Acitrom 4 Tablet (acenocoumarol 4 Mg): 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
- Blood in vomit or vomit that looks like coffee grounds
- Black, tarry, or bloody stools
- Red, pink, or brown urine
- Sudden severe headache, confusion, weakness, or difficulty speaking
- Coughing up blood or difficulty breathing
- Unusual bruising or bleeding that will not stop
- Sudden swelling of the face, lips, tongue, or throat
- Yellowing of the skin or eyes
- Painful dark or purple patches on the skin, especially in the first days of treatment
If experiencing severe symptoms, call emergency services immediately.
What is aceno 4mg tablet used for?
Acitrom 4 tablet contains acenocoumarol 4 mg, an oral anticoagulant that prevents blood clots. It is used for deep vein thrombosis, pulmonary embolism, atrial fibrillation, and mechanical heart valves. It requires regular INR blood tests and must be taken exactly as prescribed.
- Generic Name: Acenocoumarol
- Manufacturer: Zydus Cadila
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 aceno 4mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा एसिटेनोकौमारोल 4 मिलीग्राम की गोली है, जिसे खून को पतला करने वाली दवा कहा जाता है। यह खून में थक्का बनने से रोकती है और उन लोगों में दी जाती है जिन्हें पैरों की गहरी नसों में थक्का, फेफड़ों में थक्का, दिल की अनियमित धड़कन या कृत्रिम हृदय वाल्व की समस्या है। यह दवा दिल के दौरे और लकवे के खतरे को कम करने में मदद करती है। इस दवा को डॉक्टर की सलाह के बिना शुरू या बंद नहीं करना चाहिए। इसके साथ नियमित रूप से आईएनआर जांच करानी पड़ती है ताकि खुराक सही रहे।
साइड इफेक्ट्स: इस दवा का सबसे आम दुष्प्रभाव है खून का बहना, जैसे आसानी से नील पड़ना, नाक से खून आना, मसूड़ों से खून आना या छोटी चोट से ज्यादा खून बहना। कुछ लोगों को जी मिचलाना, उल्टी, दस्त या पेट में हल्की तकलीफ हो सकती है। कभी-कभी त्वचा पर चकत्ते, बाल झड़ना या त्वचा का रंग बदलना भी देखा गया है। गंभीर मामलों में पेट, आंत या दिमाग में खून बह सकता है। अगर काला पाखाना, खून की उल्टी, गंभीर सिरदर्द या शरीर पर अचानक नीले-बैंगनी धब्बे दिखें तो तुरंत डॉक्टर से मिलें।
सुरक्षा सलाह: इस दवा को रोज एक ही समय पर लें, आमतौर पर शाम को, जैसा डॉक्टर ने कहा हो। डॉक्टर की सलाह के बिना खुराक न बदलें और आईएनआर जांच के अपॉइंटमेंट न छोड़ें। हर डॉक्टर, दंत चिकित्सक और फार्मासिस्ट को बताएं कि आप यह दवा ले रहे हैं। शराब से पूरी तरह बचें या बहुत कम मात्रा में लें। पालक, ब्रोकली और मेथी जैसी हरी सब्जियों का सेवन एक जैसा रखें, अचानक बहुत ज्यादा या बहुत कम न करें। नरम टूथब्रश और इलेक्ट्रिक रेजर का इस्तेमाल करें। चोट लगने वाले खेलों से बचें। अपने साथ मेडिकल कार्ड रखें जिसमें लिखा हो कि आप खून पतला करने वाली दवा लेते हैं।
💊 aceno 4mg tablet Uses & Benefits
[{"condition":"Deep vein thrombosis (DVT)","description":"Used to treat existing blood clots in the deep veins of the legs and to prevent new clots from forming.","evidence":"Well-established"},{"condition":"Pulmonary embolism (PE)","description":"Used to treat blood clots that have traveled to the lungs and to prevent recurrence.","evidence":"Well-established"},{"condition":"Atrial fibrillation","description":"Helps reduce the risk of stroke in patients with irregular heart rhythm when anticoagulation is needed.","evidence":"Well-established"},{"condition":"Mechanical heart valves","description":"Prevents clot formation on artificial heart valves, which can otherwise cause stroke or valve blockage.","evidence":"Well-established"},{"condition":"Post-operative clot prevention","description":"Used after certain orthopedic or major surgeries to reduce the risk of venous thromboembolism.","evidence":"Well-established"}]
Off-label uses: [{"condition":"Antiphospholipid syndrome","description":"Sometimes used for clot prevention in patients with this autoimmune clotting disorder, though evidence is limited.","evidence":"Limited"},{"condition":"Cerebral venous sinus thrombosis","description":"May be used in selected patients after acute treatment, but evidence is limited.","evidence":"Limited"}]
Primary treatment for: Thromboembolic disorders
Also treats: Atrial fibrillation, Deep vein thrombosis, Pulmonary embolism, Mechanical heart valve replacement
📋 Drug Information
| Generic Name(s) | Acenocoumarol |
| Brand Name | Acitrom 2 Tablet |
| Manufacturer | Zydus Cadila |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | CARDIAC |
| Action Class | Vitamin K antagonists |
| Route of Administration | Oral |
| Storage | Store this medicine at room temperature between 15°C and 30°C in a dry place. Keep it in the original container with the lid tightly closed. Protect it from direct sunlight, heat, and moisture. Do not store it in the bathroom. Keep it out of reach of children and pets. |
| Shelf Life | The shelf life is usually 24 to 36 months from the date of manufacture, depending on the manufacturer. Always check the expiry date on the pack and do not use the medicine after that date. |
| WHO Guideline | The World Health Organization includes vitamin K antagonists such as acenocoumarol in its essential medicines list for anticoagulation. Specific recommendations depend on the condition and should be confirmed with current guidelines. |
| ICMR Guideline | Indian Council of Medical Research guidelines recommend vitamin K antagonists for anticoagulation in conditions such as atrial fibrillation, mechanical heart valves, and venous thromboembolism, with regular INR monitoring. Always follow your treating doctor's advice. |
👨⚕️ 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 blocks the enzyme vitamin K epoxide reductase, which is needed to recycle vitamin K in the liver. Without active vitamin K, the liver cannot properly produce clotting factors II, VII, IX, and X, as well as proteins C and S. This leads to lower levels of these functional clotting factors in the blood and a prolonged prothrombin time, which is measured as the INR. The anticoagulant effect is not immediate because the already circulating clotting factors must first decline.
Mechanism Steps
💡 How to Take aceno 4mg tablet
Strength: Acenocoumarol 4 mg immediate-release oral tablet.
Dosage Information
| Adult Dosage | The starting dose of this medicine is usually 1 to 4 mg once daily, but the exact dose depends on your INR, the condition being treated, your age, liver function, and other medicines you take. Your doctor will adjust the dose based on regular INR blood tests, aiming for an INR of 2 to 3 for most conditions or 2.5 to 3.5 for mechanical heart valves. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Never change the dose on your own. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | People above 65 years of age are more sensitive to the effects of this medicine and have a higher risk of bleeding. They often need lower doses and more frequent INR monitoring. Falls and other injury risks should be minimized. Dose must be individualized by a qualified clinician. |
| Renal Impairment | In mild to moderate kidney disease, the usual dose may be used with careful INR monitoring. In severe kidney disease, the effect of this medicine may be prolonged and the risk of bleeding is higher, so lower doses and more frequent monitoring are often needed. Dose must be individualized by a qualified clinician. |
| Hepatic Impairment | In mild to moderate liver disease, the dose may need to be reduced and INR monitored more often. This medicine should not be used in severe liver disease because the liver is already unable to make clotting factors and the risk of bleeding is very high. Dose must be individualized by a qualified clinician. |
| Maximum Daily Dose | The maximum daily dose is not fixed and depends on the INR response. Doses above 10 mg per day are rarely needed and should only be used under close medical supervision. Never exceed the dose prescribed by your doctor. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of aceno 4mg tablet
✅ 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 | |
| Aspirin | Major | |
| Ibuprofen | Major | |
| Amiodarone | Major | |
| Fluconazole | Major | |
| Rifampicin | Major | |
| Carbamazepine | Major | |
| Paracetamol (high dose) | Moderate | |
| Ciprofloxacin | Moderate | |
| Omeprazole | Moderate |
🚨 Major Interactions
- Warfarin
- Aspirin and other NSAIDs
- Amiodarone
- Fluconazole and other azole antifungals
- Rifampicin
- Carbamazepine and phenytoin
⚡ Moderate Interactions
- Paracetamol (acetaminophen) at high doses
- Ciprofloxacin and other fluoroquinolones
- Omeprazole and esomeprazole
- Levothyroxine
- Tramadol
🍷 Alcohol Interaction
Alcohol can interact dangerously with this medicine. Drinking alcohol regularly or in large amounts can change how the liver processes acenocoumarol and can raise or lower your INR unpredictably. Alcohol also irritates the stomach lining and increases the risk of gastrointestinal bleeding. It is safest to avoid alcohol completely while taking this medicine. If you do drink, limit it to no more than one standard drink on rare occasions and tell your doctor so your INR can be monitored more closely.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Active bleeding or high risk of bleeding","Severe liver disease or cirrhosis","Severe kidney disease","Uncontrolled severe high blood pressure","Recent or planned surgery of the brain, spine, or eye","Pregnancy, especially the first trimester","Known allergy or hypersensitivity to acenocoumarol","Blood disorders with high bleeding risk such as hemophilia","Active peptic ulcer disease"]
⚠️ Warnings & Precautions
["This medicine has a narrow safety margin and must be monitored with regular INR tests.","Many medicines, including antibiotics, pain relievers, and heart medicines, can change its effect.","Avoid activities that can cause injury, such as contact sports.","Tell all healthcare providers, including dentists, that you take this medicine.","Do not start or stop any medicine, supplement, or herbal product without asking your doctor.","Keep vitamin K intake steady and avoid sudden changes in diet.","Use a soft toothbrush and electric razor to reduce bleeding.","Carry a medical alert card or wear a bracelet stating you take an anticoagulant.","Seek immediate care for any unusual bleeding or severe headache."]
🤱 Lactation Safety
Acenocoumarol passes into breast milk in very small amounts and is generally considered compatible with breastfeeding, but the baby should be monitored for unusual bruising or bleeding. Always confirm with your doctor before breastfeeding while taking this medicine.
💊 Overdose Management
An overdose of this medicine can cause serious or life-threatening bleeding. If you suspect an overdose, seek emergency medical care immediately. Treatment may include stopping the medicine, giving vitamin K by injection, and in severe cases, giving fresh frozen plasma or clotting factor concentrates. Do not try to treat an overdose at home. Always keep the medicine out of reach of children.
⏰ Missed Dose
If you miss a dose, take it as soon as you remember on the same day. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Never take two doses at the same time to make up for a missed dose. If you are unsure what to do, contact your doctor or pharmacist. Missing doses can make your INR unstable and increase the risk of clots or bleeding.
Additional Safety Advice
Take this medicine exactly at the same time each day, usually in the evening, as advised by your doctor. Never change your dose without a fresh INR test and your doctor's instruction. Keep all blood test appointments because the dose is adjusted based on your INR value. Tell every doctor, dentist, or pharmacist who treats you that you are taking this medicine, because many medicines can change its effect. Avoid alcohol or limit it strictly, since alcohol can raise or lower your INR unpredictably. Eat a consistent amount of vitamin K-rich foods such as spinach, broccoli, and kale rather than suddenly increasing or decreasing them. Use a soft toothbrush and an electric razor to reduce bleeding risk. Avoid contact sports and activities that can cause injury. Carry a medical alert card or wear a bracelet stating that you take an anticoagulant. Do not take aspirin, ibuprofen, or other pain relievers without checking with your doctor first. If you miss a dose, follow your doctor's specific instructions and never double the dose.
👴 Special Considerations for Elderly
💡 For Patients Above 65
People above 65 years of age are more sensitive to this medicine and have a higher risk of bleeding, especially in the brain and stomach. They often need lower doses and more frequent INR checks. Falls should be prevented by removing trip hazards at home and using good lighting. Any confusion, weakness, or unusual headache should be taken seriously and checked urgently.
🤰 Pregnancy Planning (TTC)
This medicine is not recommended during pregnancy because it can cross the placenta and cause bleeding or birth defects in the baby. If you are planning pregnancy, speak to your doctor well in advance. They may switch you to a safer alternative such as heparin before conception. Use effective contraception while taking this medicine unless your doctor advises otherwise.
🏥 Post-Surgery Considerations
This medicine increases bleeding risk during and after surgery. You must tell your surgeon and anesthesiologist that you take it. Your doctor may ask you to stop the medicine or switch to a shorter-acting anticoagulant before surgery. After surgery, the medicine may be restarted once bleeding risk is acceptable, with close INR monitoring. Never stop or restart on your own.
🦷 Dental Procedures
Dental work such as tooth extraction or gum surgery can cause bleeding. Tell your dentist that you take this medicine before any procedure. Your dentist may consult your doctor to check your INR and decide whether any dose adjustment is needed. Do not stop the medicine on your own before dental work. After the procedure, apply pressure as advised and report any bleeding that does not stop.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Regular physical activity is good for your heart and circulation, but you should avoid contact sports such as boxing, football, and martial arts because of the risk of bleeding. Activities like walking, swimming, and cycling are usually safe. If you feel dizzy or unwell, stop exercising and rest. Always warm up and cool down, and stay hydrated.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
Most people can continue their normal work and daily activities while taking this medicine. However, jobs that involve a high risk of injury, such as construction work or contact sports, may need extra caution. Driving is generally safe, but avoid driving if you feel dizzy or unwell. Inform your employer and colleagues about your medicine in case of an emergency. Keep your medical alert card with you at all times.
🛑 When to Stop This Medicine
Do not stop this medicine on your own. Your doctor will decide when it is safe to stop based on your condition, INR results, and treatment plan. If you experience serious bleeding or a severe allergic reaction, seek emergency care immediately; the medicine may need to be stopped and reversed in a hospital. Always ask your doctor before stopping.
📅 Long-Term Use Effects
Long-term use of this medicine is safe when monitored properly, but it carries a continued risk of bleeding. Regular INR checks are needed to keep the dose in the right range. Long-term use can also rarely affect the liver, so liver function may be checked if symptoms appear. Do not stop the medicine without your doctor's advice, because stopping can increase the risk of clots. Your doctor will review the need for continued treatment periodically.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Medicines such as rivaroxaban, apixaban, and dabigatran may be options for some patients and usually do not need routine INR monitoring.
Evidence: Well-established for many indicationsCan help prevent deep vein thrombosis in some situations but do not replace anticoagulation when it is needed.
Evidence: Well-established for preventionRegular exercise, weight management, and a heart-healthy diet support overall vascular health but do not replace prescribed anticoagulation.
Evidence: Well-established for general health💉 Vaccination Considerations
💉 If You're Getting Vaccinated
Vaccinations that are given into the muscle, such as flu or tetanus shots, can cause bruising or bleeding in people taking this medicine. Inform the nurse or doctor that you take an anticoagulant. They may use a smaller needle and apply pressure for longer after the injection. There is no known interaction between this medicine and most vaccines, but always tell your healthcare provider.
📦 Storage Guide
✅ DO
Store at room temperature between 15°C and 30°C
❌ DON'T
Do not refrigerate unless the label says so
✅ DO
Keep in the original container with the lid tightly closed
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Keep away from direct sunlight and moisture
❌ DON'T
Do not store in the bathroom cabinet
✅ DO
Keep out of reach of children and pets
❌ DON'T
Do not use after the expiry date
✈️ Traveling with This Medicine
When traveling, carry this medicine in its original packaging with the prescription copy. Keep enough supply for the entire trip plus extra in case of delays. Store it in a cool, dry place away from direct sunlight. If crossing time zones, ask your doctor how to adjust the timing of your dose. Carry your medical alert card and a recent INR report. Declare the medicine at customs if required and keep it in your hand luggage, not checked baggage. Avoid alcohol during travel and maintain your usual diet as much as possible.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: The anticoagulant effect begins within 24 to 36 hours, but the full effect usually takes 3 to 5 days. Your doctor will check your INR to confirm it is working properly.
A: No. Stopping suddenly can cause a dangerous blood clot. Always speak to your doctor before stopping or changing the dose.
A: If you remember on the same day, take the missed dose. If it is almost time for the next dose, skip it and continue your regular schedule. Never double the dose.
A: Some painkillers, especially aspirin and ibuprofen, increase bleeding risk. Ask your doctor before taking any painkiller.
A: You do not need to avoid green leafy vegetables, but keep your intake consistent. Avoid large amounts of grapefruit and cranberry juice, and avoid alcohol.
A: This medicine is not recommended during pregnancy because it can harm the baby. If you are pregnant or planning pregnancy, speak to your doctor about safer alternatives.
🤔 Common Patient Concerns
🔄 Substitutes for aceno 4mg tablet
View AllAlternative brands with exact same active ingredient:
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nicoz 4mg tabletAjanta Pharma Ltd ₹52.21 55.4% CHEAPER
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Nistrom 4mg TabletNeiss Labs Pvt Ltd ₹57.00 51.3% CHEAPER
-
cenorol 4mg tabletEast West Pharma ₹62.44 46.6% CHEAPER
-
acethromb 4mg tabletSuvik Hitek Pvt Ltd ₹63.43 45.8% CHEAPER
-
acenomac 4mg tabletMacleods Pharmaceuticals Pvt Ltd ₹113.44 3% CHEAPER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: Acitrom 4 tablet can be stopped once I feel better.
Fact: This medicine must not be stopped without your doctor's advice because stopping suddenly can cause a dangerous blood clot. - Myth: I can eat as many green leafy vegetables as I want.
Fact: Vitamin K-rich foods can change the effect of this medicine. Keep your intake consistent and tell your doctor about major diet changes. - Myth: Missing one dose is not a problem.
Fact: Missing doses can make your INR unstable and increase the risk of clots or bleeding. Follow the missed dose instructions carefully. - Myth: This medicine thins the blood.
Fact: This medicine does not actually thin the blood. It slows down the clotting process by reducing clotting factors made in the liver. - Myth: I can take painkillers like ibuprofen without asking my doctor.
Fact: Many painkillers increase bleeding risk with this medicine. Always ask your doctor before taking any new medicine.
🔄 Alternative Options
Generic Alternatives
- Acenocoumarol 4 mg tablet
Brand Alternatives
- Acitrom 4 tablet