augmentin xr
Augmentin XR is a combination medicine containing Amoxicillin and Clavulanate Potassium.
Amoxicillin and Clavulanate Potassium · by US Antibiotics
Available as a generic: Amoxicillin and Clavulanate Potassium
Key facts
- Active ingredient
- Amoxicillin and Clavulanate Potassium
- Form
- Tablet, extended release
- Strength
- Amoxicillin 1GM; Clavulanate Potassium EQ 62.5MG Base
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- US Antibiotics
- Half-life
- about 1 hour (roughly 61 minutes) (how long it stays in your system)
- What the pharmacy pays
- ~$0.04 per ml — not your price
- FDA application
- NDA050785
What is Augmentin XR?
From the FDA label:Amoxicillin and Clavulanate Potassium Extended Release Tablets is an oral antibacterial combination consisting of the semisynthetic antibacterial amoxicillin (present as amoxicillin sodium and amoxicillin trihydrate) and the beta-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 trihydrate molecular formula is C16H19N3O5S•3H2O, and the molecular weight is 419.45. Chemically, amoxicillin trihydrate 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: The amoxicillin sodium molecular formula is C16H18N3NaO5S, and the molecular weight is 387.39. Chemically, amoxicillin sodium is [2 -[2α,5α,6β(S*)]]-6-[[Amino (4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid monosodium salt and may be represented structurally as: Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus. It is a beta-lactam structurally related to the penicillins and possesses the ability to inactivate a wide variety of beta-lactamases by blocking the active sites of these enzymes. Clavulanic acid is particularly active against the clinically important…
How to use
Adults and Pediatric Patients weighing greater than or equal to 40 kg who are able to swallow tablets: The recommended dosage of Amoxicillin and Clavulanate Potassium Extended Release Tablets is 4,000 mg/250 mg daily in divided doses at the start of a meal according to the following table. (2) Indication Dose Duration Acute bacterial sinusitis Two (1,000 mg/62.5 mg) tablets every 12 hours 10 days Community-acquired pneumonia Two (1,000 mg/62.5 mg) tablets every 12 hours 7 to 10 days 2.1 Important Administration Instructions Amoxicillin and Clavulanate Potassium Extended Release Tablets should be taken at the start of a meal to enhance the absorption of amoxicillin and to minimize the potential for gastrointestinal intolerance. Amoxicillin and Clavulanate Potassium Extended Release Tablets is not recommended to be taken with a high-fat meal because clavulanate absorption is decreased [see Clinical Pharmacology (12.3) ]. 2.2 Dosage in Adults Patients The recommended dosage of Amoxicillin and Clavulanate Potassium Extended Release Tablets is 4,000 mg/250 mg daily in divided doses according to the following table: Table 1: Recommended Dosage of Amoxicillin and Clavulanate Potassium Extended Release Tablets in Adult Patients Indication Dose Duration Acute bacterial sinusitis Two (1,000 mg/62.5 mg) tablets every 12 hours 10 days Community-acquired pneumonia Two (1,000 mg/62.5 mg)…
Side effects
The following clinically significant adverse reactions are described elsewhere in the labeling: Anaphylactic reactions [see Warnings and Precautions (5.1) ] Severe Cutaneous Adverse Reactions [see Warnings and Precautions (5.2) ] Drug-Induced Enterocolitis Syndrome (DIES) [see Warnings and Precautions (5.3) ] Hepatic Dysfunction [see Warnings and Precautions (5.4) ] Clostridioides difficile -associated diarrhea (CDAD) [see Warnings and Precautions (5.5) ] Skin Rash in Patients with Mononucleosis [see Warnings and Precautions (5.6) ] The most frequently reported adverse reactions were (incidence >2%) diarrhea, vaginal mycosis, nausea, and loose stools. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact USAntibiotics, LLC at 1-844-454-5532 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials 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. In clinical trials, 5,643 patients have been treated with Amoxicillin and Clavulanate Potassium Extended Release Tablets. The most frequently reported adverse reactions were diarrhea (15%), vaginal mycosis (3%), nausea (2%), and loose stools (2%). Amoxicillin and Clavulanate Potassium Extended Release…
Warnings
Important safety information
Serious (including fatal) hypersensitivity reactions: Discontinue Amoxicillin and Clavulanate Potassium Extended Release Tablets if a reaction occurs and institute appropriate therapy. (5.1) Severe cutaneous adverse reactions (SCAR): Monitor closely. Discontinue if rash progresses. (5.2) Drug-induced enterocolitis syndrome (DIES) has been reported with use of amoxicillin, a component of Amoxicillin and Clavulanate Potassium Extended Release Tablets. If this occurs, discontinue Amoxicillin and Clavulanate Potassium Extended Release Tablets and institute appropriate therapy. (5.3) Hepatic dysfunction and cholestatic jaundice: Discontinue if signs/symptoms of hepatitis occur. Monitor liver function tests in patients with hepatic impairment. (5.4) Clostridioides difficile -associated diarrhea (CDAD): Evaluate patients if diarrhea occurs. (5.5) Patients with mononucleosis who receive Amoxicillin and Clavulanate Potassium Extended Release Tablets develop skin rash. Avoid Amoxicillin and Clavulanate Potassium Extended Release Tablets use in these patients. (5.6) 5.1 Serious Allergic Reactions, including Anaphylaxis Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving Amoxicillin and Clavulanate Potassium Extended Release Tablets. 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 Extended Release Tablets, careful inquiry should be made regarding previous hypersensitivity reactions to penicillins, cephalosporins, or other allergens. If an allergic reaction occurs, discontinue Amoxicillin and Clavulanate Potassium Extended Release Tablets and institute appropriate therapy. 5.2 Severe Cutaneous Adverse Reactions Amoxicillin and Clavulanate Potassium Extended Release Tablets 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 Extended Release Tablets discontinued if lesions progress. 5.3 Drug-Induced Enterocolitis Syndrome Drug-induced enterocolitis syndrome (DIES) has been reported with use of amoxicillin, a component of Amoxicillin and Clavulanate Potassium Extended Release Tablets [see Adverse Reactions (6.2) ] , 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 Extended Release Tablets and institute appropriate therapy. 5.4 Hepatic Dysfunction Use Amoxicillin and Clavulanate Potassium Extended Release Tablets with caution in patients with evidence of hepatic dysfunction. Hepatic toxicity associated with the use of Amoxicillin and Clavulanate Potassium 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 (4.2) , and Adverse Reactions (6.2) ]. 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 Extended Release Tablets, 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. Avoid Amoxicillin and Clavulanate Potassium Extended Release Tablets use in patients with mononucleosis. 5.7 Potential for Microbial Overgrowth The possibility of superinfections with mycotic or bacterial pathogens should be considered during therapy. If superinfections occur (commonly involving Pseudomonas spp. or Candida spp.), the drug should be discontinued and/or appropriate therapy instituted. 5.8 Development of Drug-Resistant Bacteria Prescribing Amoxicillin and Clavulanate Potassium Extended Release Tablets 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.
Who should not take Augmentin XR
History of a serious hypersensitivity reaction (e.g., anaphylaxis or Stevens-Johnson syndrome) to AUGMENTIN or to other beta‑lactams (e.g., penicillins or cephalosporins). (4.1) History of cholestatic jaundice/hepatic dysfunction associated with AUGMENTIN. (4.2) In patients with severe renal impairment (creatinine clearance less than 30 mL/min) and in hemodialysis patients. (4.3) 4.1 Serious Hypersensitivity Reactions Amoxicillin and Clavulanate Potassium Extended Release Tablets is contraindicated in patients with a history of serious hypersensitivity reactions (e.g., anaphylaxis or Stevens-Johnson syndrome) to amoxicillin, clavulanate or to other beta-lactam antibacterial drugs (e.g., penicillins and cephalosporins). 4.2 Cholestatic Jaundice/Hepatic Dysfunction Amoxicillin and Clavulanate Potassium Extended Release Tablets is contraindicated in patients with a previous history of cholestatic jaundice/hepatic dysfunction associated with treatment with amoxicillin/clavulanate potassium. 4.3 Renal Impairment Amoxicillin and Clavulanate Potassium Extended Release Tablets is contraindicated in patients with severe renal impairment (creatinine clearance less than 30 mL/min) and in hemodialysis patients.
Overdose — what happens if you take too much
Following overdosage, patients have experienced primarily gastrointestinal symptoms including stomach and abdominal pain, vomiting, and diarrhea. Rash, hyperactivity, or drowsiness have also been observed in a small number of patients. In the case of overdosage, discontinue Amoxicillin and Clavulanate Potassium Extended Release Tablets, treat symptomatically, and institute supportive measures as required. If the overdosage is very recent and there is no contraindication, an attempt at emesis or other means of removal of drug from the stomach may be performed. A prospective study of 51 pediatric patients at a poison control center suggested that overdosages of less than 250 mg/kg of amoxicillin are not associated with significant clinical symptoms and do not require gastric emptying. 1 Interstitial nephritis resulting in oliguric renal failure has been reported in a small number of patients after overdosage with amoxicillin. Crystalluria, in some cases leading to renal failure, has also been reported after amoxicillin overdosage in adult and pediatric patients. In the case of overdosage, adequate fluid intake and diuresis should be maintained to reduce the risk of amoxicillin crystalluria. Renal impairment appears to be reversible with cessation of drug administration. High blood levels may occur more readily in patients with impaired renal function because of decreased renal…
U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.
Interactions
Co-administration with probenecid is not recommended. (7.1) Concomitant use Amoxicillin and Clavulanate Potassium Extended Release Tablets and oral anticoagulants may increase the prolongation of prothrombin time. (7.2) Co-administration with allopurinol increases the risk of rash. (7.3) Amoxicillin and Clavulanate Potassium Extended Release Tablets may reduce efficacy of oral contraceptives. (7.4) 7.1 Probenecid Probenecid decreases the renal tubular secretion of amoxicillin. Concurrent use with Amoxicillin and Clavulanate Potassium Extended Release Tablets may result in increased and prolonged blood levels of amoxicillin. Co-administration of probenecid is not recommended. 7.2 Oral Anticoagulants Abnormal prolongation of prothrombin time (increased international normalized ratio [INR]) has been reported in patients receiving amoxicillin and oral anticoagulants. Appropriate monitoring should be undertaken when anticoagulants are prescribed concurrently. Adjustments in the dose of oral anticoagulants may be necessary to maintain the desired level of anticoagulation. 7.3 Allopurinol The concurrent administration of allopurinol and amoxicillin substantially increases the incidence of rashes in patients receiving both drugs as compared to patients receiving amoxicillin alone. It is not known whether this potentiation of amoxicillin rashes is due to allopurinol or the hyperuricemia present in these patients. In controlled clinical trials of Amoxicillin and Clavulanate Potassium Extended Release Tablets, 25 patients received concomitant allopurinol and Amoxicillin and Clavulanate Potassium Extended Release Tablets. No rashes were reported in these patients. However, this sample size is too small to allow for any conclusions to be drawn regarding the risk of rashes with concomitant Amoxicillin and Clavulanate Potassium Extended Release Tablets and allopurinol use. 7.4 Oral Contraceptives Amoxicillin and Clavulanate Potassium Extended Release Tablets may affect intestinal flora, leading to lower estrogen reabsorption and reduced efficacy of combined oral estrogen/progesterone contraceptives. 7.5 Effects on Laboratory Tests High urine concentrations of amoxicillin may result in false-positive reactions when testing for the presence of glucose in urine using CLINITEST ® , Benedict’s Solution, or Fehling’s Solution. Since this effect may also occur with Amoxicillin and Clavulanate Potassium Extended Release Tablets, it is recommended that glucose tests based on enzymatic glucose oxidase reactions be used. Following administration of amoxicillin to pregnant women, a transient decrease in plasma concentration of total conjugated estriol, estriol-glucuronide, conjugated estrone, and estradiol has been noted.
How long does Amoxicillin and Clavulanate Potassium stay in your body?
The elimination half-life of amoxicillin and clavulanate potassium is about 1 hour (roughly 61 minutes) — the time it takes the body to clear about half of it. As a rule of thumb, a medicine is mostly gone after roughly 4 to 5 half-lives, though this varies from person to person with age and kidney or liver function. The half-life is longer in newborns and young infants and in people with reduced kidney function, because amoxicillin is cleared mainly unchanged by the kidneys; it has no active metabolite.
This is general information, not medical advice. It doesn’t tell you when a drug test would read negative (tests detect substances for different, often longer, windows) or when it’s safe to take another dose — ask your pharmacist or prescriber. Source: Amoxicillin capsule label (DailyMed).
Dosage forms
Tablet, extended release
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
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Frequently asked questions
- How much does Augmentin XR cost?
- Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $0.04 per ml, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins.
- Is there a coupon or discount for Augmentin XR?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Augmentin XR. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Augmentin XR?
- Augmentin XR is marketed by US Antibiotics. You can see US Antibiotics's full profile, rating, and other products on pharmaranks.
- Is Augmentin XR a brand-name or generic drug?
- Augmentin XR is a brand-name product with the active ingredient Amoxicillin and Clavulanate Potassium. Lower-cost generic equivalents containing Amoxicillin and Clavulanate Potassium are available — ask your pharmacist.
- Is Augmentin XR available over the counter?
- No. Augmentin XR is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Augmentin XR come in?
- Augmentin XR is currently marketed as tablet, extended release, per the FDA's National Drug Code Directory.
- Is Augmentin XR FDA-registered?
- Augmentin XR is on record with the U.S. FDA under application number NDA050785. You can verify this on its official FDA label.
- Is Augmentin XR safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Augmentin XR. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Augmentin XR?
- Augmentin XR's side effects are taken directly from its FDA label. From the label: The following clinically significant adverse reactions are described elsewhere in the labeling: Anaphylactic reactions [see Warnings and Precautions (5.1) ] Severe Cutaneous Adverse Reactions [see Warnings and Precautions (5.2) ] Drug-Induced Enterocolitis Syndrome (DIES) [see Warnings and Precautio… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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