Augmentin/Augmentin ES

Augmentin/Augmentin ES Drug Interactions

amoxicillin + clavulanic acid

Manufacturer:

GlaxoSmithKline

Distributor:

Zuellig
Full Prescribing Info
Drug Interactions
Concomitant use of probenecid is not recommended. Probenecid decreases the renal tubular secretion of amoxicillin. Concomitant use with amoxicillin-clavulanate may result in increased and prolonged blood levels of amoxicillin, but not of clavulanic acid.
Concomitant use of allopurinol during treatment with amoxicillin can increase the likelihood of allergic skin reactions. There are no data on the concomitant use of Co-amoxiclav (Augmentin) and allopurinol.
In common with other antibiotics, Co-amoxiclav (Augmentin) may affect the gut flora, leading to lower oestrogen reabsorption and reduced efficacy of combined oral contraceptives.
In the literature there are rare 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 Co-amoxiclav (Augmentin).
In patients receiving mycophenolate mofetil, reduction in pre-dose concentration of the active metabolite mycophenolic acid of approximately 50% has been reported following commencement of oral amoxicillin plus clavulanic acid. The change in pre-dose level may not accurately represent changes in overall MPA exposure.
Augmentin: The presence of clavulanic acid in Co-amoxiclav (Augmentin) may cause a non-specific binding of IgG and albumin by red cell membranes leading to a false positive Coombs test.
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