cobina gb 300mg/500mcg tablet - Gabapentin (300mg) + Methylcobalamin (500mcg) medicine

Acegaba ME 300mg/500mcg Tablet: Complete Guide to Uses, Dosage, and Safety

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🏭 Symbiosis Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 25, 2026
🤰 Pregnancy Category Gabapentin: Use only if clearly needed; risk to fetus not fully established. Methylcobalamin: Generally considered safe as a vitamin supplement. 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: High for gabapentin in neuropathic pain; moderate for methylcobalamin as adjunctive therapy.
Reviewed by
SaathiMed Expert Panel | Sep 25, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
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 or swallowing
  • Swelling of face, lips, or throat
  • Suicidal thoughts or self-harm
  • Severe rash with blisters or peeling skin
  • Unusual bruising or bleeding
  • Severe abdominal pain radiating to the back
  • Confusion or extreme drowsiness

If experiencing severe symptoms, call emergency services immediately.

What is cobina gb 300mg/500mcg tablet used for?

This medicine is a combination of gabapentin (300 mg) and methylcobalamin (500 mcg) used to treat neuropathic pain, diabetic neuropathy, and postherpetic neuralgia. It works by reducing abnormal nerve signals and supporting nerve repair. Take it exactly as prescribed, usually once daily at bedtime, and avoid alcohol.

  • Generic Name: Gabapentin + Methylcobalamin
  • Manufacturer: Symbiosis Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 cobina gb 300mg/500mcg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा गैबापेंटिन और मिथाइलकोबालामिन का संयोजन है, जिसका उपयोग नसों से जुड़े दर्द, डायबिटिक न्यूरोपैथी, और दाद के बाद होने वाले दर्द के इलाज के लिए किया जाता है। यह नसों में होने वाले असामान्य संकेतों को कम करती है और नसों की मरम्मत में मदद करती है।

साइड इफेक्ट्स: आम दुष्प्रभावों में चक्कर आना, नींद आना, थकान, और हाथ-पैरों में सूजन शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन एलर्जी, आत्महत्या के विचार, या त्वचा पर गंभीर दाने हो सकते हैं। किसी भी असामान्य लक्षण पर तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। अचानक बंद न करें। शराब न पिएं। गाड़ी चलाने से बचें जब तक कि आपको इसका असर पता न चल जाए। गुर्दे की बीमारी हो तो डॉक्टर को बताएं। नियमित जांच कराएं।

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

💊 cobina gb 300mg/500mcg tablet Uses & Benefits

[{"condition":"Diabetic peripheral neuropathy","description":"Reduces burning, tingling, and shooting pain in the feet and hands caused by diabetes-related nerve damage.","evidence":"Well-established"},{"condition":"Postherpetic neuralgia","description":"Relieves persistent nerve pain that remains after a shingles outbreak.","evidence":"Well-established"},{"condition":"Restless legs syndrome","description":"Helps reduce the uncomfortable urge to move the legs, especially at night.","evidence":"Moderate"},{"condition":"Adjunctive therapy for partial seizures","description":"Used alongside other anti-seizure medicines to reduce seizure frequency.","evidence":"Well-established"}]

Off-label uses: [{"condition":"Chronic musculoskeletal pain","description":"Sometimes prescribed off-label for persistent back pain or fibromyalgia, though evidence is mixed.","evidence":"Limited"},{"condition":"Anxiety disorders","description":"Occasionally used off-label for generalized anxiety or social anxiety, but not first-line.","evidence":"Limited"}]

Primary treatment for: Neuropathic pain

Also treats: Diabetic peripheral neuropathy, Postherpetic neuralgia, Restless legs syndrome, Epilepsy (adjunctive)

📋 Drug Information

Generic Name(s)Gabapentin + Methylcobalamin
Brand NameAlfagaba 100 Tablet
ManufacturerSymbiosis Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassNEURO CNS
Action ClassAnticonvulsant, Neurotropic agent
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep out of reach of children.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine at bedtime to minimize daytime drowsiness.
2
Do not stop this medicine abruptly; taper gradually under medical supervision.
3
Avoid alcohol and other sedatives while taking this medicine.
4
Inform your doctor if you have kidney problems, as dose adjustment is needed.
5
Monitor for mood changes or suicidal thoughts and report immediately.
6
Take antacids at least 2 hours apart from this medicine.
7
Use caution while driving or operating machinery until you know how it affects you.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Burning or tingling in feet
This medicine is commonly prescribed for diabetic neuropathy.
Likely Use
✅
Shooting pain after shingles
Used for postherpetic neuralgia.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionGabapentin is absorbed from the small intestine via a saturable transport mechanism. Bioavailability decreases as the dose increases. Methylcobalamin is absorbed in the ileum with the help of intrinsic factor.
DistributionGabapentin distributes widely in the body but does not bind significantly to plasma proteins. Methylcobalamin is stored in the liver and transported to tissues bound to transcobalamin II.
Protein BindingGabapentin: less than 3% bound to plasma proteins. Methylcobalamin: approximately 20% bound to plasma proteins.
MetabolismGabapentin is not metabolized in humans and is excreted unchanged. Methylcobalamin is metabolized in the liver to inactive forms.
Half-LifeGabapentin: 5 to 7 hours in normal renal function. Methylcobalamin: approximately 6 days for the initial phase, but tissue stores last longer.
ExcretionGabapentin is eliminated unchanged by the kidneys. Methylcobalamin is excreted in bile and urine.
BioavailabilityGabapentin: approximately 60% at 300 mg dose, decreasing with higher doses. Methylcobalamin: variable, but well absorbed orally in the presence of intrinsic factor.
Onset of ActionPain relief may begin within 1 to 2 weeks, but full effect can take 3 to 4 weeks.
Peak Plasma TimeGabapentin: 2 to 3 hours after oral administration. Methylcobalamin: 3 to 6 hours.
Duration of ActionGabapentin: 6 to 8 hours per dose. Methylcobalamin: effects are cumulative over weeks.

How It Works

Gabapentin binds to the alpha-2-delta subunit of voltage-gated calcium channels in the central nervous system. This reduces the release of excitatory neurotransmitters such as glutamate and substance P, which are involved in pain signaling. Methylcobalamin is a coenzyme for methionine synthase, essential for myelin synthesis and nerve cell maintenance. Together, they help dampen abnormal nerve firing and support nerve repair.

Mechanism Steps

1
Calcium channel binding: Gabapentin binds to the alpha-2-delta subunit of voltage-gated calcium channels on presynaptic neurons.
2
Reduced neurotransmitter release: This binding decreases calcium influx, leading to reduced release of excitatory neurotransmitters like glutamate and substance P.
3
Decreased pain signaling: The overall effect is a reduction in abnormal pain signals traveling to the brain.
4
Methylcobalamin supports myelin: Methylcobalamin acts as a cofactor for methionine synthase, which is necessary for myelin sheath synthesis and repair.
5
Enhanced nerve function: Improved myelination helps restore normal nerve conduction and reduces neuropathic symptoms.

💡 How to Take cobina gb 300mg/500mcg tablet

Strength: Each tablet contains gabapentin 300 mg and methylcobalamin 500 mcg.

1Take this medicine by mouth with a full glass of water.
2You can take it with or without food, but taking it with food may reduce stomach upset.
3Swallow the tablet whole; do not crush, chew, or break it.
4Take it at the same times each day to maintain consistent levels.
5If you are taking antacids, take them at least 2 hours before or after this medicine.
6Do not stop taking this medicine suddenly without consulting your doctor.

Dosage Information

Adult DosageThe usual starting dose for neuropathic pain is one tablet (gabapentin 300 mg + methylcobalamin 500 mcg) taken orally once daily, preferably at bedtime. The dose may be increased gradually based on response and tolerability, up to a maximum of 3600 mg of gabapentin per day in divided doses. For diabetic neuropathy, the typical maintenance dose is 300 mg to 600 mg three times daily. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may require lower doses due to reduced renal function. Start with a low dose and titrate slowly. Monitor for increased side effects such as dizziness, drowsiness, and confusion.
Renal ImpairmentDose adjustment is required in renal impairment. For creatinine clearance 30-59 mL/min, the maximum daily dose is 600 mg to 1800 mg of gabapentin. For creatinine clearance 15-29 mL/min, the maximum daily dose is 300 mg to 600 mg. For creatinine clearance <15 mL/min, the dose should be reduced to 150 mg to 300 mg per day. Consult your doctor for precise dosing.
Hepatic ImpairmentNo dose adjustment is needed for hepatic impairment, as gabapentin is not metabolized by the liver.
Maximum Daily DoseMaximum daily dose of gabapentin is 3600 mg. The maximum daily dose of methylcobalamin is 1500 mcg.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset and improves absorption.
Alcohol
Avoid
Increases drowsiness and dizziness.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of cobina gb 300mg/500mcg tablet

✅ Common Side Effects

Dizziness (Common (10-20%))
Rise slowly from sitting or lying positions. Avoid driving until it passes.
Drowsiness (Common (10-20%))
Take the evening dose at bedtime. Avoid alcohol and sedatives.
Fatigue (Common (5-10%))
Ensure adequate rest. If persistent, consult your doctor.
Peripheral edema (Uncommon (1-5%))
Elevate legs when sitting. Report if swelling worsens.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek emergency medical help immediately if you experience rash, itching, swelling of face or throat, or difficulty breathing.
Suicidal thoughts or behavior (Rare (<0.1%))
Contact your doctor or a mental health professional immediately if you have thoughts of harming yourself.
Severe skin reactions (Stevens-Johnson syndrome) (Very rare (<0.01%))
Stop the medicine and seek immediate medical attention if you develop a painful rash, blisters, or peeling skin.

⚠️ Rare Side Effects

Blood dyscrasias
Report unusual bruising, bleeding, or persistent fever to your doctor.
Pancreatitis
Seek medical attention if you experience severe abdominal pain radiating to the back.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Morphine Major
Aluminum/magnesium antacids Moderate
Cimetidine Moderate
Oral contraceptives Moderate
Naproxen Minor
Hydrocodone Major
Oxycodone Major
Lorazepam Moderate
Diphenhydramine Moderate
Ranolazine Minor

🚨 Major Interactions

  • Morphine and other opioids
  • Aluminum and magnesium antacids

⚡ Moderate Interactions

  • Cimetidine
  • Oral contraceptives

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine because it can increase drowsiness, dizziness, and the risk of falls. It may also worsen nerve pain and interfere with sleep quality.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to gabapentin or methylcobalamin","Severe renal impairment (creatinine clearance

⚠️ Warnings & Precautions

["May cause dizziness and drowsiness; avoid driving or operating machinery until effects are known.","Do not stop abruptly, as it may precipitate seizures or withdrawal symptoms.","Use with caution in elderly patients due to increased risk of falls and confusion.","May increase risk of suicidal thoughts; monitor mood closely.","Can cause peripheral edema; use with caution in heart failure patients.","May impair cognitive function; monitor for memory problems.","Not recommended for children under 12 years for neuropathic pain.","Avoid alcohol and other central nervous system depressants."]

🤱 Lactation Safety

Gabapentin is excreted in breast milk. Limited data suggest it may cause drowsiness in the infant. Methylcobalamin is safe. Consult your doctor before breastfeeding.

💊 Overdose Management

Overdose may cause severe drowsiness, dizziness, double vision, slurred speech, and diarrhea. There is no specific antidote. Treatment is supportive and symptomatic. In case of overdose, seek emergency medical attention immediately. Hemodialysis may be considered in severe cases with renal failure.

⏰ Missed Dose

If you miss a dose, 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 double the dose to catch up.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not stop suddenly, as this can trigger withdrawal symptoms or worsen seizures. Avoid driving or operating heavy machinery until you know how this medicine affects you. Do not drink alcohol while taking this medicine, as it increases drowsiness and dizziness. Inform your doctor if you have kidney problems, as the dose may need adjustment. Keep all follow-up appointments and report any new or worsening symptoms. Store this medicine in a cool, dry place away from direct sunlight and out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are at higher risk of dizziness, falls, and confusion. Lower doses may be needed. Regular monitoring of renal function is advised.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, consult your doctor. Gabapentin should be used during pregnancy only if the benefits outweigh the risks. Methylcobalamin is generally safe. Discuss contraception and treatment options.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine, as it may interact with anesthetic agents and increase sedation. It may be continued or temporarily stopped as advised.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine, as it may interact with local anesthetics or sedatives used during dental procedures. It may cause dry mouth, so maintain good oral hygiene.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to reduce nerve pressure.
🥗
Control blood sugar levels if you have diabetes.
😴
Engage in regular low-impact exercise like walking or swimming.
💧
Practice good sleep hygiene to improve rest.
🧘
Avoid smoking and limit alcohol intake.
🌞
Manage stress through relaxation techniques.

🏋️ Exercise Considerations

Avoid high-impact exercises that may worsen nerve pain. Swimming and cycling are good options. If you experience dizziness, stop exercising and consult your doctor.

🥗 Diet Recommendations

Include foods rich in vitamin B12 like eggs, dairy, and fish.
Eat a balanced diet with plenty of fruits and vegetables.
Limit processed foods and added sugars.
Stay well hydrated.

💼 Impact on Daily Work & Life

This medicine may cause drowsiness and dizziness, affecting your ability to drive or operate machinery. It is advisable to avoid such activities until you know how it affects you. Inform your employer if your job involves operating heavy machinery.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. If you experience serious side effects like allergic reactions or suicidal thoughts, seek immediate medical help. Your doctor may taper the dose gradually to prevent withdrawal.

📅 Long-Term Use Effects

Long-term use of gabapentin may lead to tolerance, dependence, and withdrawal symptoms if stopped abruptly. Methylcobalamin is generally safe for long-term use. Regular monitoring of renal function and mood is advised. Periodic review of the need for continued therapy is recommended.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Physical therapy

Can help improve strength and reduce nerve pain.

Evidence: Well-established
Acupuncture

May provide relief for some patients with neuropathic pain.

Evidence: Limited
Transcutaneous electrical nerve stimulation (TENS)

May help reduce pain signals.

Evidence: Moderate

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

No known interactions with vaccines. However, consult your doctor before receiving any live vaccines while on this medicine.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with a copy of your prescription. Keep it in your hand luggage to avoid loss. Store at room temperature and protect from extreme heat or cold. If traveling across time zones, adjust dosing times gradually in consultation with your doctor. Check customs regulations for controlled substances before international travel.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 55-year-old man with diabetic neuropathy
He had burning pain in both feet for 2 years. His doctor prescribed this medicine. After 4 weeks, the burning reduced significantly, and he could sleep better. He was advised to take it at bedtime and avoid alcohol.
💡 Lesson: Consistent use and lifestyle changes like blood sugar control improve outcomes.
👤 A 62-year-old woman with postherpetic neuralgia
After shingles, she had severe shooting pain in her chest. This medicine was started at a low dose and gradually increased. She experienced mild dizziness initially, which subsided. After 6 weeks, her pain was much better.
💡 Lesson: Gradual dose titration helps minimize side effects and improves tolerability.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: Pain relief may begin within 1 to 2 weeks, but full effect can take 3 to 4 weeks. Continue taking it as prescribed.

Q: Can I stop taking this medicine if I feel better?

A: No, do not stop suddenly. Consult your doctor first, as abrupt withdrawal can cause seizures or worsening pain.

Q: Is it safe to drive while taking this medicine?

A: This medicine may cause dizziness and drowsiness. Avoid driving until you know how it affects you.

🤔 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 blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for cobina gb 300mg/500mcg 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 is a simple painkiller like paracetamol.
    Fact: It is not a simple painkiller; it targets nerve pain by reducing abnormal electrical signals in damaged nerves.
  • Myth: You can stop taking it as soon as you feel better.
    Fact: Stopping suddenly can cause withdrawal symptoms or worsen seizures. Always consult your doctor before stopping.
  • Myth: It is safe to drink alcohol while taking this medicine.
    Fact: Alcohol increases drowsiness, dizziness, and the risk of falls. It should be avoided.

🔄 Alternative Options

Generic Alternatives

  • Gabapentin 300 mg + Methylcobalamin 500 mcg tablet (generic)

Brand Alternatives

  • Acegaba ME 300mg/500mcg Tablet

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","composition":"Gabapentin 300 mg + Methylcobalamin 500 mcg","uses":"Neuropathic pain, diabetic neuropathy","common_side_effects":"Dizziness, drowsiness, fatigue"},{"medicine":"Pregabalin + Methylcobalamin","composition":"Pregabalin 75 mg + Methylcobalamin 750 mcg","uses":"Neuropathic pain, fibromyalgia","common_side_effects":"Dizziness, somnolence, weight gain"}]

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