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Megapen (Augmentin)

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Megapen is a penicillin antibiotic with a notably broad spectrum of activity. The bi-layer tablets provide an immediate release of amoxicillin and clavulanate potassium and an extended release of amoxicillin. This enhanced formulation prolongs the time that bacteria are exposed to the antibiotic and promotes coverage of tough-to-treat S. pneumoniae.

Other names for this medication:
Aclav, Alfoxil, Alphamox, Amimox, Amixen, Amobay, Amobiotic, Amocla, Amoclan, Amoclane, Amodex, Amoklavin, Amoksiklav, Amolin, Amorion, Amotaks, Amoval, Amoxal, Amoxan, Amoxibeta, Amoxicap, Amoxiclav, Amoxidal, Amoxidin, Amoxiduo, Amoxihexal, Amoxiplus, Amoxival, Amoxsan, Amoxy, Amoxydar, Ampliron, Amylin, Atoksilin, Augmaxcil, Augmentin, Augmex, Augpen, Bactoclav, Betamox, Bioclavid, Biomox, Blumox, Cavumox, Cilamox, Clabat, Clamentin, Clamicil, Clamovid, Clamoxin, Claneksi, Clavam, Clavamel, Clavamox, Clavaseptin, Clavet, Clavinex, Clavipen, Clavobay, Clavubactin, Clavucid, Clavulin, Clavulox, Clavumox, Clonamox, Curam, Dexyclav, Dimopen, Duomox, Enhancin, Exten, Fleming, Fulgram, Germentin, Gimaclav, Gloclav, Glomox, Grinsil, Hiconcil, Himox, Homer, Hymox, Imadrax, Julmentin, Julphamox, Kesium, Klamoks, Klavox, Klavunat, Largopen, Macropen, Maxamox, Medoclav, Megamox, Moxacil, Moxatag, Moxiclav, Moxilen, Moxilin, Moxypen, Myclav, Mymox, Natravox, Neomox, Nisamox, Noprilam, Noroclav, Novaclav, Novamox, Novax, Novocilin, Optamox, Oramox, Origin, Panklav, Pediamox, Pinamox, Ranclav, Ranmoxy, Ranoxyl, Rapiclav, Ronemox, Sulbacin, Suprapen, Synulox, Topcillin, Trifamox, Ultramox, Unimox, Vetrimoxin, Xiclav, Zoxil

Similar Products:
Amoxil, Cipro, Bactrim, Ampicillin, Trimox


Also known as:  Augmentin.


Megapen is a brand name for an antibiotic, called co-amoxiclav, that is used to treat a wide range of conditions, from bronchitis to Lyme disease. It is one of the most commonly prescribed antibiotics for children, frequently dispensed for ear infections.

The drug is a combination of two active ingredients: amoxicillin and clavulanic acid. Together, the drugs fight bacteria that would ordinarily be resistant to amoxicillin alone.


Megapen may be taken without regard to meals; however, absorption of clavulanate potassium is enhanced when Megapen is administered at the start of a meal. To minimize the potential for gastrointestinal intolerance, Megapen should be taken at the start of a meal.

The usual adult dose is one 500-mg tablet of Megapen every 12 hours or one 250-mg tablet of Megapen every 8 hours. For more severe infections and infections of the respiratory tract, the dose should be one 875-mg tablet of Megapen every 12 hours or one 500-mg tablet of Megapen every 8 hours. Adults who have difficulty swallowing may be given the 125 mg/5 mL or 250 mg/5 mL suspension in place of the 500-mg tablet. The 200 mg/5 mL suspension or the 400 mg/5 mL suspension may be used in place of the 875-mg tablet.

Two 250-mg tablets of Megapen should not be substituted for one 500-mg tablet of Megapen. Since both the 250-mg and 500-mg tablets of Megapen contain the same amount of clavulanic acid (125 mg, as the potassium salt), two 250-mg tablets are not equivalent to one 500-mg tablet of Megapen.

The 250-mg tablet of Megapen and the 250-mg chewable tablet should not be substituted for each other, as they are not interchangeable. The 250-mg tablet of Megapen and the 250-mg chewable tablet do not contain the same amount of clavulanic acid (as the potassium salt). The 250-mg tablet of Megapen contains 125 mg of clavulanic acid, whereas the 250-mg chewable tablet contains 62.5 mg of clavulanic acid.


If you take too much this medication, call your healthcare provider or local Poison Control Center, or seek emergency medical attention right away.

If this medication is administered by a healthcare provider in a medical setting, it is unlikely that an overdose will occur. However, if overdose is suspected, seek emergency medical attention.


Store between 20 and 25 degrees C (68 and 77 degrees F) away from moisture and heat. Keep bottle closed tightly. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterials, including Megapen. 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 Megapen, careful inquiry should be made regarding previous hypersensitivity reactions to penicillins, cephalosporins, or other allergens. If an allergic reaction occurs, Megapen should be discontinued and appropriate therapy instituted.

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We are describing a case of undesired side effect of the cure (toxic hepatocellular damage) by Augmentin. The main symptoms were jaundice and pruritus. This is the next documented case of the hepatocellular damage by Augmentin in Poland. In the conclusion, we draw the attention to the role of interview in the diagnosis of the illness described and therapeutic management.

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The role of antibiotic therapy in managing acute bacterial sinusitis (ABS) in children is controversial. The purpose of this study was to determine the effectiveness of high-dose amoxicillin/potassium clavulanate in the treatment of children diagnosed with ABS.

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Fifty patients who underwent tonsillectomy and were randomly divided into three groups were analyzed in this study. Groups I and II received medical and speech therapy including two different phonemes group, and Group III received only medical therapy. For Group I (20 patients) soft palate phonemes and for Group II (20 patients) lips and gingival phonemes were used. The patients who received medical treatment without speech therapy were used as the control group. Postoperative pain levels were recorded with our standard visual analog scale (VAS) forms for each patient during the postoperative 10 days. The pain score of the patients were compared statistically among the three different groups.

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Bacteria in the tooth root canal may cause apical periodontitis. This study examined the bacterial species present in the apical root canal of teeth with apical periodontitis. Antibiotic sensitivity tests were performed to evaluate whether these identified bacterial species were susceptible to specific kinds of antibiotics.

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Recent mastoidectomy may be a risk factor for the development of a post-auricular abscess in children, who develop AOM following cochlear implantation. A treatment algorithm was developed, which emphasizes early operative drainage in conjunction with aggressive antibiotic therapy. Conclusions A consistent approach to the management of mastoiditis in children with cochlear implants has not been established. Rapid initiation of aggressive antibiotic therapy and a low threshold for conservative operative intervention results in effective resolution of infection while allowing preservation of the implant.

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The chronic diffuse sclerosing osteomyelitis (CDSO) of the mandible has been described as an inflammatory disease characterized by recurrent episodes of intense pain in the mandible, often accompanied by trismus, paresthesia and progressive mandibular deformity. The etiopathogeny of this entity is not fully known. The differential diagnosis must be carried out very carefully, and the treatment results are very disappointing. Recently, evidence that suggests that CDSO may be the mandibular location of a more diffuse condition, the synovitis, acne, pustulosis, hyperostosis, osteitis (SAPHO) syndrome, has been offered. We describe two clinical cases of CDSO of typical evolution which fulfill the criteria for SAPHO syndrome, offering us an occasion for a review of the current literature.

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This case of RSH in an elderly patient receiving long-term stable warfarin anticoagulation is probably associated with amoxicillin/clavulanate potassium use and paroxysmal coughing.

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The development of our understanding of the pharmacokinetic (PK) and pharmacodynamic (PD) principles that determine antimicrobial efficacy has advanced substantially over the last 10 years. We are now in a position to use PK/PD principles to set targets for antimicrobial design and optimisation so that we can predict eradication of specific pathogens or resistant variants when agents are used clinically. Optimisation of PK/PD parameters to enable the treatment of resistant pathogens with oral agents may not be possible with many current agents, such as some cephalosporins, macrolides and fluoroquinolones. Aminopenicillins, however, such as amoxicillin, have linear PK and have a good safety profile even at high doses. The new pharmacokinetically enhanced oral formulation of amoxicillin/clavulanate, 2000/125 mg twice daily, was designed using PK/PD principles to be able to eradicate Streptococcus pneumoniae with amoxicillin MICs of up to and including 4 mg/L, which includes most penicillin-resistant isolates. For amoxicillin and amoxicillin/clavulanate, a time above MIC (T > MIC) of 35-40% of the dosing interval (based on blood levels) is predictive of high bacteriological efficacy. This target was met by the design of a unique bilayer tablet incorporating 437.5 mg of sustained-release sodium amoxicillin in one layer plus 562.5 mg of immediate-release amoxicillin trihydrate and 62.5 mg of clavulanate potassium in the second layer, with two tablets administered for each dose. This unique design extends the bacterial killing time by increasing the T > MIC to 49% of the dosing interval against pathogens with MICs of 4 mg/L, and 60% of the dosing interval against pathogens with MICs of 2 mg/L. Based on these results, this new amoxicillin/clavulanate formulation should be highly effective in treating respiratory tract infections due to drug-resistant S. pneumoniae as well as beta-lactamase-producing pathogens, such as Haemophilus influenzae and Moraxella catarrhalis.

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tab megapen dt 2017-09-14

To compare the effectiveness of azithromycin to amoxycillin or amoxycillin Cleocin T Gel How Supplied /clavulanic acid (amoxyclav) in the treatment of LRTI, in terms of clinical failure, incidence of adverse events and microbial eradication.

megapen generic name 2016-08-31

Hundred and thirty-seven consecutive FN were recorded in 128 patients. Twenty-six FN (19%) were managed at home (all of them had a MASCC score ≥ 21); 111 (81%) were treated at hospital of which 37 NF were at HR of complications based on clinical and biological parameters (all of them had a MASCC score < 21) and for 74 of them the admission could be discussed (MASCC < 20 Klavox Dosage or ≥ 20). This group of patients was considerate with intermediate risk (IR). All IR patients were treated with the same antibiotics than outpatients, i.e. ceftriaxone in 36 cases (49%) or amoxicillin/clavulanic acid and ciprofloxacin in 38 cases (51%). For these 74 cases, any severe complication was recorded. Antibiotics were adapted for only 12% of these patients according to bacteriology results.

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We searched the susceptibility of E. coli strains isolated from urine cultures of sick children with urinary tract infections to Nitrofurantoin, Co-trimoxazole, Gentamicin, Ampicillin and Amoxillin-Clavulonic acid. In our study, we compared the results of Farabi Hospital of Black Sea Technical University Medical Faculty, Hacettepe University Medical Faculty Children Clinwas Gel Precio Hospital and Glasgow Royal Hospital for sick children and tried to show their regional and national differences for antibiotic susceptibility.

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Of 413 Enterobacteriaceae isolates, 182 (44.1%) were resistant to amoxicillin-clavulanate, but only 76 (18.4%) were resistant to chloramphenicol. Of 189 isolates of S. pneumoniae, 4 (2.1%) were highly resistant Dumozol Drug to penicillin and 73 (38.8%) were partially resistant, while only 2 (1.1%) were resistant to chloramphenicol. None of the 24 S. pneumoniae isolates causing invasive diseases exhibited resistance to chloramphenicol

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This study involved a multicenter, parallel, double-blind, placebo-controlled, randomized clinical trial. Patients aged 40 years or older, smokers, or ex-smokers of 10 pack-years or more with spirometrically confirmed mild-to-moderate COPD (FEV(1) > 50% predicted and FEV(1)/FVC ratio < 0.7) and diagnosed with an exacerbation were enrolled in the study. The patients were randomized to receive amoxicillin/clavulanate 500/125 mg three times Tab Pulmocef Cv a day or placebo three times a day for 8 days.

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Early treatment of acute pyelonephritis in infants and young children had no significant effect on the incidence of subsequent renal scarring. Furthermore, there was no significant difference in the rate of scarring after acute pyelonephritis when infants and young children were compared with older children. Azatril 250 Mg Pret

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This report describes a case of severe pneumonia associated with Mycoplasma pneumoniae infection and Moraxella catarrhalis bacteraemia in a 44-y-old woman with undiagnosed Buy Amoxil 500mg breast carcinoma. M. pneumoniae is increasingly recognized as a co-pathogen but to the authors' knowledge this is the first reported case of M. catarrhalis bacteraemia associated with M. pneumoniae infection.

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The study showed that infections related to short peripheral Flagyl A Sulfa Drug venous catheters in paediatric general wards in Mulago Hospital occurs and prevalence was 20.72% for tips and 11.3% for hubs.

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We sampled for bacteriological culture the cervical canal of 204 patients who underwent embryo transfer. Of these, 139 (68%) were of fresh embryos, following recent vaginal oocyte retrieval and prophylactic antibiotic therapy, and 65 (32%) of frozen-thawed embryos, without any vaginal intervention in the preceding days. Bacteriological work-up included identification, colony count and antibiotic susceptibility profile. Conception was correlated with bacterial type and colony count.

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All strains of Staphylococcus aureus and Gram negative bacilli (Enterobacteriaceae, Pseudomonas aeruginosa, Acinetobacter) isolated from 01.01 to 03.31.83 were studied using agar diffusion with augmentin-impregnated discs (amoxicillin 20 micrograms + clavulanic acid 10 micrograms). Augmentin is active against penicillinase-producing Staphylococci susceptible to methicillin, whereas methicillin-resistant strains are also resistant to augmentin. According to the susceptibility of strains to amoxicillin, carbenicillin and cefalotin, Enterobacteriaceae can be divided into five main phenotypes, of which four are resistant. "RSR" and "RRR" phenotypes, which are cephalosporinase producers, are chiefly found among Enterobacter, Serratia, Citrobacter and indole + Proteus; in these groups a change in inhibition diameters indicating activity of augmentin is observed only in a significant number of Proteus vulgaris strains. "RRS" and "RRI" strains are penicillinase producers found mainly among E. coli, Klebsiella pneumoniae and oxytoca, and Proteus mirabilis; they emerge as very susceptible to augmentin. Pseudomonas aeruginosa is never susceptible to augmentin. Augmentin is slightly more active than amoxicillin on some Acinetobacter strains but the difference is too inconsiderable to be of clinical significance.