Ertapenem penicillin allergy

Nevertheless, recent studies have shown that the rate of cross-reactivity of imipenem and meropenem with penicillins is lower than 1%. The aim of this study was to evaluate the possibility of using ertapenem in patients with an established IgE-mediated β-lactam allergy Meropenem showed to have a good tolerability too in penicillin allergic patients: Romano et al. found a cross-reactivity rate of 0.9% between penicillins and meropenem in penicillin-allergic patients (mean age 47.83 ± 15.8); Atanasković-Marković et al. found a cross-reactivity rate of 0.8% in 109 paediatric patients (age range 3-14 ys.) between meropenem and penicillins

The higher risk associated with aminocephalosporins was observed whether penicillin allergy was IgE- or T-cell-mediated. Eleven observational studies on carbapenem cross-reactivity involving 1127 penicillin-allergic patients showed that the risk of cross-reactivity to any carbapenem was 0.87% (95% CI, 0.32-2.32) Penicillin'allergy'cross.reactivity' ' • Roughly'10%'of'the'population'report'allergy'to'penicillin' • Penicillin'is'a'beta.lactam.

Cross-reactivity and Tolerability of Ertapenem in Patients

  1. an antibiotic such as amoxicillin (Amoxil, Augmentin, Dispermox, Moxatag), ampicillin (Principen, Unasyn), dicloxacillin (Dycill, Dynapen), oxacillin (Bactocill), or penicillin (Bicillin L-A, PC Pen VK, Pfizerpen). You should not inject ertapenem into a muscle if you are allergic to a numbing medicine such as lidocaine or Novocain
  2. Carbapenem use seems reasonable in penicillin allergic patients if there is a valid indication for the antibiotic. A possible trend towards a higher incidence rate of a carbapenem reaction was observed in penicillin allergic patients with multiple antibiotic allergies most notably to cephalosporins
  3. **NON-SEVERE PENICILLIN ALLERGY: Normally after 24 hours Maculopapular/morbilliform rash Serum sickness (fever, rash, arthralgia, glomerulonephritis
  4. Ertapenem has in vitro activity against gram-positive and gram-negative aerobic and anaerobic bacteria. The bactericidal activity of ertapenem results from the inhibition of cell wall synthesis and is mediated through ertapenem binding to penicillin binding proteins (PBPs). In Escherichia coli, it ha
  5. Key Points: Penicillin allergy is often over reported. Incidence of true anaphylactic reaction is 0.05% of the population and hypersensitivity occurs in 1 -10% of population Approximately 90% of reported penicillin allergies likely to be penicillin intolerance such as GI upse
  6. The true incidence of penicillin allergy amongst those with a reported allergy is less than 10%3 In a study conducted at Nebraska Medicine in 2015, beta-lactam allergy accounted for 45.7% of documented antibiotic allergies4 Majority classified as cutaneous reactions or undocumented (rash 19.1%, hives 20.2%, or undocumented 17.6%
  7. The incidence of patients with a reported or documented penicillin allergy experiencing an allergic-type reaction to a carbapenem was 11%, which is 5.2 times greater than the risk in patients who were reportedly not allergic to penicillin (P = .024). No difference in the occurrence of allergic-type reactions was observed between the 2 carbapenems

Penicillin allergy Facts Approximately 10% of all U.S. patients report having an allergic reaction to a penicillin class antibiotic in their past. However, many patients who report penicillin allergies do not have true IgE-mediated reactions. When evaluated, fewer than 1% of the population have IgE mediated hypersensitivities No Penicillin Allergy Patients with Penicillin Allergy Gynecologic Gastric, Pancreas, or Liver: Cefoxitin 2 grams IV or Ertapenem 1 gram IV Colorectal: Ertapenem 1 gram IV and preoperative bowel preparation1 Thoracic / Pulmonary / Esophageal Disease Site GI Ampicillin and sulbactam 3 grams IV Gastric, Pancreas, or Liver

Safety of Ertapenem in Beta-lactam Allergic Patients

When people say penicillin allergy they are most commonly referring to aminopenicillin allergy (allergy to ampicillin, penicillin G, penicillin VK, and early-generation cephalosporins including cefaclor, cephalexin, cephradine, cephaloglycin Patient-reported allergy to penicillin antibiotics is a common scenario during health care encounters, with an estimated population prevalence of roughly 8% to 12%. 1 Primary reactions to penicillin antibiotics include rash, itching, nausea and vomiting, shortness of breath, and anaphylaxis

Cross-Reactivity to Cephalosporins and Carbapenems in

  1. All subjects included in the meta-analyses had a confirmed penicillin allergy based on a positive ST or DPT result to at least 1 penicillin. Penicillin allergy was IgE-mediated in 1269 of 2210 (57.4%) subjects, T-cell-mediated in 857 of 2210 (38.8%) subjects, and was not clearly defined in 84 of 2210 (3.8%) subjects
  2. Penicillin is the most frequently reported drug allergy and is reported in 5-10% of the population.20,21,22 Studies have shown that between 80 and 95% or more of those patients reporting a penicillin allergy do not in fact have true hypersensitivity reactions and the vast majority of these patients can tolerate beta-lactams.1,10,21,22,23,24,2
  3. istration In cases of INTOLERANCE to penicillin (e.

Ertapenem: lack of allergic reactions in hospitalised adults reporting a history of penicillin allergy 4. Patient allergy history profiles in EPIC should be updated, indicating tolerance or intolerance to the graded challenge. The graded challenge is not a method of de-labeling the penicillin allergy history. a. Ex. update in EPIC allergy profile: Tolerated ceftriaxone graded challenge on 7.17.19 B. Order-set process 1. Graded challenge orders.

2010 invanz-ertapenem-342561 Drugs Drugs ertapenem 2002 2002607-overview Diseases & Condition an antibiotic such as amoxicillin (Amoxil, Augmentin, Dispermox, Moxatag), ampicillin (Principen, Unasyn), dicloxacillin (Dycill, Dynapen), oxacillin (Bactocill), or penicillin (Bicillin L-A, PC Pen VK, Pfizerpen). You should not inject Invanz into a muscle if you are allergic to a numbing medicine such as lidocaine or Novocain Ertapenem (Invanz) may not be right for you and your provider may prescribe another antibiotic. If you experience those allergy symptoms after starting on ertapenem (Invanz), seek medical attention immediately. SEIZURE. Risk factors: History of seizures or problems with the brain | Kidney disease | Taking valproic acid or divalproex sodiu Yeast - Rare, mainly in immunocompromised patients or those with extensive antibiotic history. Other considerations . CT scan is important in assessing need for drainage in severe disease. Some patients will Ertapenem 1 g IV q24h OR PCN allergy: ciprofloxacin 400 mg IV q12h PLUS metronidazole 500 mg IV q8h . Patient severely ill or. Uses. Ertapenem is used to prevent and treat a wide variety of bacterial infections. This medication is known as a carbapenem-type antibiotic. It works by stopping the growth of bacteria

Ertapenem Uses, Side Effects & Warnings - Drugs

Ertapenem is an antibiotic that fights bacteria. Ertapenem is used to treat severe infections of the skin, lungs, stomach, pelvis, and urinary tract. It is also used to prevent infection in people. For intravenous infusion (Invanz ®), manufacturer advises give intermittently in Sodium chloride 0.9%. Reconstitute 1 g with 10 mL Water for injections or Sodium chloride 0.9%; dilute requisite dose in infusion fluid to a final concentration not exceeding 20 mg/mL; give over 30 minutes; incompatible with glucose solutions Millones de productos. Envío gratis con Amazon Prime. Compara precios a. Severe beta-lactam allergy is defined as anaphylaxis-type reactions affecting the airway, associated with hypotension, or other severe-life threatening reactions. Allergies will be clarified and documented prior to approval of a carbapenem. i. Use of ertapenem in patients without a severe beta-lactam allergy or MDRO/ESBL

Is it safe to use carbapenems in patients with a history

  1. Allergy to ertapenem (441725009) Recent clinical studies. Etiology. Assessment of hypersensitivity reactions in patients receiving carbapenem antibiotics who report a history of penicillin allergy. Wall GC, Nayima VA, Neumeister KM J Chemother 2014 Jun;26(3):150-3. Epub 2013 Dec 6 doi: 10.1179/1973947813Y.0000000127
  2. mediated response to carbapenems in patients with penicillin allergy. Cross-reactivity between carbapenems and penicillin have been frequently described, but cross-reactivity between the individual carbapenems has described only in few studies. Although the side chains of ertapenem and meropenem have
  3. Key search terms were carbapenem, imipenem, meropenem, ertapenem, drug hypersensitivity, and penicillin allergy. STUDY SELECTION AND DATA EXTRACTION: All articles describing clinical studies involving the use of carbapenem antibiotics in patients allergic to penicillin were reviewed
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  5. Penicillin Cross-Reactivity In cases of true penicillin allergy, the source of the reaction is thought to be due to formation of antibodies against metabolites of the penicillin molecule, specifically the R 1 side chains of the beta-lactam ring, and not the penicillin molecule or the presence of the beta-lactam ring. Similarity i
  6. • In patients with cephalosporin allergies, we recommend ertapenem 1 g IV q24h • •CASS would be supportive of either amoxicillin-clavulante 875 mg PO BID or levofloxacin 500 mg PO daily PLUS metroNIDAZOLE 500 mg PO q8h (penicillin allergy) as oral step-down regimens. Antibiotic Recommendations for Acute Appendicitis CLINICAL GUIDELINE MAY.
  7. e penicillin class sensitivity

If non-life threatening penicillin or cephalosporin allergy: Substitute meropenem* 2 g IV q8h for cefepime If life threatening penicillin allergy: Substitute aztreonam* 2 g IV q6h for cefepime Presence of CSF shunt Aerobic gram-negative bacilli (e.g., Pseudomonas) Coag-negative Staphylococc Ertapenem; Imipenem can be hydrolysed by dihydropeptidase found in renal tubules in Human, so imipenem should be administered along with dihydropeptidase inhibitors (Cilastatin). Meropenem and ertapenem are resiatant to hydrolyse by dihydroxypeptidase. Individuals allergic to penicillin should not be recommended Carbapenem drugs To our knowledge, this is the first study to assess cross-reactivity with ertapenem in subjects with IgE-mediated hypersensitivity to penicillins. It is also the first study to administer both aztreonam and carbapenems in penicillin-allergic patients, demonstrating an identical profile of tolerability of these alternative β-lactams spectrum: ertapenem. Main differences compared to meropenem: 1) Lacks coverage of pseudomonas and acinetobacter. Penicillin allergy is traditionally a major reason for the use of vancomycin. However, penicillin has a low rate of cross-allergy with cefazolin and third/fourth generation cephalosporins, so penicillin allergy is a poor.


Incidence of Carbapenem-Associated Allergic-Type Reactions

Ertapenem 1 g IV q24H OR Ceftriaxone 1 g IV q24H Duration 7-14 days Patient severely ill or hospitalized >48 hours Meropenem 1 g IV q8H OR Cefepime 1 g IV q8H OR PCN allergy: Aztreonam 1 g IV q8H Duration 7-14 days Urosepsis SIRS due to urinary tract infection Meropenem 1 g IV q8H OR Cefepime 1 g IV q8H OR PCN allergy:. QUESTION Is changing from meropenem to ertapenem considered de-escalation? ANSWER In the purest sense of the term de-escalation means moving from a broader antibiotic to a less broad antibiotic. In this case ertapenem is less broad spectrum than meropenem, because ertapenem lacks coverage for Acinetobacter, Pseudomonas, and Enterococci. In turn, the answer can be yes Ertapenem is structurally similar to the penicillins and cephalosporins and these patients may be more susceptible to hypersensitivity reactions. If an allergic reaction occurs, discontinue the drug and initiate appropriate emergency treatment with epinephrine, oxygen, IV steroids, intubation or other therapy as indicated Ertapenem Imipenem + Cilastatin Meropenem Individuals with a non-severe** penicillin allergy SHOULD NOT receive a penicillin but cephalosporins, carbepenems and other beta-lactams can be used for these patients with caution as the risk of cross sensitivity is low

Allergy to various beta-lactam antibiotics - EMCrit Projec

  1. risk factors that have been described with penicillin and cephalosporin allergies could potentially be considered for carbapenem allergies. These risk factors include a history of beta-lactam allergy, female gender, increasing age, previous antibiotic exposures and adverse reactions, as well as genetic predispositions [13-20]
  2. Ertapenem Invanz IV Imipenem-cilastatin Primaxin IV National Centre for Antimicrobial Stewardship Centre for Antibiotic Allergy and Research Optimising antibiotic therapy COOH . Author: Melbourne Health Created Date: 11/7/2019 11:36:25 AM.
  3. INVanz; Descriptions. Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully
  4. Invanz (ertapenem for injection) is a type of antibiotic used to treat severe infections of the skin, lungs, stomach, pelvis, and urinary tract. Invanz is also used to prevent infection in people having certain types of surgery
  5. Penicillin Allergies Penicillin Allergies - Guide for Clinicians Prevalence of Penicillin Allergy: Approximately 10% of the patient population will report an allergic reaction to a penicillin class antibiotic. Of those who report a history of penicillin allergy, up to 90% are able to tolerate penicillins when challenged (1-3)
  6. The purpose of this study is to assess cross-reactivity and tolerability of ertapenem in patients with IgE-mediated allergy to at least one beta-lactam molecule.. Clinical Trials Registry. ICH GCP
  7. Start studying Penicillin Allergy, Carbapenems and Monobactam. Learn vocabulary, terms, and more with flashcards, games, and other study tools

Penicillin Allergies and Cross-Reactivity With Other Beta

Video: Ertapenem: lack of allergic reactions in hospitalised

There was a good correlation between the penicillin and imipenem reagents to which the patients reacted. Imipenem should only be administered to penicillin-allergic subjects with similar precautions of penicillin administration to such patients. Allergy. 2008 Feb;63(2):237-40. doi: 10.1111/j.1398-9995.2007.01532.x Ertapenem injection is used to treat certain serious infections, including pneumonia and urinary tract, skin, diabetic foot, gynecological, pelvic, and abdominal (stomach area) infections, that are caused by bacteria. It is also used for the prevention of infections following colorectal surgery. Ertapenem is in a class of medications called. INVANZ is an antibiotic used to treat infections caused by bacteria (germs). INVANZ may also be used in patients not responding to, or unable to tolerate, other antibiotics. INVANZ belongs to a.

Invanz (ertapenem) dosing, indications, interactions

Patients with a claimed history of penicillin allergy were not more likely to develop a presumed hypersensitivity reaction to a carbapenem compared to those who did not claim such an allergy. Keywords: Carbapenem , Imipenem , Meropenem , Doripenem , Ertapenem , Penicillin allergy , Cross-reactivity , Adverse reaction , Hypersensitivit Use. While both penicillin and amoxicillin are used to treat bacterial infections, a doctor may prescribe one over the other depending on the type of infection that needs treatment 4. Both can be effective against upper respiratory or skin infections, although amoxicillin, for instance, may be the preferred drug for some other conditions, such as ear or urinary tract infections 4

β Lactam antibiotic hypersensitivity cross-reactivity

Invanz Uses, Side Effects & Warnings - Drugs

Ertapenem, which belongs in the carbapenem class and is delivered intravenously, is a last-resort antibiotic that is infrequently used in humans. A total of 5 normal pigs without infection were given twice-daily 20 mg/kg oral amoxicillin or once-daily 30 mg/kg intravenous ertapenem for 7 days What type of reaction is a penicillin allergy? Type 1 hypersensitivity reaction IgE-mediated <0.05% of population. Where does the penicillin allergy rash begin? Ertapenem. What is the spectrum of activity for Carbapenems? Gram - coverage including multi-drug resistant organism The high frequency of concurrent resistance shows that bacteria have means of counteracting multiple antibiotics at a time. The almost complete absence of disjoint resistance at the species level implies that treatment strategies based on alternating between antibiotics might require subspecies level pathogen identification and be limited to a few antibiotic pairings

Ertapenem, Imipenem, Meropenem. In penicillin allergic patients, the incidence of allergic reactions to a cephalosporin was traditionally thought to be about 10-15%. However, new evidence suggests that the risk of cross-reactivity is actually much lower, less than 2% Ertapenem is highly bound to human plasma proteins, primarily albumin. In healthy young adults, the protein binding of ertapenem decreases as plasma concentrations increase, from approximately . NDA 21-337/S-021 Page 5 95% bound at an approximate plasma concentration of <100 micrograms (mcg)/mL to approximatel Ertapenem —This analogue has This position is supported by a case series of 110 penicillin allergic patients, 51 with a history of anaphylaxis with penicillin, who were treated for one to four weeks with meropenem without a single episode of allergy.23 The clinical benefits of using a carbapenem, one of the most potent broad spectrum.

A β-lactam allergy is the most common suspected in-hospital drug allergy, with an incidence of 5 to 17% in hospitalized patients and up to 35% in the surgical population at the preoperative assessment clinic. 1-5 Thus, the team in the operating theater will be confronted with these patients when perioperative antibiotic prophylaxis is needed. . Frequently, the consequence of a presumed β. ring are piperacillin, ticarcillin, aztreonam, ertapenem, imipenern, and meropenem. Risk factors for an allergic reaction to penicillin or cephalosporin are a positive history ofreaction and a positive skin test. Penicillin skin testing identifies patients with clinical hypersensitivity reactions in about 70% of cases (9). Allergic reaction - Ertapenem 1 g IV q24h OR? Severe penicillin allergy: ciprofloxacin 500 mg PO BID/400 mg IV q12h) PLUS Metronidazole 500 mg PO/IV q8h. Patients on broad-spectrum antibiotics at time of surgery or severely il Penicillin Allergy All drug-allergies must be documented on the medication chart with the patient's reaction • The diagnosis of penicillin allergy is often accepted without obtaining a detailed history of the patient's reaction. As a result, penicillins may unnecessarily be withheld from some patients who do not have a true allergy. This ma THE BEST ANTIBIOTIC SENSITIVITY CHART EVER (at least the best we could make) Created by James McCormack, BSc(Pharm), PharmD and Fawziah Lalji, BSc(Pharm), PharmD, FCSHP with assistance from Tim Lau Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC Gram Positive Cocci Anaerobes Streptococci Gram Negative Bacill

Ertapenem (Invanz): Basics, Side Effects & Review

Penicillin Allergy Pink Siicone Wristband Medical Alert ID

Ertapenem Intravenous: Uses, Side Effects, Interactions

Guidance on Penicillin Allergy. RBCH AMT August 2011 (v2011.0) Page 1 of 2 Guidance on Penicillin Allergy A significant proportion of patients are incorrectly labeled penicillin allergic either on the basis of symptoms reflecting drug side-effects (e.g. nausea, diarrhoea) as opposed to allergy or on the basis of an inadequate history INVanz Brand Names: Canada INVanz What is this drug used for? It is used to treat or prevent bacterial infections. What do I need to tell my doctor BEFORE I take this drug? If you are allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had Penicillin Allergy -The Label Starts in Childhood • Many patients labeled in an EMR have been told they were penicillin allergic as a child • Label becomes lifelong (in one study 75% labeled by age 3*) • Most were never allergic • Drug viral interaction • Side effec Alternative for penicillin allergy or if penicillin is not tolerated Clarithromycin 1 month to 11 years: Under 8 kg, 7.5 mg/kg twice a day for 5 days 8 to 11 kg, 62.5 mg twice a day for 5 days 12 to 19 kg, 125 mg twice a day for 5 days 20 to 29 kg, 187.5 mg twice a day for 5 days 30 to 40 kg, 250 mg twice a day for 5 day Ertapenem is a 1-beta-methyl carbapenem and broad-spectrum beta-lactam antibiotic with bactericidal property. Ertapenem binds to penicillin binding proteins (PBPs) located on the bacterial cell wall, in particular PBPs 2 and 3, thereby inhibiting the final transpeptidation step in the synthesis of peptidoglycan, an essential component of the bacterial cell wall

Ertapenem (Invanz) - Side Effects, Interactions, Uses

A clinical history of penicillin allergy in the more distant past (>15 years) is associated with only a very low risk (0.4%) of reactions [20] , and only 20-30% of patients positive on a penicillin skin test remain positive after ten years [21] . An allergic reaction is most co. mmonly. seen after parenteral administration allergy field) can occur after 0.5 to 4% of all antimicrobial courses depending on the specific agent. Expect a higher incidence of new intolerances in patients with three or more prior medication intolerances.4 A thorough allergy assessment should always be conducted in any patient reporting an allergy. Patient has a Penicillin Allergy Benzathine Penicillin G. Pediatr Asthma Allergy Immunol 2000;14(4):329-332 16. Allergic Reactions to Long-Term Benzathine Penicillin Prophylaxis for Rheumatic Fever. International Rheumatic Fever Study Group. Lancet 1991 Jun 1; 337(8753):1308-10 17. Idsoe O, GutheT, Willcox RR & De Weck AL Ertapenem, meropenem, and doripenem are Pregnancy Category B, while imipenem-cilastatin is Pregnancy Category C. 19 Pharmacokinetic changes associated with pregnancy have shown decreased imipenem concentrations. 19 Carbapenem therapy should be reserved for pregnant women with infections that are resistant to penicillin and cephalosporin therapy. Ertapenem 1 gm IV q24h: Penicillin allergic: Ciprofloxacin 400mg IVPB q12h OR Levofloxacin 750 mg IV q24h OR Aztreonam 2 grams IV q6h to q8h. PLUS Metronidazole 500mg IVPB q6h: Images: Diverticulitis. Follow us  Certification. This site complies with the HONcode standard for trust- worthy health information: verify here

ERTAPENEM Drug BNF content published by NIC

Testing Procedure - PRE-PEN®Onychomadesis Secondary to Penicillin Allergy in a ChildAre you allergic to any medication?

ertapenem Michigan Medicin

Acute diverticulitis is inflammation of the colonic diverticulum, which may involve perforation or microperforation (Figures 1 and 2).In Western societies, most diverticula (85 percent) are found. Note: Ertapenem, a new carbapenem doesn't cover pseudomonas. All carbapenems are resistant to Beta-lactamases, including Extended Spectrum Bata-Lactamases (ESBL). Aztreonam (a monobactam) Ciprofloxacin (Resistance is increasing) & Levofloxacin. ** Cipro and levofloxacin still provide excellent coverage for Pseudomonas, especially after I.D.

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an antibiotic such as amoxicillin (Amoxil, Augmentin, Dispermox, Moxatag), ampicillin (Principen, Unasyn), dicloxacillin (Dycill, Dynapen), oxacillin , or penicillin (Bicillin L-A, PC Pen VK, Pfizerpen). You should not inject ertapenem into a muscle if you are allergic to a numbing medicine such as lidocaine or Novocain Ertapenem is a broad spectrum carbapenem antibiotic. It inhibits bacterial cell wall synthesis by binding to penicillin-(1-4) INDICATIONS AND RESTRICTIONS Ertapenem is active against many resistant enteric Gram-negative rods, anaerobes and many Gram-positive organisms. It has poor activity against P.aeruginosa, Enterococcus an

Antibiotic allergy

Allergy to ertapenem (Concept Id: C2711902

Ertapenem, a group 1 carbapenem with a narrower spectrum of activity, has a low minimum inhibitory concentration (MIC) against these organisms, making it very promising as a first-line agent. [ 7. Allergies —Tell your doctor if you have ever had any unusual or allergic reaction to ertapenem. Also tell your health care professional if you have ever had any had any unusual or allergic reaction to penicillins, cephalosporins, beta-lactamase inhibitors, lidocaine, or local anesthetics of the amide type The bactericidal activity of ertapenem results from the inhibition of cell wall synthesis and is mediated through ertapenem binding to penicillin-binding proteins. It is stable against hydrolysis by a variety of beta-lactamases, including penicillinases, cephalosporinases, and extended-spectrum beta-lactamases

PPT - Allergic Cross-Reactivity Among -Lactam Antibiotics

1 Types with Common Indications. 1.1 Natural Penicillins (Penicillin G and Penicillin V) 1.2 Anti-Staphylococcal (Penicilinase-Resistant) Penicillins. 1.2.1 Nafcillin, oxacillin, dicloxacillin. 1.3 Amino (Expanded-Spectrum) Penicillins. 1.3.1 Ampicillin, amoxicillin (+ clavulanate) 1.4 Antipseudomonal Penicillins. 1.4.1 Piperacillin Upset stomach or throwing up. Diarrhea. Headache. Irritation where INVanz is given. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-332-1088 Difficulties arise where patients are allergic to penicillin: see below. Amoxicillin-clavulinate (co-amoxiclav, Augmentin) and piperacillin-tazobactam are safe. Penicillin allergy. Cephalosporins. Cephalosporins appear to be safe. Carbapenems and monobactams. Imipenem (including imipenem-cilistatin), meropenem, ertapenem and aztreonam appear to. Ertapenem (Invanz) is an infusion medication used to treat serious bacterial infections throughout the body by killing off the infection-causing bacteria. It is intended for use in adults and children aged 3 months and older who have moderate to severe infections caused by susceptible bacteria, including