a bec l 600mg/300mg tablet - Abacavir (600mg) + Lamivudine (300mg) medicine

Albavir Tablet: Complete Guide to Uses, Side Effects, and Safety

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🏭 Emcure Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
⚠️ Hepatotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: High
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Fever, rash, or both, especially within the first six weeks of treatment
  • Difficulty breathing or shortness of breath
  • Severe abdominal pain, nausea, or vomiting
  • Yellowing of the skin or eyes
  • Dark urine or pale stools
  • Unusual tiredness or muscle weakness
  • Rapid breathing or irregular heartbeat

If experiencing severe symptoms, call emergency services immediately.

What is a bec l 600mg/300mg tablet used for?

This medicine is a combination of abacavir and lamivudine, two antiretroviral drugs used to treat HIV-1 infection. It works by blocking the virus from multiplying and is taken once daily as part of a complete HIV treatment regimen. It is not a cure for HIV but helps control the infection and supports immune recovery.

  • Generic Name: Abacavir (600mg) + Lamivudine (300mg)
  • Manufacturer: Emcure Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 a bec l 600mg/300mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा एचआईवी-1 संक्रमण के इलाज के लिए इस्तेमाल की जाती है। इसमें अबाकावीर और लैमिव्यूडीन दो एंटीरेट्रोवायरल दवाएं शामिल हैं जो वायरस को शरीर में बढ़ने से रोकती हैं। यह दवा अकेले नहीं बल्कि अन्य एचआईवी दवाओं के साथ मिलकर काम करती है। यह एचआईवी का इलाज नहीं है, लेकिन वायरस को नियंत्रित रखने और प्रतिरक्षा प्रणाली को मजबूत करने में मदद करती है। इसे रोज एक बार निर्धारित समय पर लेना चाहिए।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में सिरदर्द, जी मिचलाना, उल्टी, दस्त, थकान और नींद न आना शामिल हैं। गंभीर दुष्प्रभावों में एलर्जी प्रतिक्रिया, लैक्टिक एसिडोसिस, लीवर की समस्या और प्रतिरक्षा पुनर्गठन सिंड्रोम हो सकते हैं। यदि आपको बुखार, दाने, सांस लेने में कठिनाई, या पेट में तेज दर्द हो तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को शुरू करने से पहले डॉक्टर आपका एचएलए-बी*5701 टेस्ट करेंगे। यदि यह टेस्ट पॉजिटिव है तो यह दवा नहीं लेनी चाहिए। दवा को रोज एक ही समय पर लें और डोज न छोड़ें। शराब से बचें क्योंकि इससे लीवर की समस्या बढ़ सकती है। बिना डॉक्टर की सलाह के दवा बंद न करें। यदि आपको एलर्जी के लक्षण जैसे बुखार, दाने, या सांस लेने में तकलीफ हो तो तुरंत दवा बंद करें और डॉक्टर से मिलें।

💡 Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

💊 a bec l 600mg/300mg tablet Uses & Benefits

[{"condition":"HIV-1 infection","description":"Used in combination with other antiretroviral medicines for the treatment of HIV-1 infection in adults and adolescents weighing at least 40 kg.","evidence":"Well-established"}]

Off-label uses: []

Primary treatment for: HIV-1 infection

📋 Drug Information

Generic Name(s)Abacavir (600mg) + Lamivudine (300mg)
Brand Namea bec l 600mg/300mg tablet
ManufacturerEmcure Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassANTI INFECTIVES
Action Class
Route of AdministrationOral
StorageStore at room temperature between 20°C and 25°C (68°F to 77°F). Keep in the original container tightly closed. Protect from moisture and light. Do not refrigerate or freeze.
Shelf Life24 months from the date of manufacture.
WHO GuidelineThe World Health Organization recommends abacavir and lamivudine as part of first-line antiretroviral therapy regimens for adults and adolescents living with HIV, in combination with other antiretroviral drugs. This medicine is included in the WHO Model List of Essential Medicines.
ICMR GuidelineThe Indian Council of Medical Research guidelines for HIV management include abacavir and lamivudine as alternative nucleoside reverse transcriptase inhibitor backbone options in combination antiretroviral therapy, particularly when tenofovir or zidovudine cannot be used.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Screen for HLA-B*5701 before starting this medicine; do not use if positive.
2
Warn patients about the symptoms of hypersensitivity and instruct them to stop the medicine and seek immediate care if they occur.
3
Monitor liver function tests regularly, especially in patients with underlying liver disease.
4
Assess renal function before and during therapy; adjust lamivudine dose if creatinine clearance is below 50 mL/min.
5
Counsel patients on the importance of adherence to prevent resistance.
6
Advise patients to avoid alcohol to reduce the risk of liver toxicity.
7
Educate patients about immune reconstitution syndrome and the need to report new symptoms.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

HIV infection
This medicine is prescribed for HIV-1 infection as part of combination therapy.
Likely Use
Fever
This medicine is not a primary fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAbacavir is rapidly absorbed after oral administration, with a bioavailability of approximately 83%. Lamivudine is also rapidly absorbed, with a bioavailability of approximately 86%. Food does not significantly affect the extent of absorption of either component.
DistributionAbacavir distributes into extravascular spaces and has a volume of distribution of approximately 0.86 L/kg. Lamivudine distributes into total body water with a volume of distribution of approximately 1.3 L/kg. Both drugs cross the placenta and are excreted in breast milk.
Protein BindingAbacavir is approximately 50% bound to plasma proteins, while lamivudine has low protein binding of less than 36%.
MetabolismAbacavir is primarily metabolized in the liver by alcohol dehydrogenase and glucuronyl transferase to inactive metabolites; it does not significantly inhibit or induce cytochrome P450 enzymes. Lamivudine is not extensively metabolized and is mainly excreted unchanged in the urine.
Half-LifeThe elimination half-life of abacavir is approximately 1.5 hours, and the intracellular half-life of its active metabolite is about 21 hours. The elimination half-life of lamivudine is approximately 5 to 7 hours, and the intracellular half-life of its active metabolite is about 10 to 15 hours.
ExcretionAbacavir is excreted mainly in the urine as inactive metabolites, with about 83% of the dose recovered in urine and 16% in feces. Lamivudine is excreted primarily unchanged in the urine by glomerular filtration and active tubular secretion.
BioavailabilityThe oral bioavailability of abacavir is approximately 83%, and that of lamivudine is approximately 86%.
Onset of ActionThe antiviral effect begins within days of starting therapy, but a measurable reduction in viral load is typically seen within 1 to 2 weeks. Maximum suppression is usually achieved after several weeks of consistent treatment.
Peak Plasma TimeAbacavir reaches peak plasma concentrations in about 1.5 hours, and lamivudine reaches peak plasma concentrations in about 1 hour after oral administration.
Duration of ActionThe antiviral effect persists as long as therapeutic intracellular concentrations are maintained with regular dosing. The intracellular half-lives of the active metabolites support once-daily dosing of this combination.

How It Works

This medicine combines two nucleoside reverse transcriptase inhibitors. Abacavir is converted inside cells to carbovir triphosphate, which competes with the natural building block deoxyguanosine triphosphate and inhibits the reverse transcriptase enzyme of HIV-1. Lamivudine is converted to lamivudine triphosphate, which competes with deoxycytidine triphosphate and also inhibits reverse transcriptase. Both active metabolites cause chain termination when incorporated into viral DNA, preventing the virus from replicating. The combination provides complementary inhibition of the same viral enzyme at different binding sites.

Mechanism Steps

1
Cellular uptake and phosphorylation: Abacavir and lamivudine enter cells and are converted by cellular kinases into their active triphosphate forms, carbovir triphosphate and lamivudine triphosphate, respectively.
2
Competitive inhibition of reverse transcriptase: The active triphosphates compete with natural deoxynucleotides for binding to the HIV-1 reverse transcriptase enzyme.
3
DNA chain termination: Once incorporated into the growing viral DNA chain, the active metabolites lack a 3'-hydroxyl group, causing chain termination and preventing further viral DNA synthesis.
4
Reduction of viral replication: The combined effect is a marked reduction in HIV-1 replication, which lowers viral load and allows the immune system to recover.

💡 How to Take a bec l 600mg/300mg tablet

Strength: Immediate-release tablet containing abacavir 600 mg and lamivudine 300 mg.

1Take this medicine exactly as prescribed by your doctor.
2Swallow the tablet whole with a glass of water.
3You may take it with or without food.
4Take it at the same time each day to maintain consistent blood levels.
5Do not crush, chew, or break the tablet unless instructed by your doctor.
6If you miss a dose, follow the missed dose instructions.
7Do not stop taking this medicine without consulting your doctor.

Dosage Information

Adult DosageThe recommended dose of this medicine for adults and adolescents weighing at least 40 kg is one tablet (abacavir 600 mg and lamivudine 300 mg) taken orally once daily, with or without food. This medicine is used as part of a combination antiretroviral regimen. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and concomitant medications.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageNo specific dose adjustment is recommended for elderly patients based on age alone. However, elderly patients may have reduced renal function, and dose adjustment of lamivudine may be necessary. Monitor renal function and adjust dose accordingly.
Renal ImpairmentFor patients with creatinine clearance less than 50 mL/min, dose adjustment of the lamivudine component is required. Since this is a fixed-dose combination, it may not be suitable for patients requiring lamivudine dose adjustment. Consider alternative lamivudine-containing regimens. Abacavir does not require renal dose adjustment.
Hepatic ImpairmentThis medicine is contraindicated in patients with severe hepatic impairment. For patients with mild to moderate hepatic impairment, no specific dose adjustment is recommended, but close monitoring is advised. Use with caution in patients with underlying liver disease.
Maximum Daily DoseOne tablet (abacavir 600 mg and lamivudine 300 mg) once daily.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With or without food
No restriction
Food does not significantly affect absorption.

⏰ What to Do If You Miss a Dose

📌 Less than 12 hours have passed since the missed dose
→ Take the missed dose as soon as you remember.
💡 Continue with your regular schedule.
📌 More than 12 hours have passed since the missed dose
→ Skip the missed dose and take your next dose at the regular time.
💡 Do not double dose to catch up.

⚠️ Side Effects of a bec l 600mg/300mg tablet

✅ Common Side Effects

Headache (Common (5-10%))
Usually resolves on its own. Consult your doctor if it persists or becomes severe.
Nausea (Common (5-10%))
Take with food if tolerated. Consult your doctor if nausea is persistent or severe.
Diarrhea (Common (5-10%))
Stay hydrated. Consult your doctor if diarrhea is severe or does not improve.
Fatigue (Common (5-10%))
Get adequate rest. Consult your doctor if fatigue interferes with daily activities.
Trouble sleeping (Common (5-10%))
Practice good sleep hygiene. Consult your doctor if insomnia persists.

🚨 Serious Side Effects

Hypersensitivity reaction (Uncommon (1-5%))
Stop this medicine and seek immediate medical attention if you develop fever, rash, nausea, vomiting, diarrhea, abdominal pain, or difficulty breathing.
Lactic acidosis (Rare (<0.1%))
Seek immediate medical attention if you experience rapid breathing, muscle pain, numbness, or extreme tiredness.
Severe liver problems (Rare (<0.1%))
Seek immediate medical attention if you notice yellowing of the skin or eyes, dark urine, or severe abdominal pain.
Immune reconstitution syndrome (Uncommon (1-5%))
Report any new symptoms such as fever, swelling, or difficulty breathing to your doctor promptly.

⚠️ Rare Side Effects

Pancreatitis
Seek immediate medical attention if you develop severe upper abdominal pain that may radiate to your back.
Peripheral neuropathy
Report numbness, tingling, or burning in your hands or feet to your doctor.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Methadone Major
Ribavirin Major
Trimethoprim-sulfamethoxazole Moderate
Zidovudine Moderate
Ethanol Minor

🚨 Major Interactions

  • Methadone
  • Ribavirin

⚡ Moderate Interactions

  • Trimethoprim-sulfamethoxazole
  • Zidovudine

🍷 Alcohol Interaction

Alcohol may increase the risk of liver problems and can affect the metabolism of abacavir. It is advisable to avoid alcohol while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to abacavir, lamivudine, or any component of the formulation","Presence of the HLA-B*5701 allele","Severe hepatic impairment","Use as monotherapy for HIV infection"]

⚠️ Warnings & Precautions

["Serious and sometimes fatal hypersensitivity reactions can occur, often within the first six weeks of treatment. Discontinue immediately if suspected and do not restart.","Lactic acidosis and severe hepatomegaly with steatosis have been reported with nucleoside analogues, including this medicine.","Immune reconstitution syndrome may occur, leading to inflammatory responses to opportunistic infections.","Patients with hepatitis B virus co-infection may experience severe exacerbations of hepatitis upon discontinuation of lamivudine.","This medicine should not be used for pre-exposure prophylaxis or post-exposure prophylaxis.","Do not share this medicine with others."]

🤱 Lactation Safety

Both abacavir and lamivudine are excreted in human breast milk. In resource-limited settings, breastfeeding may be recommended with maternal antiretroviral therapy to reduce transmission risk. In other settings, formula feeding may be advised. Consult your doctor for guidance.

💊 Overdose Management

There is no specific antidote for overdose with this medicine. In case of overdose, discontinue the medicine and seek immediate medical attention. Supportive care and monitoring of vital signs and liver and kidney function are recommended. Hemodialysis may be considered for lamivudine overdose, but its effect on abacavir is unknown.

⏰ Missed Dose

If you miss a dose of this medicine, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed dose. If you are unsure, consult your doctor or pharmacist.

Additional Safety Advice

General Safety

Before starting this medicine, your doctor should test you for the HLA-B*5701 allele; if you carry this allele, you must not take this medicine because of the high risk of a serious allergic reaction. Never restart this medicine after stopping it without consulting your doctor, as restarting can cause a severe or even fatal hypersensitivity reaction. Take this medicine exactly as prescribed, at the same time each day, and do not skip doses. Inform your doctor about all other medicines, supplements, and herbal products you are taking, especially those that affect the liver or kidneys. Avoid alcohol because it may increase the risk of liver problems. If you experience symptoms such as fever, rash, nausea, vomiting, diarrhea, abdominal pain, or difficulty breathing, stop taking this medicine and seek medical attention immediately. Regular monitoring of liver function, kidney function, and viral load is important while on this medicine. Do not share this medicine with anyone else.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may have reduced renal function and should be monitored closely. Dose adjustment of the lamivudine component may be necessary based on creatinine clearance. Regular monitoring of liver and kidney function is recommended.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor. This medicine is considered safe during pregnancy and can help prevent mother-to-child transmission of HIV. Your doctor will monitor you and your baby throughout pregnancy.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine. It is generally safe to continue during surgery, but your healthcare team should be aware to manage any potential interactions with anesthetic agents.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine. No specific precautions are usually needed, but your dentist should be aware of your medical history and any potential drug interactions.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy diet rich in fruits, vegetables, and lean proteins.
🥗
Exercise regularly to support immune function and overall health.
😴
Get adequate sleep to help your body recover.
💧
Avoid alcohol and recreational drugs.
🧘
Practice safe sex to prevent transmission of HIV and other infections.
🌞
Stay up to date with vaccinations as recommended by your doctor.

🏋️ Exercise Considerations

Moderate exercise is generally safe and beneficial. However, if you experience fatigue, dizziness, or muscle weakness, avoid strenuous activities and consult your doctor.

🥗 Diet Recommendations

Eat a balanced diet with plenty of fruits and vegetables.
Include lean proteins such as fish, chicken, and legumes.
Stay well hydrated by drinking plenty of water.
Limit processed foods, sugary drinks, and saturated fats.

💼 Impact on Daily Work & Life

This medicine may cause fatigue or dizziness in some patients. Avoid driving or operating heavy machinery until you know how it affects you. Most people can continue their normal daily activities while on treatment.

🛑 When to Stop This Medicine

Do not stop taking this medicine without consulting your doctor. If you experience symptoms of a hypersensitivity reaction, stop the medicine immediately and seek medical attention. Your doctor may decide to discontinue treatment if severe side effects occur or if the medicine is no longer effective.

📅 Long-Term Use Effects

Long-term use of this medicine is generally well tolerated, but it requires regular monitoring of viral load, CD4 count, liver function, and kidney function. Some patients may experience persistent side effects such as fatigue or neuropathy. The risk of lactic acidosis and liver toxicity may increase with prolonged use. Adherence to therapy is crucial to prevent drug resistance and treatment failure.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Tenofovir disoproxil fumarate + Lamivudine

An alternative nucleoside reverse transcriptase inhibitor backbone for HIV treatment.

Evidence: Well-established
Abacavir + Lamivudine + Dolutegravir

A single-tablet regimen combining this medicine's components with an integrase inhibitor.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

Patients on this medicine should receive recommended vaccinations, including influenza and pneumococcal vaccines, as advised by their doctor. Live vaccines should be avoided in severely immunocompromised patients. Consult your doctor for personalized vaccination recommendations.

📦 Storage Guide

✅ DO

Store at room temperature between 20°C and 25°C (68°F to 77°F).

❌ DON'T

Do not refrigerate or freeze.

✅ DO

Keep in the original container tightly closed.

❌ DON'T

Do not transfer to unmarked containers.

✅ DO

Protect from moisture and light.

❌ DON'T

Do not store in the bathroom.

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with a copy of your prescription. Keep it in your carry-on luggage to avoid loss or temperature extremes. Bring enough supply for your entire trip, plus extra in case of delays. Check local customs regulations for carrying prescription medicines. If crossing time zones, maintain your dosing schedule as close to every 24 hours as possible; consult your doctor for specific advice.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old man newly diagnosed with HIV
He was started on this medicine as part of his antiretroviral regimen. His doctor screened him for HLA-B*5701, which was negative. He took the tablet once daily with breakfast. After a few weeks, his viral load dropped significantly and his CD4 count improved. He experienced mild nausea initially, which resolved after taking the medicine with food.
💡 Lesson: Adherence and regular monitoring are key to successful HIV treatment. Taking the medicine with food can reduce stomach upset.
👤 A 42-year-old woman with HIV and hepatitis B co-infection
She was prescribed this medicine along with other antiretrovirals. Her doctor monitored her liver function closely. After several months, her HIV viral load was undetectable, but she developed mild liver enzyme elevation. Her doctor adjusted her regimen and continued monitoring. She remained adherent and her liver enzymes normalized.
💡 Lesson: Patients with co-infections require close monitoring for liver toxicity. Regular follow-up and timely intervention can prevent complications.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine starts reducing the virus within days, but it may take several weeks to see a significant drop in viral load. Regular monitoring will track your response.

Q: Can I take this medicine with food?

A: Yes, you can take this medicine with or without food. Food does not affect how well it works.

Q: What should I do if I miss a dose?

A: If you miss a dose, take it as soon as you remember if less than 12 hours have passed. If more than 12 hours have passed, skip the missed dose and continue with your regular schedule. Do not double dose.

Q: Is this medicine safe during pregnancy?

A: This medicine is considered safe during pregnancy when clinically indicated. Consult your doctor for individualized management.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my other medicines?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for a bec l 600mg/300mg tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can cure HIV.
    Fact: This medicine does not cure HIV. It suppresses the virus and helps the immune system recover, but the virus remains in the body. Treatment must be continued lifelong.
  • Myth: I can stop taking this medicine once my viral load is undetectable.
    Fact: Stopping this medicine can cause the virus to rebound and lead to drug resistance. Always consult your doctor before making any changes.
  • Myth: This medicine can be taken as a single treatment for HIV.
    Fact: This medicine must be used in combination with other antiretroviral drugs to effectively suppress HIV and prevent resistance.

🔄 Alternative Options

Generic Alternatives

  • Abacavir and Lamivudine

Brand Alternatives

  • Albavir Tablet

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","composition":"Abacavir 600 mg + Lamivudine 300 mg","frequency":"Once daily","key_feature":"Dual NRTI backbone, HLA-B*5701 screening required"},{"medicine":"Tenofovir disoproxil fumarate + Lamivudine","composition":"Tenofovir disoproxil fumarate 300 mg + Lamivudine 300 mg","frequency":"Once daily","key_feature":"Alternative NRTI backbone, renal monitoring required"}]

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