Aclox 500mg Injection: Complete Medicine Guide
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Difficulty breathing, wheezing, or swelling of the face, lips, or throat.
- Sudden drop in blood pressure, dizziness, or fainting.
- Severe diarrhea that is watery or contains blood, or persistent abdominal cramps.
- Yellowing of the skin or eyes, dark urine, or severe abdominal pain.
- Decreased urine output or swelling in the legs or feet.
- Unusual bruising or bleeding, such as nosebleeds or bleeding gums.
- High fever that does not improve after 48 to 72 hours of treatment.
- Severe pain, redness, or swelling at the injection site that worsens over time.
If experiencing severe symptoms, call emergency services immediately.
What is aclox 500mg injection used for?
This medicine is a penicillin antibiotic given by injection to treat serious bacterial infections caused by susceptible staphylococci. It works by killing bacteria and is administered by a healthcare professional.
- Generic Name: Cloxacillin (500mg)
- Manufacturer: Osper Formulations Pvt Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 aclox 500mg injection के बारे में (Hindi Summary)
उपयोग: यह दवा क्लोक्सासिलिन का इंजेक्शन रूप है, जिसका उपयोग स्टैफिलोकोकस ऑरियस जैसे बैक्टीरिया से होने वाले गंभीर संक्रमणों के इलाज के लिए किया जाता है। यह त्वचा और मांसपेशियों के संक्रमण, हड्डियों और जोड़ों के संक्रमण, रक्त के संक्रमण और हृदय के आंतरिक संक्रमण (एंडोकार्डिटिस) में प्रभावी है। यह दवा केवल डॉक्टर या प्रशिक्षित स्वास्थ्यकर्मी द्वारा इंजेक्शन के माध्यम से दी जाती है। यह बैक्टीरिया की कोशिका भित्ति को नष्ट करके उन्हें मार देती है। इसका उपयोग उन रोगियों में नहीं किया जाना चाहिए जिन्हें पेनिसिलिन से एलर्जी है।
साइड इफेक्ट्स: इस दवा के कुछ सामान्य दुष्प्रभाव हो सकते हैं, जैसे इंजेक्शन लगाने की जगह पर दर्द, लालिमा या सूजन। कुछ लोगों को मतली, उल्टी, दस्त या मुँह में धातु जैसा स्वाद महसूस हो सकता है। कभी-कभी त्वचा पर चकत्ते, खुजली या एलर्जी हो सकती है। गंभीर एलर्जी प्रतिक्रिया (एनाफिलेक्सिस) दुर्लभ है, लेकिन इसमें सांस लेने में कठिनाई, चेहरे या गले में सूजन और रक्तचाप में अचानक गिरावट हो सकती है। अगर आपको कोई भी असामान्य लक्षण दिखे तो तुरंत डॉक्टर को बताएं।
सुरक्षा सलाह: यह दवा केवल अस्पताल या क्लिनिक में डॉक्टर या नर्स द्वारा दी जाती है, इसलिए इसे घर पर स्वयं न लगाएं। अगर आपको पेनिसिलिन या सेफलोस्पोरिन से एलर्जी है तो डॉक्टर को पहले ही बता दें। अपनी सभी दवाओं और स्वास्थ्य स्थितियों के बारे में डॉक्टर को जानकारी दें। गर्भावस्था या स्तनपान के दौरान डॉक्टर से सलाह लें। इलाज के दौरान शराब न पिएं। एलर्जी के लक्षण जैसे चकत्ते, सूजन या सांस लेने में तकलीफ होने पर तुरंत मदद लें। संक्रमण पूरी तरह ठीक होने तक दवा का कोर्स पूरा करें, बीच में न छोड़ें।
💊 aclox 500mg injection Uses & Benefits
[{"condition":"Skin and soft tissue infections","description":"This medicine is used to treat infections of the skin and underlying tissues caused by penicillinase-producing Staphylococcus aureus, such as abscesses, cellulitis, and wound infections.","evidence":"Well-established"},{"condition":"Bone and joint infections","description":"It is effective in treating osteomyelitis and septic arthritis caused by susceptible staphylococci, often as part of a longer treatment course.","evidence":"Well-established"},{"condition":"Bloodstream infections (bacteremia)","description":"This medicine is used to treat bloodstream infections caused by susceptible gram-positive bacteria, especially when methicillin-susceptible Staphylococcus aureus is confirmed or suspected.","evidence":"Well-established"},{"condition":"Endocarditis","description":"It is used in the treatment of infective endocarditis caused by susceptible staphylococci, usually in combination with other antibiotics and under specialist care.","evidence":"Well-established"},{"condition":"Respiratory tract infections","description":"It may be used for certain respiratory infections such as pneumonia or lung abscess caused by susceptible staphylococci.","evidence":"Moderate"},{"condition":"Surgical prophylaxis","description":"In some surgical procedures, this medicine may be given to prevent postoperative infections caused by susceptible organisms.","evidence":"Moderate"}]
Off-label uses: [{"condition":"Methicillin-resistant Staphylococcus aureus (MRSA) infections","description":"This medicine is not effective against MRSA and is not used for this purpose. It is mentioned here only to clarify that it should not be used off-label for MRSA.","evidence":"Not applicable"}]
Primary treatment for: Bacterial infections caused by susceptible gram-positive organisms, especially penicillinase-producing Staphylococcus aureus.
Also treats: Skin and soft tissue infections, Osteomyelitis, Septic arthritis, Bacteremia, Endocarditis, Pneumonia
📋 Drug Information
| Generic Name(s) | Cloxacillin (500mg) |
| Brand Name | aclox 500mg injection |
| Manufacturer | Osper Formulations Pvt Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | ANTI INFECTIVES |
| Action Class | Cell wall active agent- Penicillinase resistant Penicillin |
| Route of Administration | Parenteral (intramuscular or intravenous injection). This medicine is administered by a healthcare professional as an intramuscular injection into a large muscle such as the buttock or thigh, or as an intravenous injection or infusion into a vein |
| Storage | Store this medicine in its original packaging at room temperature, between 15°C and 30°C (59°F to 86°F). Protect it from light and moisture. Do not freeze. Once reconstituted, the solution should be used immediately or stored as directed by the manufacturer. Keep out of reach of children. |
| Shelf Life | The shelf life of this medicine is typically 24 to 36 months from the date of manufacture, depending on the specific product. Always check the expiry date on the packaging before use. Do not use if the expiry date has passed. |
| WHO Guideline | Not established from the available information. Guidelines for the use of cloxacillin are typically based on local resistance patterns and institutional protocols. The World Health Organization (WHO) includes cloxacillin in its Model List of Essential Medicines for the treatment of infections due to susceptible bacteria, but specific recommendations vary by condition. |
| ICMR Guideline | Not established from the available information. The Indian Council of Medical Research (ICMR) provides treatment guidelines for various infections, but specific recommendations for cloxacillin may vary. Clinicians should refer to the latest ICMR guidelines for antimicrobial use. |
👨⚕️ 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 works by binding to specific penicillin-binding proteins located inside the bacterial cell wall. By doing so, it blocks the cross-linking of peptidoglycan chains, which are essential for the strength and rigidity of the bacterial cell wall. Without a properly formed cell wall, the bacteria cannot maintain their shape and internal pressure, leading to cell lysis and death. Because this medicine is resistant to destruction by penicillinase enzymes produced by many staphylococci, it remains active against those bacteria that would otherwise inactivate ordinary penicillin.
Mechanism Steps
💡 How to Take aclox 500mg injection
Strength: This medicine is available as a sterile powder for injection in a 500mg strength. It is reconstituted with sterile water or saline before administration. The dosage form is an injection, and the route is parenteral (intramuscular or intravenous).
Dosage Information
| Adult Dosage | The dose of this medicine must be individualized by a qualified clinician based on the type and severity of infection, the patient's age, weight, kidney function, and other medical conditions. For adults with normal kidney function, a typical dose is 250 mg to 500 mg given by intramuscular or intravenous injection every 4 to 6 hours. For severe infections, higher doses such as 1 to 2 grams every 4 to 6 hours may be used. The duration of treatment depends on the infection and clinical response. Do not self-administer; this medicine must be given by a healthcare professional. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. In general, the dose for children is calculated based on body weight and the severity of infection, and must be determined by a qualified pediatrician. This medicine should only be given to children under the supervision of a healthcare professional. |
| Elderly Dosage | Elderly patients (65 years and older) may have reduced kidney function, which can lead to higher blood levels of this medicine and an increased risk of side effects. The dose may need to be adjusted based on kidney function. Your doctor will monitor your kidney function and adjust the dose accordingly. Elderly patients should be observed closely for signs of allergic reactions and other side effects. |
| Renal Impairment | In patients with kidney impairment, the dose of this medicine may need to be reduced or the dosing interval lengthened. For patients with mild to moderate renal impairment (creatinine clearance 10-50 mL/min), the dose may be given every 6 to 8 hours. For severe renal impairment (creatinine clearance less than 10 mL/min), the dose may be given every 8 to 12 hours. Your doctor will determine the appropriate dose based on your kidney function tests. Close monitoring is required. |
| Hepatic Impairment | In patients with liver impairment, this medicine should be used with caution. The liver partially metabolizes cloxacillin, so hepatic impairment may lead to increased blood levels. Your doctor may need to adjust the dose and monitor liver function tests. There are no specific dose adjustment guidelines for hepatic impairment, so individualization by a clinician is essential. |
| Maximum Daily Dose | The maximum daily dose of this medicine is not fixed and depends on the severity of the infection and the patient's kidney function. In adults with normal kidney function, doses up to 12 grams per day have been used in severe infections under close medical supervision. However, the dose must be individualized by a qualified clinician. Never exceed the prescribed dose. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of aclox 500mg injection
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Warfarin | Major | |
| Methotrexate | Major | |
| Probenecid | Moderate | |
| Tetracyclines | Moderate | |
| Aminoglycosides | Moderate | |
| Oral contraceptives | Moderate | |
| Allopurinol | Moderate |
🚨 Major Interactions
- Warfarin
- Methotrexate
- Probenecid
- Tetracyclines
⚡ Moderate Interactions
- Aminoglycosides
- Oral contraceptives
- Allopurinol
🍷 Alcohol Interaction
Alcohol does not directly interact with this medicine, but drinking alcohol while you have an infection may worsen your condition, delay recovery, and increase the risk of stomach upset or liver problems. It is best to avoid alcohol until you have fully recovered and completed your treatment.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known history of severe allergic reaction (e.g., anaphylaxis) to cloxacillin, any other penicillin, or cephalosporins.","Previous history of cholestatic jaundice or hepatic dysfunction associated with cloxacillin use.","Use in patients with infectious mononucleosis, as they are at higher risk of developing a rash.","Concurrent use with tetracycline antibiotics (due to antagonism)."]
⚠️ Warnings & Precautions
["Before starting this medicine, tell your doctor if you are allergic to penicillins, cephalosporins, or any other drugs.","Use with caution in patients with a history of asthma, eczema, or other allergies, as they may be at higher risk of allergic reactions.","This medicine may cause false-positive results in certain urine glucose tests and urine protein tests.","Prolonged use may lead to overgrowth of non-susceptible organisms, including fungi; monitor for superinfection.","In patients with kidney impairment, dose adjustment may be necessary; your doctor will monitor your kidney function.","This medicine contains sodium; consider sodium intake in patients on a low-sodium diet.","Do not mix this medicine with other drugs in the same syringe or infusion bag unless compatibility is established.","Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding."]
🤱 Lactation Safety
This medicine is excreted in human breast milk in low concentrations. It is generally considered compatible with breastfeeding, but the infant should be monitored for diarrhea, thrush, or allergic reactions. Consult your doctor before breastfeeding while receiving this medicine.
💊 Overdose Management
Overdose with this medicine is unlikely because it is given by healthcare professionals. However, if an excessive dose is administered, it can cause neuromuscular hyperexcitability, seizures, and severe gastrointestinal symptoms. Treatment is supportive and symptomatic. In case of overdose, stop the infusion immediately and contact a poison control center or emergency department. Hemodialysis may be considered to remove the drug from the blood in severe cases, especially in patients with kidney failure.
⏰ Missed Dose
Because this medicine is given by a healthcare professional in a hospital or clinic setting, a missed dose is unlikely. If you miss an appointment for your injection, contact your doctor or clinic as soon as possible to reschedule. Do not try to self-administer this medicine at home. If you are receiving this medicine at home through a home healthcare service, follow the specific instructions provided by your healthcare team. In general, if you miss a dose, take it as soon as you remember if it is less than half the dosing interval away; otherwise, skip the missed dose and continue with your regular schedule. Never double the dose to make up for a missed one.
Additional Safety Advice
This medicine is given only by a healthcare professional, so you will not be administering it yourself at home. Always inform your doctor or nurse if you have ever had an allergic reaction to any antibiotic, especially penicillins or cephalosporins. Before starting treatment, tell your healthcare team about all other medicines you are taking, including over-the-counter drugs and herbal supplements, because this medicine can interact with some of them. If you are pregnant, planning to become pregnant, or breastfeeding, let your doctor know so they can decide whether this medicine is right for you. While receiving this medicine, watch for any signs of a severe allergic reaction such as rash, itching, swelling, or difficulty breathing, and seek immediate medical help if these occur. Do not stop treatment early even if you feel better, because incomplete treatment can allow the infection to return and may lead to antibiotic resistance. Keep all follow-up appointments so your doctor can monitor your response and check for any side effects.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are more likely to have reduced kidney function, which can lead to higher blood levels of this medicine and an increased risk of side effects. The dose may need to be adjusted based on kidney function. Elderly patients should be monitored closely for signs of allergic reactions, kidney problems, and blood disorders. They may also be more susceptible to drug interactions due to multiple medications.
🤰 Pregnancy Planning (TTC)
If you are planning to become pregnant, discuss with your doctor before starting this medicine. This medicine is generally considered safe during pregnancy when clearly needed, but it should only be used under medical supervision. If you become pregnant while receiving this medicine, inform your doctor immediately.
🏥 Post-Surgery Considerations
This medicine may be used before, during, or after surgery to prevent or treat infections. If you are scheduled for surgery, your doctor may prescribe this medicine as prophylaxis. After surgery, continue to follow your doctor's instructions for wound care and monitor for signs of infection. Inform your surgeon if you have any allergies to antibiotics.
🦷 Dental Procedures
This medicine may be used to treat dental infections caused by susceptible bacteria, or as prophylaxis before dental procedures in patients at risk of endocarditis. Inform your dentist if you are allergic to penicillin. If you are receiving this medicine, tell your dentist before any dental procedure.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
While receiving this medicine, you may feel tired or weak, especially if you have a serious infection. Avoid strenuous exercise until you have fully recovered. Light activities such as walking may be beneficial, but consult your doctor before starting any exercise routine. If you experience dizziness or shortness of breath, stop exercising and seek medical advice.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine is given in a hospital or clinic setting, so you may need to take time off work or arrange for transportation to receive your injections. You may feel tired or unwell during treatment, so it is best to rest and avoid strenuous activities. If you experience dizziness or drowsiness, avoid driving or operating machinery. Discuss your work schedule with your employer and doctor to plan your treatment appropriately.
🛑 When to Stop This Medicine
You should not stop this medicine on your own. Your doctor will determine when to stop based on your clinical response and the completion of the prescribed course. If you experience severe side effects or an allergic reaction, your doctor may stop the medicine and switch to an alternative. Always consult your doctor before stopping treatment.
📅 Long-Term Use Effects
Long-term use of this medicine, especially at high doses, may increase the risk of liver and kidney problems, blood disorders, and superinfections. Regular monitoring of liver and kidney function, as well as blood counts, is recommended for patients on prolonged therapy. If you experience any unusual symptoms such as yellowing of the eyes or skin, dark urine, decreased urine output, or unusual bleeding, contact your doctor immediately. The risk of these effects increases with the duration of treatment and the presence of underlying medical conditions.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
For mild infections, oral antibiotics such as flucloxacillin or dicloxacillin may be used instead of injections.
Evidence: Well-establishedFor patients allergic to penicillin, alternatives such as vancomycin or clindamycin may be used, depending on the susceptibility of the bacteria.
Evidence: Well-establishedFor abscesses, surgical drainage may be necessary in addition to antibiotic therapy.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
This medicine does not interact with vaccines. However, if you are scheduled to receive a live vaccine, inform your doctor, as antibiotics may affect the immune response to certain vaccines. In general, antibiotics do not contraindicate vaccination, but it is best to discuss with your healthcare provider.
📦 Storage Guide
✅ DO
Store at room temperature (15-30°C).
❌ DON'T
Do not freeze or refrigerate unless directed by the manufacturer.
✅ DO
Keep in the original container or carton.
❌ DON'T
Do not transfer to unmarked containers.
✅ DO
Protect from light and moisture.
❌ DON'T
Do not store in the bathroom or near a sink.
✅ DO
Keep out of reach of children.
❌ DON'T
Do not use if the solution is discolored or contains particles.
✈️ Traveling with This Medicine
If you are receiving this medicine while traveling, it must be administered by a healthcare professional. Carry a copy of your prescription and a letter from your doctor explaining the medical need for the injection. Keep the medicine in its original packaging and store it at room temperature, away from direct sunlight. If you need to cross time zones, consult your doctor about adjusting the dosing schedule. Check the customs regulations of your destination country regarding injectable medicines, and carry a doctor's note to avoid any issues. Never pack this medicine in checked luggage; keep it in your carry-on bag with proper documentation.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: You may start to feel better within 24 to 48 hours after starting treatment, but it may take several days for the full effect. It is important to complete the full course as prescribed.
A: No, you should complete the full course of treatment even if you feel better. Stopping early can allow the infection to return and may lead to antibiotic resistance.
A: This medicine can be used in children, but the dose must be determined by a pediatrician based on the child's weight and the severity of the infection. It should only be given under medical supervision.
A: Since this medicine is given by a healthcare professional, a missed dose is unlikely. If you miss an appointment, contact your doctor or clinic to reschedule as soon as possible.
A: This medicine may cause dizziness or drowsiness in some people. Avoid driving or operating heavy machinery until you know how it affects you.
🤔 Common Patient Concerns
🔄 Substitutes for aclox 500mg injection
View AllAlternative brands with exact same active ingredient:
-
bioclox 500mg injectionBiochem Pharmaceutical Industries ₹8.21 2.3% CHEAPER
-
klox 500mg injectionHetero Drugs Ltd ₹8.78 4.5% COSTLIER
-
neoclox 500mg injectionNeon Laboratories Ltd ₹9.96 18.6% COSTLIER
-
mediclox 500mg injectionModern Laboratories ₹11.00 31% COSTLIER
-
bioclox 500mg capsuleBiochem Pharmaceutical Industries ₹24.76 194.8% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine can be taken orally instead of injection.
Fact: This medicine is formulated for injection only and must be given by a healthcare professional. Oral forms are different and not interchangeable. - Myth: This medicine is effective against all types of infections.
Fact: This medicine is only effective against certain gram-positive bacteria, especially penicillinase-producing staphylococci. It is not effective against viruses or MRSA. - Myth: You can stop treatment as soon as you feel better.
Fact: You must complete the full course as prescribed, even if you feel better, to prevent the infection from returning and to reduce the risk of antibiotic resistance. - Myth: This medicine is safe for everyone.
Fact: This medicine is not safe for people with a known allergy to penicillins or cephalosporins. Always inform your doctor of any allergies.
🔄 Alternative Options
Generic Alternatives
- Cloxacillin Sodium for Injection
Brand Alternatives
- Aclox 500mg Injection