal genital infections
Prophylaxis against infections associated with major surgical procedures in adults, such as those involving the:
• Gastrointestinal tract
• Pelvic cavity
• Head and neck
• Biliary tract surgery
Consideration should be given to the official guidance on the appropriate use of antibacterial agents.


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4.2 Posology and method of administration

Doses are expressed throughout in terms of amoxicillin/clavulanic acid content except when doses are stated in terms of an individual component.
The dose of ZYCROZ-M that is selected to treat an individual infection should take into account:
• The expected pathogens and their likely susceptibility to antibacterial agents (see section 4.4)
• The severity and the site of the infection
• The age, weight and renal function of the patient as shown below.
The use of alternative presentations of ZYCROZ-M (e.g. those that provide higher doses of amoxicillin and/or different ratios of amoxicillin to clavulanic acid) should be considered as necessary (see sections 4.4 and 5.1)
This ZYCROZ-M powder for solution for injection or infusion provides a total daily dose of 3000mg amoxicillin and 600mg clavulanic acid when administered as recommended below. If it is considered that a higher daily dose of amoxicillin is required it is recommended that an alternative intravenous formulation of ZYCROZ-M is selected in order to avoid administration of unnecessarily high daily doses of clavulanic acid.
The duration of therapy should be determined by the response of the patient. Some infections (e.g. osteomyelitis) require longer periods of treatment. Treatment should not be extended beyond 14 days without review (see section 4.4 regarding prolonged therapy).
Consideration should be given to local guidelines on appropriate dosing frequencies for amoxicillin/clavulanic acid.
Adults and children ≥ 40kg
For treatment of infections as indicated in section 4.1: 1000 mg/ 200 mg every 8 hours


For surgical prophylaxis

For procedures less than 1 hour in duration, the recommended dose of ZYCROZ-M is 1000 mg/200 mg to 2000 mg/200 mg given at induction of anaesthesia (Doses of 2000 mg/200 mg can be achieved by using an alternative intravenous formulation of ZYCROZ-M).
For procedures greater than 1 hour in duration, the recommended dose of ZYCROZ-M is 1000 mg/200 mg to 2000 mg/200 mg given at induction of anaesthesia, with up to 3 doses of 1000 mg/200 mg in 24 hours.
Clear clinical signs of infection at operation will require a normal course of intravenous or oral therapy post-operatively.

Children < 40 kg
Recommended doses:
 Children aged 3 months and over: 25 mg/5 mg per kg every 8 hours
 Children aged less than 3 months or weighing less than 4 kg: 25 mg/5 mg per kg every 12 hours.
Elderly
No dose adjustment is considered necessary.
Renal impairment
Dose adjustments are based on the maximum recommended level of amoxicillin.
No dose adjustment is required in patients with creatinine clearance (CrCl) greater than 30 ml/min.
Adults and children ≥ 40kg


CrCl: 10-30 ml/min

Initial dose of 1000 mg/200 mg and then 500 mg/100 mg given twice daily

CrCl < 10 ml /min

Initial dose of 1000 mg/200 mg and then 500 mg/100 mg given every 24 hours

Haemodialysis

Initial dose of 1000 mg/200 mg and then followed by 500 mg/100 mg every 24 hours, plus a dose of 500 mg/100 mg at the end of dialysis (as serum concentrations of both amoxicillin and clavulanic acid are decreased)

Children < 40 kg


CrCl: 10 to 30 ml/min

25 mg/5 mg per kg given every 12 hours

CrCl < 10 ml /min

25 mg/5 mg per kg given every 24 hours

Haemodialysis

25 mg/5 mg per kg given every 24 hours, plus a dose of 12.5 mg/2.5 mg per kg at the end of dialysis (as serum concentrations of both amoxicillin and clavulanic acid are decreased).

Hepatic impairment
Dose with caution and monitor hepatic function at regular intervals (see sections 4.3 and 4.4).
Method of administration
ZYCROZ-M is for intravenous use.
ZYCROZ-M may be administered either by slow intravenous injection over a period of 3 to 4 min directly into a vein or via a drip tube or by infusion over 30 to 40 min. ZYCROZ-M is not suitable for intramuscular administration.
Children aged less than 3 months should be administered ZYCROZ-M by infusion only.
Treatment with ZYCROZ-M may be initiated by the use of an intravenous preparation and completed with an appropriate oral presentation as considered appropriate for the individual patient.


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4.3 Contraindications

Hypersensitivity to the active substances, to any of the penicillins or to any of the excipients.
History of a severe immediate hypersensitivity reaction (e.g. anaphylaxis) to another β-lactam agent (e.g. a cephalosporin, carbapenem or monobactam).
History of jaundice/hepatic impairment due to amoxicillin/clavulanic acid (see section 4.8).


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4.4 Special warnings and precautions for use

Before initiating therapy with amoxicillin/clavulanic acid, careful enquiry should be made concerning previous hypersensitivity reactions to penicillins, cephalosporins, or other beta-lactam agents
Serious and occasionally fatal hypersensitivity (anaphylactoid) 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 in atopic individuals. If an allergic reaction occurs, amoxicillin/clavulanic acid therapy should be discontinued and appropriate alternative therapy instituted.
In the case that an infection is proven to be due to an amoxicillin-susceptible organisms(s) then consideration should be given to switching from amoxicillin/clavulanic acid to amoxicillin in accordance with official guidance.
This presentation of Co-amoxiclav may not be suitable for use when there is a high risk that the presumptive pathogens have resistance to beta-lactam agents that is not mediated by beta-lactamases susceptible to inhibition by clavulanic acid. As no specific data for T>MIC are available and the data for comparable oral presentations are borderline, this presentation (without additional amoxicillin) may not be suitable for the treatment of penicillin-resistant S. pneumoniae.
Convulsions may occur in patients with impaired renal function or in those receiving high doses (see section 4.8).
Amoxicillin/clavulanic acid should be avoided if infectious mononucleosis is suspected since the occurrence of a morbilliform rash has been associated with this condition following the use of amoxicillin.
Concomitant use of allopurinol during treatment with amoxicillin can increase the likelihood of allergic skin reactions.
Prolonged use may occasionally result in overgrowth of non-susceptible organisms.
The occurrence at the treatment initiation of a feverish generalised erythema associated with pustula may be a symptom of acute generalised exanthemous pustulosis (AGEP) (see Section 4.8). This reaction requires Co-amoxiclav discontinuation and contra-indicates any subsequent administration of amoxicillin.
Amoxicillin/clavulanic acid should be used with caution in patients with evidence of hepatic impairment (see sections 4.2, 4.3 and 4.8).
Hepatic events have been reported predominantly in males and elderly patients and may be associated with prolonged treatment. These events have been very rarely reported in children. In all populations, signs and symptoms usually occur during or shortly after treatment but in some cases may not become apparent until several weeks after treatment has ceased. These are usually reversible. Hepatic events may be severe and in extremely rare circumstances, deaths have been reported. These have almost always occurred in patients with serious underlying disease or taking concomitant medications known to have the potential for hepatic effects (see section 4.8)
Antibiotic-associated colitis has been reported with nearly all antibacterial agents including amoxicillin and may range in severity from mild to life threatening (see section 4.8). Therefore, it is important to consider this diagnosis in patients who present with diarrhoea during or subsequent to the administration of any antibiotics. Should antibiotic-associated colitis occur, Co-amoxiclav should immediately be discontinued, a physician be consulted and an appropriate therapy initiated. Anti-peristaltic drugs are contra-indicated in this situation.
Periodic assessment of organ system functions, including renal, hepatic and haematopoietic function is advisable during prolonged therapy.
Prolongation of prothrombin time has been reported rarely in patients receiving amoxicillin/clavulanic acid. Appropriate monitoring should be undertaken when anticoagulants are prescribed concomitantly. Adjustments in the dose of oral anticoagulants may be necessary to maintain the desired level of anticoagulation (see section 4.5 and 4.8).
In patients with renal impairment, the dose should be adjusted according to the degree of impairment (see section 4.2).
In patients with reduced urine output crystalluria has been observed very rarely, predominantly with parenteral therapy. During administration of high doses of amoxicillin it is advisable to maintain adequate fluid intake and urinary output in order to reduce the possibility of amoxicillin crystalluria. In patients with bladder catheters, a regular check of patency should be maintained (see section 4.9).
During treatment with amoxicillin, enzymatic glucose oxidase methods should be used whenever testing for the presence of glucose in urine because false positive results may occur with non-enzymatic methods.
The presence of clavulanic acid in Co-amoxiclav may cause a non-specific binding of IgG and albumin by red cell membranes leading to a false positive Coombs test.
There have been reports of positive test results using the Bio-Rad Laboratories Platelia Aspergillus EIA test in patients receiving amoxicillin/clavulanic acid who were subsequently found to be free of Aspergillus infection. Cross-reactions with non-Aspergillus polysaccharides and polyfuranoses with Bio-Rad Laboratories Platelia Aspergillus EIA test have been reported. Therefore, positive test results in patients receiving amoxicillin/clavulanic acid should be interpreted cautiously and confirmed by other diagnostic methods.
1000 mg/200 mg powder for solution for injection or infusion
This medicinal product contains 62.9 mg (2.7 mmol) of sodium per vial. To be taken into consideration by patients on a controlled sodium diet.
1000 mg/200 mg powder for solution for injection or infusion
This medicinal product contains 39.3 mg (1.0 mmol) of potassium per vial. To be taken into consideration by patients with reduced kidney function or patients on a controlled potassium diet.


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4.5 Interaction with other medicinal products and other forms of interaction

Oral anticoagulants
Oral anticoagulants and penicillin antibiotics have been widely used in practice without reports of interaction. However, in the literature there are cases of increased international normalised ratio in patients maintained on acenocoumarol or warfarin and prescribed a course of amoxicillin. If co-administration is necessary, the prothrombin time or international normalised ratio should be carefully monitored with the addition or withdrawal of amoxicillin. Moreover, adjustments in the dose of oral anticoagulants may be necessary (see sections 4.4 and 4.8).
Methotrexate
Penicillins may reduce the excretion of methotrexate causing a potential increase in toxicity.
Probenecid
Concomitant use of probenecid is not recommended. Probenecid decreases the renal tubular secretion of amoxicillin. Concomitant use of probenecid may result in increased and prolonged blood levels of amoxicillin but not of clavulanic acid.


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4.6. Pregnancy and lactation

Pregnancy
Animal studies do not indicate direct or indirect harmful effects with respect to pregnancy, embryonal/foetal development, parturition or postnatal development (see section 5.3). Limited data on the use of amoxicillin/clavulanic acid during pregnancy in humans do not indicate an increased risk of congenital malformations. In a single study in women with preterm, premature rupture of the foetal membrane it was reported that prophylactic treatment with amoxicillin/clavulanic acid may be associated with an increased risk of necrotising enterocolitis in neonates. Use should be avoided during pregnancy, unless considered essential by the physician.
Lactation
Both substances are excreted into breast milk (nothing is known of the effects of clavulanic acid on the breast-fed infant). Consequently, diarrhoea and fungus infection of the mucous membranes are possible in the breast-fed infant, so that breast-feeding might have to be discontinued.
Amoxicillin/clavulanic acid should only be used during breast-feeding after benefit/risk assessment by the physician in charge.


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4.7 Effects on ability to drive and use machines

No studies on the effects on the ability to drive and use machines have been performed. However, undesirable effects may occur (e.g. allergic reactions, dizziness, convulsions), which may influence the ability to drive and use machines (see section 4.8).


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4.8 Undesirable effects

The most commonly reported adverse drug reactions (ADRs) are diarrhoea, nausea, and vomiting.
The ADRs derived from clinical studies and post-marketing surveillance with Co-amoxiclav, sorted by MedDRA System Organ Class are listed below.
The following terminologies have been used in order to classify the occurrence of undesirable effects.
Very common (≥ 1/10)
Common (≥ 1/100 to <1/10)
Uncommon (≥ 1/1,000 to <1/100)
Rare (≥ 1/10,000 to <1/1,000)
Very rare (<1/10,000)
Not known (cannot be estimated from the available data)


Infections and infestations

Mucocutaneous candidosis

Common

Overgrowth of non-susceptible organisms

Not known

Blood and lymphatic system disorders

Reversible leucopenia (including neutropenia)

Rare

Thrombocytopenia

Rare

Reversible agranulocytosis

Not known

Haemolytic anaemia

Not known

Prolongation of bleeding time and prothrombin time1

Not known

Immune system disorders10

Angioneurotic oedema

Not known

Anaphylaxis

Not known

Serum sickness-like syndrome

Not known

Hypersensitivity vasculitis

Not known

Nervous system disorders

Dizziness

Uncommon

Headache

Uncommon

Convulsions2

Not known

Vascular disorders

Thrombophlebitis3

Rare

Gastrointestinal disorders

Diarrhoea

Common

Nausea

Uncommon

Vomiting

Uncommon

Indigestion

Uncommon

Antibiotic-associated colitis4

Not known

Hepatobiliary disorders

Rises in AST and/or ALT5

Uncommon

Hepatitis6

Not known

Cholestatic jaundice6

Not known

Skin and subcutaneous tissue disorders 7

Skin rash

Uncommon

Pruritus

Uncommon

Urticaria

Uncommon

Erythema multiforme

Rare

Stevens-Johnson syndrome

Not known

Toxic epidermal necrolysis

Not known

Bullous exfoliative-dermatitis

Not known

Acute generalised exanthemous pustulosis (AGEP)9

Not known

Renal and urinary disorders

 

Interstitial nephritis

Not known

Crystalluria8

Not known

1 See section 4.4
2 See section 4.4
3 At the site of injection
4 Including pseudomembranous colitis and haemorrhagic colitis (see section 4.4)
5 A moderate rise in AST and/or ALT has been noted in patients treated with beta-lactam class antibiotics, but the significance of these findings is unknown.
6 These events have been noted with other penicillins and cephalosporins (see section 4.4).
7 If any hypersensitivity dermatitis reaction occurs, treatment should be discontinued (see section 4.4).
8 See section 4.9
9 See section 4.4
10 See sections 4.3 and 4.4


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4.9 Overdose

Symptoms and signs of overdose
Gastrointestinal symptoms and disturbance of the fluid and electrolyte balances may be evident. Amoxicillin crystalluria, in some cases leading to renal failure, has been observed (see section 4.4).
Convulsions may occur in patients with impaired renal function or in those receiving high doses.
Amoxicillin has been reported to precipitate in bladder catheters, predominantly after intravenous administration of large doses. A regular check of patency should be maintained (see section 4.4).
Treatment of intoxication
Gastrointestinal symptoms may be treated symptomatically, with attention to the water/electrolyte balance.
Amoxicillin/clavulanic acid can be removed from the circulation by haemodialysis.


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5. Pharmacological properties


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5.1 Pharmacodynamic properties

Pharmacotherapeutic group: Combinations of penicillins, incl. beta-lactamase inhibitors; ATC code: J01CR02.
Mode of action
Amoxicillin is a semisynthetic penicillin (beta-lactam antibiotic) that inhibits one or more enzymes (often referred to as penicillin-binding proteins, PBPs) in the biosynthetic pathway of bacterial peptidoglycan, which is an integral structural component of the bacterial cell wall. Inhibition of peptidoglycan synthesis leads to weakening of the cell wall, which is usually followed by cell lysis and death.
Amoxicillin is susceptible to degradation by beta-lactamases produced by resistant bacteria and therefore the spectrum of activity of amoxicillin alone does not include organisms which produce these enzymes.
Clavulanic acid is a beta-lactam structurally related to penicillins. It inactivates some beta-lactamase enzymes thereby preventing inactivation of amoxicillin. Clavulanic acid alone does not exert a clinically useful antibacterial effect.
PK/PD relationship
The time above the minimum inhibitory concentration (T>MIC) is considered to be the major determinant of efficacy for amoxicillin.
Mechanisms of resistance
The two main mechanisms of resistance to amoxicillin/clavulanic acid are:
• Inactivation by those bacterial beta-lactamases that are not themselves inhibited by clavulanic acid, including class B, C and D.
• Alteration of PBPs, which reduce the affinity of the antibacterial agent for the target.
Impermeability of bacteria or efflux pump mechanisms may cause or contribute to bacterial resistance, particularly in Gram-negative bacteria.
Breakpoints
MIC breakpoints for amoxicillin/clavulanic acid are those of the European Committee on Antimicrobial Susceptibility Testing (EUCAST)


Organism

Susceptibility Breakpoints (µg/ml)

 

Susceptible

Intermediate

Resistant

Haemophilus influenzae1

≤ 1

-

> 1

Moraxella catarrhalis1

≤ 1

-

> 1

Staphylococcus aureus 2

≤ 2

-

> 2

Coagulase-negative staphylococci 2

≤ 0.25

-

> 0.25

Enterococcus1

≤ 4

8

> 8

Streptococcus A, B, C, G5

≤ 0.25

-

> 0.25

Streptococcus pneumoniae3

≤ 0.5

1-2

> 2

Enterobacteriaceae1,4

-

-

> 8

Gram-negative Anaerobes1

≤ 4

8

> 8

Gram-positive Anaerobes1

≤ 4

8

> 8

Non-species related breakpoints1

≤ 2

4-8

> 8

1 The reported values are for Amoxicillin concentrations. For susceptibility testing purposes, the concentration of Clavulanic acid is fixed at 2 mg/l.
2 The reported values are Oxacillin concentrations.
3 Breakpoint values in the table are based on Ampicillin breakpoints.
4 The resistant breakpoint of R>8 mg/l ensures that all isolates with resistance mechanisms are reported resistant.
5 Breakpoint values in the table are based on Benzylpenicillin breakpoints.

The prevalence of resistance may vary geographically and with time for selected species, and local information on resistance is desirable, particularly when treating severe infections. As necessary, expert advice should be sought when the local prevalence of resistance is such that the utility of the agent in at least some types of infections is questionable.


Commonly susceptible species

Aerobic Gram-positive micro-organisms
Enterococcus faecalis
Gardnerella vaginalis
Staphylococcus aureus (methicillin-susceptible)£
Streptococcus agalactiae
Streptococcus pneumoniae1
Streptococcus pyogenes and other beta-haemolytic streptococci
Streptococcus viridans group
Aerobic Gram-negative micro-organisms
Actinobacillus actinomycetemcomitans
Capnocytophaga spp.
Eikenella corrodens
Haemophilus influenzae2
Moraxella catarrhalis
Neisseria gonorrhoeae§
Pasteurella multocida
Anaerobic micro-organisms
Bacteroides fragilis
Fusobacterium nucleatum
Prevotella spp.

Species for which acquired resistance may be a problem

Aerobic Gram-positive micro-organisms
Enterococcus faecium $
Aerobic Gram-negative micro-organisms
Escherichia coli
Klebsiella oxytoca
Klebsiella pneumoniae
Proteus mirabilis
Proteus vulgaris

Inherently resistant organisms

Aerobic Gram-negative micro-organisms
Acinetobacter sp.
Citrobacter freundii
Enterobacter sp.
Legionella pneumophila
Morganella morganii
Providencia spp.
Pseudomonas sp.
Serratia sp.
Stenotrophomonas maltophilia
Other micro-organisms
Chlamydia trachomatis
Chlamydophila pneumoniae
Chlamydophila psittaci
Coxiella burnetti
Mycoplasma pneumoniae

$ Natural intermediate susceptibility in the absence of acquired mechanism of resistance.
£ All methicillin-resistant staphylococci are resistant to amoxicillin/clavulanic acid.
§ All strains with resistance to amoxicillin that is not mediated by beta-lactamases are resistant to amoxicillin/clavulanic acid.
1 This presentation of amoxicillin/clavulanic acid may not be suitable for treatment of Streptococcus pneumoniae that are resistant to penicillin (see sections 4.2 and 4.4).
2 Strains with decreased susceptibility have been reported in some countries in the EU with a frequency higher than 10%.


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5.2 Pharmacokinetic properties

Absorption
The pharmacokinetic results for studies in which amoxicillin/clavulanic acid was administered to groups of healthy volunteers as either 500 mg/100 mg or 1000 mg/200 mg given as a bolus intravenous injection are presented below.


Mean ( ±SD) pharmacokinetic parameters
Bolus intravenous injection

Dose administered

Amoxicillin

Dose

Mean peak serum conc (µg/ml)

T 1/2 (h)

AUC (h.mg/l)

Urinary recovery (%, 0 to 6 h )

AMX/CA 500 mg/100 mg

500 mg

32.2

1.07

25.5

66.5

AMX/CA 1000 mg/200 mg

1000 mg

105.4

0.9

76.3

77.4

 

Clavulanic acid

AMX/CA 500 mg/100 mg

100mg

10.5

1.12

9.2

46.0

AMX/CA 1000 mg/200 mg

200mg

28.5

0.9

27.9

63.8

 

AMX – amoxicillin, CA –clavulanic acid

Distribution
About 25% of total plasma clavulanic acid and 18% of total plasma amoxicillin is bound to protein. The apparent volume of distribution is around 0.3-0.4 l/kg for amoxicillin and around 0.2 l/kg for clavulanic acid.
Following intravenous administration, both amoxicillin and clavulanic acid have been found in gall bladder, abdominal tissue, skin, fat, muscle tissues, synovial and peritoneal fluids, bile and pus. Amoxicillin does not adequately distribute into the cerebrospinal fluid.
From animal studies there is no evidence for significant tissue retention of drug-derived material for either component. Amoxicillin, like most penicillins, can be detected in breast milk. Trace quantities of clavulanic acid can also be detected in breast milk (see section 4.6).
Biotransformation
Amoxicillin is partly excreted in the urine as the inactive penicilloic acid in quantities equivalent to up to 10 to 25% of the initial dose. Clavulanic acid is extensively metabolized in man, and eliminated in urine and faeces and as carbon dioxide in expired air.
Elimination
The major route of elimination for amoxicillin is via the kidney, whereas for clavulanic acid it is by both renal and non-renal mechanisms.
Amoxicillin/clavulanic acid has a mean elimination half-life of approximately one hour and a mean total clearance of approximately 25 l/h in healthy subjects. Approximately 60 to 70% of the amoxicillin and approximately 40 to 65% of the clavulanic acid are excreted unchanged in urine during the first 6 h after administration of a single 500/100 mg or a single 1000/200 mg bolus intravenous injection. Various studies have found the urinary excretion to be 50-85% for amoxicillin and between 27-60% for clavulanic acid over a 24 hour period. In the case of clavulanic acid, the largest amount of drug is excreted during the first 2 hours after administration.
Concomitant use of probenecid delays amoxicillin excretion but does not delay renal excretion of clavulanic acid (see section 4.5)
Age
The elimination half-life of amoxicillin is similar for children aged around 3 months to 2 years and older children and adults. For very young children (including preterm newborns) in the first week of life the interval of administration should not exceed twice daily administration due to immaturity of the renal pathway of elimination. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.
Renal impairment
The total serum clearance of amoxicillin/clavulanic acid decreases proportionately with decreasing renal function. The reduction in drug clearance is more pronounced for amoxicillin than for clavulanic acid, as a higher proportion of amoxicillin is excreted via the renal route. Doses in renal impairment must therefore prevent undue accumulation of amoxicillin while maintaining adequate levels of clavulanic acid (see section 4.2).
Hepatic impairment
Hepatically impaired patients should be dosed with caution and hepatic function monitored at regular intervals.


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5.3 Preclinical safety data

Nonclinical data reveal no special hazard for humans based on studies of safety pharmacology, genotoxicity and toxicity to reproduction.
Repeat dose toxicity studies performed in dogs with amoxicillin/clavulanic acid demonstrate gastric irritancy and vomiting, and discoloured tongue.
Carcinogenicity studies have not been conducted with Co-amoxiclav or its components


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6. Pharmaceutical particulars


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6.1 List of excipients

None


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6.2 Incompatibilities

Co-amoxiclav Injection should not be mixed with blood products, other proteinaceous fluids such as protein hydrolysates or with intravenous lipid emulsions.
If co-amoxiclav is prescribed concurrently with an aminoglycoside, the antibiotics should not be mixed in the syringe, intravenous fluid container or giving set because loss of activity of the aminoglycoside can occur under these conditions.
This medicinal product must not be mixed with other medicinal products except those mentioned in section 6.6.


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6.3 Shelf life

As packed for sale: two years.
Use the reconstituted solution immediately. Discard any unused solution.


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6.4 Special precautions for storage

Do not store above 25°C.
Keep the vial in the outer carton in order to protect from light.


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6.5 Nature and contents of container

Clear 20ml glass vials (Ph.Eur Type II) with a red chlorobutyl stopper and aluminium-propylene flip-off cap.


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6.6 Special precautions for disposal and other handling

No special requirements.
Any unused product or waste material should be disposed of in accordance with local requirements
Preparation of solutions for intravenous injection
1000 mg/200 mg powder for solution for injection or infusion
Water for Injection Ph.Eur. is the normal solvent. Co-amoxiclav 1000 mg/200 mg should be dissolved in 20 ml of solvent. This yields approximately 20.9 ml of solution for single-dose use. A transient pink colouration may or may not develop during reconstitution. Reconstituted solutions are normally colourless or a pale straw colour.
Co-amoxiclav should be administered within 20 min of reconstitution.
Preparation of solutions for intravenous infusion
Co-amoxiclav vials are not suitable for multi-dose use.
1000 mg/200 mg powder for solution for injection or infusion
Co-amoxiclav should be reconstituted as described above for injection. Without delay the reconstituted solution should be added to 100 ml of infusion fluid using a minibag or in-line burette.

 

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