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Amoxicillin (Capsule)

Source:http://www4.wiwiss.fu-berlin.de/dailymed/resource/drugs/1161

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dailymed-drugs:1161rdfs:labelAmoxicillin (Capsule)lld:dailymed
dailymed-drugs:1161dailymed-instance:dosageAmoxicillin capsules, chewable tablets, and oral suspensions may be given without regard to meals.<br/>Neonates and Infants Aged���12 Weeks (���3 Months): Due to incompletely developed renal function affecting elimination of amoxicillin in this age group, the recommended upper dose of amoxicillin is 30 mg/kg/day divided q12h.<br/>Adults and Pediatric Patients>3 Months: After reconstitution, the required amount of suspension should be placed directly on the child's tongue for swallowing. Alternate means of administration are to add the required amount of suspension to formula, milk, fruit juice, water, ginger ale, or cold drinks. These preparations should then be taken immediately. To be certain the child is receiving full dosage, such preparations should be consumed in entirety. All patients with gonorrhea should be evaluated for syphilis (see PRECAUTIONS, Laboratory Tests). Larger doses may be required for stubborn or severe infections.<br/>General: It should be recognized that in the treatment of chronic urinary tract infections, frequent bacteriological and clinical appraisals are necessary. Smaller doses than those recommended above should not be used. Even higher doses may be needed at times. In stubborn infections, therapy may be required for several weeks. It may be necessary to continue clinical and/or bacteriological follow-up for several months after cessation of therapy. Except for gonorrhea, treatment should be continued for a minimum of 48 to 72 hours beyond the time that the patient becomes asymptomatic or evidence of bacterial eradication has been obtained. It is recommended that there be at least 10 days' treatment for any infection caused by Streptococcus pyogenes to prevent the occurrence of acute rheumatic fever.<br/>H. pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence:<br/>Triple Therapy:<br/>Dual Therapy:<br/>Dosing Recommendations for Adults With Impaired Renal Function: Patients with impaired renal function do not generally require a reduction in dose unless the impairment is severe. Severely impaired patients with a glomerular filtration rate of<30 mL/ min. should not receive the 875 mg tablet. Patients with a glomerular filtration rate of 10 to 30 mL/min. should receive 500 mg or 250 mg every 12 hours, depending on the severity of the infection. Patients with a less than 10 mL/min. glomerular filtration rate should receive 500 mg or 250 mg every 24 hours, depending on severity of the infection. Hemodialysis patients should receive 500 mg or 250 mg every 24 hours, depending on severity of the infection. They should receive an additional dose both during and at the end of dialysis. There are currently no dosing recommendations for pediatric patients with impaired renal function.<br/>Directions for Mixing Oral Suspension: Prepare suspension at time of dispensing as follows: Tap bottle until all powder flows freely. Add approximately 1/3 of the total amount of water for reconstitution (see table below) and shake vigorously to wet powder. Add remainder of the water and again shake vigorously. Each teaspoonful (5 mL) will contain 125 mg amoxicillin (as the trihydrate). Each teaspoonful (5 mL) will contain 250 mg amoxicillin (as the trihydrate). NOTE: SHAKE ORAL SUSPENSION WELL BEFORE USING. Keep bottle tightly closed. Any unused portion of the reconstituted suspension must be discarded after 14 days. Refrigeration preferable, but not required.lld:dailymed
dailymed-drugs:1161dailymed-instance:descripti...Amoxicillin is a semisynthetic antibiotic, an analog of ampicillin, with a broad spectrum of bactericidal activity against many gram-positive and gram-negative microorganisms. Chemically, it 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. The structural formula is: CHNOS���3HO M.W. 419.45 Each capsule, for oral administration, contains 250 mg or 500 mg amoxicillin as the trihydrate. Inactive Ingredients: CAPSULES-DRUG PRODUCT: magnesium stearate. CAPSULE SHELL AND PRINT CONSTITUENTS: black iron oxide, D&C Yellow #10, FD&C Red #40, gelatin, propylene glycol, shellac, sodium lauryl sulfate, titanium dioxide, and may also contain D&C Yellow #10 Aluminum Lake, FD&C Blue #1 Aluminum Lake, FD&C Blue #2, FD&C Blue #2 Aluminum Lake, FD&C Red #40 Aluminum Lake, methylparaben, propylparaben, and silicon dioxide. In addition, the 250 mg capsule shell contains D&C Red #28 and FD&C Blue #1 and the 500 mg capsule shell may also contain FD&C Blue #1. After mixing, each 5 mL of amoxicillin suspension, for oral administration, will contain 125 mg or 250 mg of amoxicillin as the trihydrate. Inactive Ingredients: SUSPENSION: FD&C Red #40, mixed berry flavoring, silicon dioxide, sodium benzoate, sodium citrate, sucrose, and xanthan gum. Each chewable tablet, for oral administration, contains 125 mg or 250 mg of amoxicillin as the trihydrate. Inactive Ingredients: CHEWABLE TABLETS: cherry flavor, lactose, magnesium stearate, mannitol, microcrystalline cellulose, sodium citrate, and sucrose.lld:dailymed
dailymed-drugs:1161dailymed-instance:clinicalP...Amoxicillin is stable in the presence of gastric acid and is rapidly absorbed after oral administration. The effect of food on the absorption of amoxicillin from amoxicillin tablets and amoxicillin suspension has been partially investigated. The 400 mg and 875 mg formulations have been studied only when administered at the start of a light meal. However, food effect studies have not been performed with the 200 mg and 500 mg formulations. Amoxicillin diffuses readily into most body tissues and fluids, with the exception of brain and spinal fluid, except when meninges are inflamed. The half-life of amoxicillin is 61.3 minutes. Most of the amoxicillin is excreted unchanged in the urine; its excretion can be delayed by concurrent administration of probenecid. In blood serum, amoxicillin is approximately 20% protein-bound. Orally administered doses of 250 mg and 500 mg amoxicillin capsules result in average peak blood levels 1 to 2 hours after administration in the range of 3.5 mcg/mL to 5.0 mcg/mL and 5.5 mcg/mL to 7.5 mcg/mL, respectively. Mean amoxicillin pharmacokinetic parameters from an open, two-part, single-dose crossover bioequivalence study in 27 adults comparing 875 mg of amoxicillin with 875 mg of amoxicillin/clavulanate potassium showed that the 875 mg tablet of amoxicillin produces an AUCof 35.4��8.1 mcg���hr/mL and a Cof 13.8��4.1 mcg/mL. Dosing was at the start of a light meal following an overnight fast. Orally administered doses of amoxicillin suspension, 125 mg/5 mL and 250 mg/5 mL, result in average peak blood levels 1 to 2 hours after administration in the range of 1.5 mcg/mL to 3.0 mcg/mL and 3.5 mcg/mL to 5.0 mcg/mL, respectively. Oral administration of single doses of 400 mg chewable tablets and 400 mg/5 mL suspension of amoxicillin to 24 adult volunteers yielded comparable pharmacokinetic data: Detectable serum levels are observed up to 8 hours after an orally administered dose of amoxicillin. Following a 1 gram dose and utilizing a special skin window technique to determine levels of the antibiotic, it was noted that therapeutic levels were found in the interstitial fluid. Approximately 60% of an orally administered dose of amoxicillin is excreted in the urine within 6 to 8 hours.<br/>Microbiology: Amoxicillin is similar to ampicillin in its bactericidal action against susceptible organisms during the stage of active multiplication. It acts through the inhibition of biosynthesis of cell wall mucopeptide. Amoxicillin has been shown to be active against most strains of the following microorganisms, both in vitro and in clinical infections as described in the INDICATIONS AND USAGE section.<br/>Aerobic Gram-Positive Microorganisms: Enterococcus faecalis Staphylococcus spp.(��-lactamase-negative strains only) Streptococcus pneumoniae Streptococcus spp. (��- and��-hemolytic strains only)<br/>Aerobic Gram-Negative Microorganisms: Escherichia coli (��-lactamase-negative strains only) Haemophilus influenzae (��-lactamase-negative strains only) Neisseria gonorrhoeae (��-lactamase-negative strains only) Proteus mirabilis (��-lactamase-negative strains only)<br/>Helicobacter: Helicobacter pylori<br/>Susceptibility Tests:<br/>Dilution Techniques: Quantitative methods are used to determine antimicrobial minimum inhibitory concentrations (MICs). These MICs provide estimates of the susceptibility of bacteria to antimicrobial compounds. The MICs should be determined using a standardized procedure. Standardized procedures are based on a dilution method(broth or agar) or equivalent with standardized inoculum concentrations and standardized concentrations of ampicillin powder. Ampicillin is sometimes used to predict susceptibility of S. pneumoniae to amoxicillin; however, some intermediate strains have been shown to be susceptible to amoxicillin. Therefore, S. pneumoniae susceptibility should be tested using amoxicillin powder. The MIC values should be interpreted according to the following criteria: For Gram-Positive Aerobes Enterococcus Staphylococcus Streptococcus (except S. pneumoniae) S. pneumoniaefrom non-meningitis sources. (Amoxicillin powder should be used to determine susceptibility.) NOTE: These interpretive criteria are based on the recommended doses for respiratory tract infections. For Gram-Negative Aerobes Enterobacteriaceae H. influenzae A report of���Susceptible���indicates that the pathogen is likely to be inhibited if the antimicrobial compound in the blood reaches the concentrations usually achievable. A report of���Intermediate���indicates that the result should be considered equivocal, and, if the microorganism is not fully susceptible to alternative, clinically feasible drugs, the test should be repeated. This category implies possible clinical applicability in body sites where the drug is physiologically concentrated or in situations where high dosage of drug can be used. This category also provides a buffer zone, which prevents small uncontrolled technical factors from causing major discrepancies in interpretation. A report of���Resistant���indicates that the pathogen is not likely to be inhibited if the antimicrobial compound in the blood reaches the concentrations usually achievable; other therapy should be selected. Standardized susceptibility test procedures require the use of laboratory control microorganisms to control the technical aspects of the laboratory procedures. Standard ampicillin powder should provide the following MIC values: Using amoxicillin to determine susceptibility:<br/>Diffusion Techniques: Quantitative methods that require measurement of zone diameters also provide reproducible estimates of the susceptibility of bacteria to antimicrobial compounds. One such standardized procedurerequires the use of standardized inoculum concentrations. This procedure uses paper disks impregnated with 10 mcg ampicillin to test the susceptibility of microorganisms, except S. pneumoniae, to amoxicillin. Interpretation involves correlation of the diameter obtained in the disk test with the MIC for ampicillin. Reports from the laboratory providing results of the standard single-disk susceptibility test with a 10 mcg ampicillin disk should be interpreted according to the following criteria: For Gram-Positive Aerobes Enterococcus Staphylococcus ��-hemolytic streptococci NOTE: For streptococci (other than��-hemolytic streptococci and S. pneumoniae), an ampicillin MIC should be determined. S. pneumoniae S. pneumoniae should be tested using a 1 mcg oxacillin disk. Isolates with oxacillin zone sizes of���20 mm are susceptible to amoxicillin. An amoxicillin MIC should be determined on isolates of S. pneumoniae with oxacillin zone sizes of���19 mm. For Gram-Negative Aerobes Enterobacteriaceae H. influenzae Interpretation should be as stated above for results using dilution techniques. As with standard dilution techniques, disk diffusion susceptibility test procedures require the use of laboratory control microorganisms. The 10 mcg ampicillin disk should provide the following zone diameters in these laboratory test quality control strains: Using 1 mcg oxacillin disk:<br/>Susceptibility Testing for Helicobacter pylori: In vitro susceptibility testing methods and diagnostic products currently available for determining minimum inhibitory concentrations (MICs) and zone sizes have not been standardized, validated, or approved for testing H. pylori microorganisms. Culture and susceptibility testing should be obtained in patients who fail triple therapy. If clarithromycin resistance is found, a non-clarithromycin-containing regimen should be used.lld:dailymed
dailymed-drugs:1161dailymed-instance:activeIng...dailymed-ingredient:amoxici...lld:dailymed
dailymed-drugs:1161dailymed-instance:contraind...A history of allergic reaction to any of the penicillins is a contraindication.lld:dailymed
dailymed-drugs:1161dailymed-instance:supplyAmoxicillin capsules USP: Caramel and buff colored capsules are imprinted���93���-���3107���and contain 250 mg amoxicillin as the trihydrate; buff colored capsules are imprinted���93���-���3109���and contain 500 mg amoxicillin as the trihydrate. 250 mg available in bottles of 100, 500, and in unit dose cartons of 100 (10 x 10). 500 mg available in bottles of 50, 500, and in unit dose cartons of 100 (10 x 10). Amoxicillin for oral suspension USP: Each 5 mL of reconstituted suspension, when reconstituted according to directions on the container label, contains 125 mg or 250 mg amoxicillin as the trihydrate. 125 mg/5 mL available in bottles of 80 mL, 100 mL, and 150 mL. 250 mg/5 mL available in bottles of 80 mL, 100 mL, and 150 mL. Amoxicillin tablets USP (chewable): White to off-white, capsule-shaped tablets, debossed���93���on one side and���2267���on the other side, contain 125 mg amoxicillin as the trihydrate; white to off-white, capsule-shaped tablets, partial bisect and debossed���93���on one side and���2268���on the other side, contain 250 mg amoxicillin as the trihydrate. 125 mg available in bottles of 100. 250 mg available in bottles of 100 and 500. Store at 20��to 25��C (68��to 77��F) [See USP Controlled Room Temperature]. Dispense in a tight, light-resistant container as defined in the USP, with a child-resistant closure (as required).lld:dailymed
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dailymed-drugs:1161dailymed-instance:precautio...General: The possibility of superinfections with mycotic or bacterial pathogens should be kept in mind during therapy. If superinfections occur, amoxicillin should be discontinued and appropriate therapy instituted. A high percentage of patients with mononucleosis who receive ampicillin develop an erythematous skin rash. Thus, ampicillin-class antibiotics should not be administered to patients with mononucleosis. Prescribing amoxicillin capsules, amoxicillin for oral suspension, or amoxicillin tablets (chewable) 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.<br/>Laboratory Tests: As with any potent drug, periodic assessment of renal, hepatic, and hematopoietic function should be made during prolonged therapy. All patients with gonorrhea should have a serologic test for syphilis at the time of diagnosis. Patients treated with amoxicillin should have a follow-up serologic test for syphilis after 3 months.<br/>Drug Interactions: Probenecid decreases the renal tubular secretion of amoxicillin. Concurrent use of amoxicillin and probenecid may result in increased and prolonged blood levels of amoxicillin. Chloramphenicol, macrolides, sulfonamides, and tetracyclines may interfere with the bactericidal effects of penicillin. This has been demonstrated in vitro; however, the clinical significance of this interaction is not well documented. In common with other antibiotics, amoxicillin capsules, amoxicillin for oral suspension, or amoxicillin tablets (chewable) may affect the gut flora, leading to lower estrogen reabsorption and reduced efficacy of combined oral estrogen/progesterone contraceptives.<br/>Drug/Laboratory Test Interactions: High urine concentrations of ampicillin 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, it is recommended that glucose tests based on enzymatic glucose oxidase reactions (such as CLINISTIX) be used. Following administration of ampicillin to pregnant women, a transient decrease in plasma concentration of total conjugated estriol, estriol-glucuronide, conjugated estrone, and estradiol has been noted. This effect may also occur with amoxicillin.<br/>Carcinogenesis, Mutagenesis, Impairment of Fertility: Long-term studies in animals have not been performed to evaluate carcinogenic potential. Studies to detect mutagenic potential of amoxicillin alone have not been conducted; however, the following information is available from tests on a 4:1 mixture of amoxicillin and potassium clavulanate. Amoxicillin and potassium clavulanate was non-mutagenic in the Ames bacterial mutation assay, and the yeast gene conversion assay. Amoxicillin and potassium clavulanate was weakly positive inthe mouse lymphoma assay, but the trend toward increased mutation frequencies in this assay occurred at doses that were also associated with decreased cell survival. Amoxicillin and potassium clavulanate was negative in the mouse micronucleus test, and in the dominant lethal assay in mice. Potassium clavulanate alone was tested in the Ames bacterial mutation assay and in the mouse micronucleus test, and was negative in each of these assays. In a multi-generation reproduction study in rats, no impairment offertility or other adverse reproductive effects were seen at doses up to 500 mg/kg (approximately 3 times the human dose in mg/m).<br/>Pregnancy:<br/>Teratogenic Effects:<br/>Labor and Delivery: Oral ampicillin-class antibiotics are poorly absorbed during labor. Studies in guinea pigs showed that intravenous administration of ampicillin slightly decreased the uterine tone and frequency of contractions but moderately increased the height and duration of contractions. However, it is not known whether use of amoxicillin in humans during labor or delivery has immediate or delayed adverse effects on the fetus, prolongs the duration of labor, or increases the likelihood that forceps delivery or other obstetrical intervention or resuscitation of the newborn will be necessary.<br/>Nursing Mothers: Penicillins have been shown to be excreted in human milk. Amoxicillin use by nursing mothers may lead to sensitization of infants. Caution should be exercised when amoxicillin is administered to a nursing woman.<br/>Pediatric Use: Because of incompletely developed renal function in neonates and young infants, the elimination of amoxicillin may be delayed. Dosing of amoxicillin should be modified in pediatric patients 12 weeks or younger (���3 months) (see DOSAGE AND ADMINISTRATION, Neonates and Infants).<br/>Geriatric Use: An analysis of clinical studies of amoxicillin was conducted to determine whether subjects aged 65 and over respond differently from younger subjects. Of the 1,811 subjects treated with amoxicillin capsules, 85% were<60 years old, 15% were���61 years old and 7% were���71 years old. This analysis and other reported clinical experience have not identified differences in responses between the elderly and younger patients, but a greater sensitivity of some older individuals cannot be ruled out. This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. 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.<br/>Information for Patients: Amoxicillin may be taken every 8 hours or every 12 hours, depending on the strength of the product prescribed. Patients should be counseled that antibacterial drugs, including amoxicillin capsules, amoxicillin for oral suspension, and amoxicillin tablets (chewable), should only be used to treat bacterial infections. They do not treat viral infections (e.g., the common cold). When amoxicillin capsules, amoxicillin for oral suspension, or amoxicillin tablets (chewable) are prescribed to treat a bacterial infection, patients should be told that although it is common to feel better early in the course of therapy, the medication should be taken exactly as directed. Skipping doses or not completing the full course of therapy may: (1) decrease the effectiveness of the immediate treatment, and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by amoxicillin capsules, amoxicillin for oral suspension, amoxicillin tablets (chewable) or other antibacterial drugs in the future. Diarrhea is a common problem caused by antibiotics which usually ends when the antibiotic is discontinued. Sometimes after starting treatment with antibiotics, patients can develop watery and bloody stools (with or without stomach cramps and fever) even as late as 2 or more months after having taken the last dose of the antibiotic. If this occurs, patients should contact their physician as soon as possible.lld:dailymed
dailymed-drugs:1161dailymed-instance:overdosag...In case of overdosage, discontinue medication, 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. 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 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 clearance of amoxicillin. Amoxicillin may be removed from circulation by hemodialysis.lld:dailymed
dailymed-drugs:1161dailymed-instance:genericMe...Amoxicillinlld:dailymed
dailymed-drugs:1161dailymed-instance:fullNameAmoxicillin (Capsule)lld:dailymed
dailymed-drugs:1161dailymed-instance:adverseRe...As with other penicillins, it may be expected that untoward reactions will be essentially limited to sensitivity phenomena. They are more likely to occur in individuals who have previously demonstrated hypersensitivity to penicillins and in those with a history of allergy, asthma, hay fever, or urticaria. The following adverse reactions have been reported as associated with the use of penicillins: Infections and Infestations: Mucocutaneous candidiasis. Gastrointestinal: Nausea, vomiting, diarrhea, black hairy tongue, and hemorrhagic/ pseudomembranous colitis. Onset of pseudomembranous colitis symptoms may occur during or after antibiotic treatment (see WARNINGS). Hypersensitivity Reactions: Anaphylaxis (see WARNINGS) Serum sickness-like reactions, erythematous maculopapular rashes, erythema multiforme, Stevens-Johnson syndrome, exfoliative dermatitis, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, hypersensitivity vasculitis and urticaria have been reported. NOTE: These hypersensitivity reactions may be controlled with antihistamines and, if necessary, systemic corticosteroids. Whenever such reactions occur, amoxicillin should be discontinued unless, in the opinion of the physician, the condition being treated is life-threatening and amenable only to amoxicillin therapy. Liver: A moderate rise in AST (SGOT) and/or ALT (SGPT) has been noted, but the significance of this finding is unknown. Hepatic dysfunction including cholestatic jaundice, hepatic cholestasis and acute cytolytic hepatitis have been reported. Renal: Crystalluria has also been reported (see OVERDOSAGE). 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. Central Nervous System: Reversible hyperactivity, agitation, anxiety, insomnia, confusion, convulsions, behavioral changes, and/or dizziness have been reported rarely. Miscellaneous: Tooth discoloration (brown, yellow, or gray staining) has been rarely reported. Most reports occurred in pediatric patients. Discoloration was reduced or eliminated with brushing or dental cleaning in most cases.<br/>Combination Therapy With Clarithromycin and Lansoprazole: In clinical trials using combination therapy with amoxicillin plus clarithromycin and lansoprazole, and amoxicillin plus lansoprazole, no adverse reactions peculiar to these drug combinations were observed. Adverse reactions that have occurred have been limited to those that had been previously reported with amoxicillin, clarithromycin, or lansoprazole.<br/>Triple Therapy:<br/>Dual Therapy:lld:dailymed
dailymed-drugs:1161dailymed-instance:warningSERIOUS AND OCCASIONALLY FATAL HYPERSENSITIVITY (ANAPHYLACTIC) REACTIONS HAVE BEEN REPORTED IN PATIENTS ON PENICILLIN THERAPY. ALTHOUGH ANAPHYLAXIS IS MORE FREQUENT FOLLOWING PARENTERAL THERAPY, IT HAS OCCURRED IN PATIENTS ON ORAL PENICILLINS. THESE REACTIONS ARE MORE LIKELY TO OCCUR IN INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY AND/OR A HISTORY OF SENSITIVITY TO MULTIPLE ALLERGENS. THERE HAVE BEEN REPORTS OF INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY WHO HAVE EXPERIENCED SEVERE REACTIONS WHEN TREATED WITH CEPHALOSPORINS. BEFORE INITIATING THERAPY WITH AMOXICILLIN, CAREFUL INQUIRY SHOULD BE MADE CONCERNING PREVIOUS HYPERSENSITIVITY REACTIONS TO PENICILLINS, CEPHALOSPORINS, OR OTHER ALLERGENS. IF AN ALLERGIC REACTION OCCURS, AMOXICILLIN SHOULD BE DISCONTINUED AND APPROPRIATE THERAPY INSTITUTED. SERIOUS ANAPHYLACTIC REACTIONS REQUIRE IMMEDIATE EMERGENCY TREATMENT WITH EPINEPHRINE. OXYGEN, INTRAVENOUS STEROIDS, AND AIRWAY MANAGEMENT, INCLUDING INTUBATION, SHOULD ALSO BE ADMINISTERED AS INDICATED. Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including amoxicillin capsules, amoxicillin for oral suspension, or amoxicillin tablets (chewable), 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 antibiotic 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 antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.lld:dailymed
dailymed-drugs:1161dailymed-instance:indicatio...Amoxicillin is indicated in the treatment of infections due to susceptible (ONLY��-lactamase-negative) strains of the designated microorganisms in the conditions listed below: Infections of the ear, nose, and throat - due to Streptococcus spp. (��- and��-hemolytic strains only), S. pneumoniae, Staphylococcus spp., or H. influenzae. Infections of the genitourinary tract - due to E. coli, P. mirabilis, or E. faecalis. Infections of the skin and skin structure - due to Streptococcus spp. (��- and��-hemolytic strains only), Staphylococcus spp., or E. coli. Infections of the lower respiratory tract - due to Streptococcus spp. (��- and��-hemolytic strains only), S. pneumoniae, Staphylococcus spp., or H. influenzae. Gonorrhea, acute uncomplicated (ano-genital and urethral infections) - due to N. gonorrhoeae (males and females). H. pylori eradication to reduce the risk of duodenal ulcer recurrence.<br/>Triple Therapy:<br/>Amoxicillin/Clarithromycin/Lansoprazole: Amoxicillin, in combination with clarithromycin plus lansoprazole as triple therapy, is indicated for the treatment of patients with H. pylori infection and duodenal ulcer disease (active or 1 year history of a duodenal ulcer) to eradicate H. pylori. Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence (see CLINICAL STUDIES and DOSAGE AND ADMINISTRATION).<br/>Dual Therapy:<br/>Amoxicillin/Lansoprazole: Amoxicillin, in combination with lansoprazole delayed-release capsules as dual therapy, is indicated for the treatment of patients with H. pylori infection and duodenal ulcer disease (active or 1 year history of a duodenal ulcer) who are either allergic or intolerant to clarithromycin or in whom resistance to clarithromycin is known or suspected. (See the clarithromycin package insert, MICROBIOLOGY.) Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence (see CLINICAL STUDIES and DOSAGE AND ADMINISTRATION). To reduce the development of drug-resistant bacteria and maintain the effectiveness of amoxicillin capsules, amoxicillin for oral suspension, amoxicillin tablets (chewable), and other antibacterial drugs, amoxicillin capsules, amoxicillin for oral suspension, and amoxicillin tablets (chewable) 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. Indicated surgical procedures should be performed.lld:dailymed
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