Aztreonam 1000 mg Injection: Complete Guide to Uses, Dose, and Safety
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Swelling of the face, lips, tongue, or throat, or difficulty breathing
- A sudden widespread rash with blisters or peeling skin
- Severe watery diarrhea, bloody stools, or severe abdominal cramps
- A fit, confusion, or unusual body movements
- Yellowing of the eyes or skin, dark urine, or severe tiredness
- Very low urine output or swelling of the legs and feet
- Unusual bruising or bleeding from the gums or nose
- Chest pain, palpitations, or fainting
If experiencing severe symptoms, call emergency services immediately.
What is atenom 1000mg injection used for?
This medicine is an intravenous monobactam antibiotic containing aztreonam 1000 mg. It treats serious infections caused by gram-negative bacteria such as Escherichia coli, Klebsiella, and Pseudomonas aeruginosa. It works by blocking bacterial cell wall formation and is often chosen for patients allergic to penicillin.
- Generic Name: Aztreonam
- Manufacturer: Mandevis Pharma
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 atenom 1000mg injection के बारे में (Hindi Summary)
उपयोग: यह दवा एज़्ट्रेओनम 1000 मिलीग्राम इंजेक्शन है, जो गंभीर बैक्टीरियल संक्रमण के इलाज के लिए नस के जरिए दी जाती है। यह मुख्य रूप से ग्राम-नेगेटिव बैक्टीरिया जैसे ई. कोली, क्लेबसिएला और स्यूडोमोनास के कारण होने वाले संक्रमणों में इस्तेमाल होती है। इसे मूत्र मार्ग के जटिल संक्रमण, निमोनिया, खून के संक्रमण, पेट के अंदर के संक्रमण, त्वचा के संक्रमण और सिस्टिक फाइब्रोसिस वाले मरीजों के फेफड़ों के संक्रमण में दिया जाता है। यह दवा बैक्टीरिया की कोशिका भित्ति बनने को रोककर उन्हें मार देती है। जिन मरीजों को पेनिसिलिन से गंभीर एलर्जी होती है, उनके लिए यह दवा अक्सर सुरक्षित विकल्प मानी जाती है। यह दवा केवल डॉक्टर की देखरेख में अस्पताल में ही दी जानी चाहिए।
साइड इफेक्ट्स: इस दवा के आम दुष्प्रभावों में दस्त, जी मिचलाना, उल्टी, पेट दर्द, सिरदर्द, चक्कर आना, त्वचा पर दाने और इंजेक्शन की जगह पर दर्द या सूजन शामिल हैं। ये आमतौर पर हल्के होते हैं और इलाज जारी रहने पर ठीक हो जाते हैं। कभी-कभी गंभीर एलर्जी हो सकती है, जिसमें चेहरे या गले में सूजन, सांस लेने में तकलीफ और पूरे शरीर पर खुजली वाले दाने हो सकते हैं। दुर्लभ मामलों में यह दवा आंतों का गंभीर संक्रमण, खून की गड़बड़ी, दौरे या लिवर की समस्या पैदा कर सकती है। कोई भी गंभीर लक्षण दिखने पर तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: यह दवा केवल प्रशिक्षित स्वास्थ्यकर्मी द्वारा नस के जरिए दी जाती है, इसलिए इसे घर पर खुद न लगाएं। इंजेक्शन से पहले अपनी सभी एलर्जी, खासकर पेनिसिलिन या सेफलोस्पोरिन से एलर्जी, डॉक्टर को जरूर बताएं। अगर आपको किडनी या लिवर की बीमारी है या दौरे पड़ते हैं, तो डॉक्टर को बताएं ताकि खुराक बदली जा सके। डॉक्टर की बताई गई पूरी अवधि तक इलाज कराएं, बीच में न छोड़ें। दस्त, खूनी दस्त या पेट में तेज दर्द होने पर तुरंत डॉक्टर को बताएं। इंजेक्शन के दौरान सांस लेने में तकलीफ, सूजन या दाने दिखें तो तुरंत मदद लें। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर को पहले ही बता दें।
💊 atenom 1000mg injection Uses & Benefits
[{"condition":"Complicated urinary tract infection","description":"This medicine is used to treat serious kidney and bladder infections caused by susceptible gram-negative bacteria such as Escherichia coli, Klebsiella, and Pseudomonas.","evidence":"Well-established"},{"condition":"Hospital-acquired and ventilator-associated pneumonia","description":"It is used for severe lung infections caused by gram-negative bacteria, often in combination with another antibiotic that covers gram-positive organisms.","evidence":"Well-established"},{"condition":"Bloodstream infection (septicemia)","description":"This medicine is given intravenously to treat serious blood infections caused by susceptible gram-negative bacteria.","evidence":"Well-established"},{"condition":"Intra-abdominal infection","description":"It is used for abdominal infections such as peritonitis and abscesses, usually combined with an antibiotic that covers anaerobic bacteria.","evidence":"Well-established"},{"condition":"Skin and soft tissue infection","description":"This medicine treats complicated skin infections caused by susceptible gram-negative bacteria.","evidence":"Well-established"},{"condition":"Gynecological infection","description":"It is used for serious pelvic infections caused by susceptible gram-negative bacteria, often with additional anaerobic coverage.","evidence":"Well-established"},{"condition":"Cystic fibrosis lung infection","description":"This medicine is used to treat Pseudomonas aeruginosa lung infections in people with cystic fibrosis.","evidence":"Well-established"},{"condition":"Bone and joint infection","description":"It may be used for osteomyelitis and septic arthritis caused by susceptible gram-negative bacteria.","evidence":"Moderate"}]
Off-label uses: [{"condition":"Perioperative prophylaxis in penicillin-allergic patients","description":"Sometimes used before surgery in patients with severe beta-lactam allergy to prevent gram-negative surgical site infection.","evidence":"Limited"},{"condition":"Atypical mycobacterial infection","description":"Occasionally used as part of a combination regimen for certain difficult-to-treat mycobacterial infections.","evidence":"Limited"}]
Primary treatment for: Serious gram-negative bacterial infections
Also treats: Complicated urinary tract infection, Hospital-acquired pneumonia, Bloodstream infection, Intra-abdominal infection, Skin and soft tissue infection, Cystic fibrosis lung infection
📋 Drug Information
| Generic Name(s) | Aztreonam |
| Brand Name | Azenam 1gm Injection |
| Manufacturer | Mandevis Pharma |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | ANTI INFECTIVES |
| Action Class | Monobactams |
| Route of Administration | Intravenous |
| Storage | Store this medicine below 30°C in a dry place, protected from light. Keep the vial in its original carton until use. After reconstitution, the solution should be used as directed by the hospital pharmacy, usually within a few hours if kept at room temperature or within 24 to 48 hours if refrigerated. Do not freeze the reconstituted solution. |
| Shelf Life | The shelf life of this medicine is usually 24 months from the date of manufacture when stored as directed. Always check the expiry date on the vial and carton before use. |
| WHO Guideline | The World Health Organization includes aztreonam in its list of essential medicines for treating serious bacterial infections. It is recommended as an alternative for patients with severe beta-lactam allergy when a gram-negative infection needs treatment. The exact use should follow local hospital guidelines and culture reports. |
| ICMR Guideline | The Indian Council of Medical Research treatment guidelines for antimicrobial use list aztreonam as an option for serious gram-negative infections, especially in patients with severe penicillin allergy. It should be used only when indicated and after sending cultures, as part of antimicrobial stewardship. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
This medicine is a monobactam antibiotic that kills bacteria by interfering with the building of the bacterial cell wall. It binds with high affinity to penicillin-binding protein 3, which is needed for cross-linking the peptidoglycan layer of the cell wall. When this cross-linking is blocked, the bacterial cell wall becomes weak and the bacterium dies. Because it binds only to penicillin-binding protein 3 and not to other penicillin-binding proteins, it is active mainly against aerobic gram-negative bacteria and has little activity against gram-positive bacteria or anaerobes.
Mechanism Steps
💡 How to Take atenom 1000mg injection
Strength: This medicine is supplied as a sterile powder for injection in a 1000 mg vial, which is reconstituted and given intravenously.
Dosage Information
| Adult Dosage | The usual adult dose of this medicine is 1000 mg given intravenously every 8 to 12 hours, depending on the type and severity of the infection. For serious infections such as bloodstream infection or hospital-acquired pneumonia, 2000 mg every 6 to 8 hours may be used. For complicated urinary tract infection, 500 mg to 1000 mg every 8 to 12 hours is often enough. The dose must be individualized by a qualified clinician based on the indication, age, weight, kidney and liver function, and the bacteria causing the infection. |
| Pediatric Dosage | Pediatric dosing of this medicine is based on body weight and is decided by a pediatrician. It is usually given as 30 mg per kg every 6 to 8 hours for serious infections, with a maximum of 120 mg per kg per day. Newborn infants need longer dosing intervals because their kidneys are not fully mature. Pediatric dosing is not established from available information for all age groups, so consult a pediatrician for exact dosing. |
| Elderly Dosage | Older adults usually receive the same dose as younger adults, but the dose must be adjusted if kidney function is reduced, which is common after the age of 65. Kidney function should be checked before and during treatment, and the dose or dosing interval should be changed accordingly by the doctor. |
| Renal Impairment | This medicine is removed mainly by the kidneys, so the dose must be reduced in kidney impairment. In adults with a creatinine clearance between 10 and 30 mL per minute, the usual dose is given and then followed by half the dose at the same interval. In adults with a creatinine clearance below 10 mL per minute, the initial dose is given and then one quarter of the dose is given at the same interval. Patients on hemodialysis should receive a dose after each dialysis session. The exact schedule must be decided by a qualified clinician. |
| Hepatic Impairment | Mild to moderate liver disease does not usually need a change in dose because this medicine is not heavily metabolized by the liver. In severe liver disease with kidney impairment, the dose should be adjusted based on kidney function. The treating doctor will decide the exact dose after assessing the whole clinical picture. |
| Maximum Daily Dose | The maximum recommended daily dose of this medicine is 8000 mg per day in adults with normal kidney function, given in divided doses. Doses above this are not recommended because of the risk of side effects. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of atenom 1000mg injection
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Gentamicin | Major | |
| Amikacin | Major | |
| Furosemide | Major | |
| Probenecid | Major | |
| Warfarin | Moderate | |
| Methotrexate | Moderate | |
| Oral typhoid vaccine | Moderate | |
| Oral contraceptives | Minor | |
| Paracetamol | Minor | |
| Ibuprofen | Minor |
🚨 Major Interactions
- Other beta-lactam antibiotics such as penicillins and cephalosporins
- Aminoglycosides such as gentamicin and amikacin
- Loop diuretics such as furosemide
- Probenecid
⚡ Moderate Interactions
- Warfarin and other blood thinners
- Methotrexate
- Live bacterial vaccines such as oral typhoid vaccine
🍷 Alcohol Interaction
Alcohol does not directly change the blood level of this medicine, but drinking alcohol during a serious infection can worsen dehydration, nausea, and liver strain. It is best to avoid alcohol until you have fully recovered and your doctor has said it is safe.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known severe allergy to aztreonam or any ingredient of this medicine","Previous severe immediate allergic reaction to this medicine","Use without dose adjustment in severe kidney impairment","Use as the only antibiotic for infections caused by gram-positive bacteria or anaerobic bacteria"]
⚠️ Warnings & Precautions
["Tell your doctor about any allergy to penicillin, cephalosporins, or carbapenems before receiving this medicine.","The dose must be reduced in patients with kidney impairment to prevent seizures and other toxic effects.","Watch for new watery diarrhea, which may be a sign of a serious gut infection called Clostridioides difficile colitis.","Prolonged use can lead to overgrowth of resistant bacteria or fungi, which may need separate treatment.","Use with care in newborn infants because their kidneys are not fully mature and the half-life is longer.","This medicine does not cover gram-positive bacteria or anaerobes, so a second antibiotic may be needed for mixed infections.","Blood counts and kidney function should be checked during long treatment courses."]
🤱 Lactation Safety
This medicine passes into breast milk in small amounts. It is usually considered compatible with breastfeeding, but the baby should be watched for diarrhea, thrush, or rash. If you are breastfeeding, discuss the timing of feeds with your doctor.
💊 Overdose Management
There is no specific antidote for an overdose of this medicine. An overdose can cause nausea, vomiting, and, in people with kidney disease, seizures. Treatment is supportive and includes close monitoring of vital signs, kidney function, and neurological status. In serious cases, hemodialysis can remove this medicine from the blood and may be used by the treating team.
⏰ Missed Dose
This medicine is given by a healthcare professional in a hospital or clinic, so a missed dose is usually managed by the nursing staff. If you miss a scheduled appointment for your dose, contact your doctor or clinic as soon as possible. Do not try to give yourself an extra dose to make up for the missed one. Your doctor will decide the best time for the next dose based on your treatment schedule.
Additional Safety Advice
This medicine must be given only by a trained healthcare professional through an intravenous line. Do not attempt to self-inject this medicine at home. Tell your doctor about all your allergies, especially any previous reaction to penicillin, cephalosporins, or other beta-lactam antibiotics, before receiving this medicine. Inform your doctor if you have kidney disease, liver disease, or a history of seizures, because the dose may need adjustment. Complete the full course prescribed by your doctor even if you start feeling better, to prevent the infection from returning and to reduce the risk of resistance. Report any new watery diarrhea, blood in stool, or severe stomach cramps immediately, as these may be signs of a serious gut infection. Watch for rash, swelling, or breathing difficulty during or after the infusion and seek emergency care if these occur. If you are pregnant, planning pregnancy, or breastfeeding, tell your doctor so the risks and benefits can be discussed. Keep all follow-up appointments for blood tests and clinical review.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Older adults are more likely to have reduced kidney function, so the dose of this medicine must be checked carefully and adjusted if needed. They are also more prone to dizziness, confusion, and falls during treatment. Kidney function, blood counts, and liver tests should be monitored more closely, and any new confusion or reduced urine output should be reported to the doctor at once.
🤰 Pregnancy Planning (TTC)
If you are planning pregnancy, tell your doctor before starting this medicine. This medicine is generally used in pregnancy only when a serious gram-negative infection needs treatment and safer options are not suitable. Discuss the risks and benefits with your doctor, and use effective contraception as advised during treatment.
🏥 Post-Surgery Considerations
This medicine is sometimes used after surgery to treat or prevent serious gram-negative infections. The dose and duration depend on the type of surgery, the site of infection, and kidney function. Keep the surgical wound clean and dry, and report any increasing pain, redness, or discharge to your surgeon. Follow all post-operative instructions carefully.
🦷 Dental Procedures
Tell your dentist about this medicine and your recent infection before any dental procedure. In most cases, a dental procedure does not need a change in this medicine, but if you have a serious infection or poor kidney function, the dentist may consult your doctor first. Good oral hygiene helps prevent new infections during recovery.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Avoid heavy exercise or strenuous activity while you are being treated for a serious infection. Light walking is fine if you feel well and your doctor agrees. If you feel dizzy, breathless, or very tired, rest and inform your doctor. Do not start a new exercise programme until you have recovered and your doctor has cleared you.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine is given in a hospital or clinic, so you may need time away from work during treatment. You may feel tired, dizzy, or weak, so avoid driving or operating heavy machinery until you feel fully normal. Desk work may be possible once your doctor says you are stable, but heavy physical work should wait until you have recovered. Discuss your work schedule with your doctor before returning.
🛑 When to Stop This Medicine
Do not stop this medicine on your own. Your doctor will decide when to stop based on your symptoms, culture reports, and overall progress. If you develop a serious side effect such as a severe allergic reaction, severe diarrhea, or a seizure, the doctor will stop the medicine immediately and change the treatment. Always ask your doctor before stopping or changing the treatment plan.
📅 Long-Term Use Effects
Long-term use of this medicine is not common because it is usually given for a limited course. Prolonged use can increase the risk of resistant bacteria, fungal overgrowth, Clostridioides difficile diarrhea, and changes in blood counts or liver tests. Kidney function should be monitored during long courses, especially in older adults and those with existing kidney disease. If treatment is needed for more than two weeks, the doctor will review the need regularly and may switch to a narrower antibiotic based on culture results.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Cephalosporins with good gram-negative coverage that may be used when appropriate.
Evidence: Well-establishedA broad-spectrum penicillin with beta-lactamase inhibitor for mixed infections.
Evidence: Well-establishedA carbapenem for serious infections caused by resistant gram-negative bacteria.
Evidence: Well-establishedSometimes combined with a beta-lactam for serious gram-negative infections.
Evidence: Moderate💉 Vaccination Considerations
💉 If You're Getting Vaccinated
This medicine may make live bacterial vaccines, such as the oral typhoid vaccine, less effective. Complete the antibiotic course and wait for the period advised by your doctor before taking a live bacterial vaccine. Other vaccines, such as flu or COVID-19 vaccines, can usually be given as advised by your doctor.
📦 Storage Guide
✅ DO
Store the vial below 30°C in a dry place.
❌ DON'T
Do not store it in a hot or damp place.
✅ DO
Keep the vial in its original carton to protect it from light.
❌ DON'T
Do not remove the label or mix vials.
✅ DO
Use the reconstituted solution within the time advised by the hospital pharmacy.
❌ DON'T
Do not freeze the reconstituted solution.
✅ DO
Check the expiry date before use.
❌ DON'T
Do not use a vial that is past its expiry date or has particles in the solution.
✈️ Traveling with This Medicine
This medicine is given in a hospital or clinic, so it is not usually carried by patients during travel. If you are discharged on a course that needs to be continued at a day-care centre, carry the original vial and prescription in a cool bag, keep the prescription copy with you, and inform the airline or border staff if asked. Store the vial below 30°C and protect it from light. If you are travelling across time zones, ask your doctor to adjust the dosing times so that the interval between doses stays correct. Never try to give yourself the injection while travelling.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: Most people start to feel better within 24 to 72 hours after the first dose, but the full course must be completed as advised by the doctor.
A: This medicine has very low cross-reactivity with penicillins and is often a safe choice, but your doctor must assess your allergy history before using it.
A: No. This medicine is given intravenously in a hospital or clinic under medical supervision.
A: No. It works mainly against gram-negative bacteria and does not cover most gram-positive bacteria or anaerobes, so another antibiotic may be added if needed.
A: Tell your doctor or nurse at once, especially if the diarrhea is watery, bloody, or associated with fever or severe stomach cramps.
A: No. Stopping early can let the infection return and can increase antibiotic resistance. Always complete the course advised by your doctor.
🤔 Common Patient Concerns
🔄 Substitutes for atenom 1000mg injection
View AllAlternative brands with exact same active ingredient:
-
azenem 1000mg injectionVytrax Healthcare ₹465.00 14.8% CHEAPER
-
deonam 1000mg injectionDr. Edwin Lab ₹539.00 1.2% CHEAPER
-
aztreorid 1000mg injectionIkon Remedies Pvt Ltd ₹545.00 0.1% CHEAPER
-
execute 1000mg injectionHuman Bio Organics Pvt Ltd ₹560.00 2.7% COSTLIER
-
betanam 1000mg injectionSystacare Remedies ₹561.56 2.9% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: Aztreonam can be taken as a tablet at home.
Fact: This medicine is given only by intravenous or intramuscular injection under medical supervision. - Myth: Aztreonam works for all types of infection.
Fact: It works mainly against gram-negative bacteria and does not cover most gram-positive bacteria or anaerobes. - Myth: Aztreonam is unsafe for everyone with penicillin allergy.
Fact: Aztreonam has very low cross-reactivity with penicillins and is often a safe choice, but the doctor must still assess the allergy history. - Myth: You can stop the injection as soon as you feel better.
Fact: Stopping early can allow the infection to return and can promote antibiotic resistance.
🔄 Alternative Options
Generic Alternatives
- Aztreonam 1000 mg injection
Brand Alternatives
- Azactam
- Aztreonam injection