eriprox-er 1000 tablet - Divalproex (1000mg) medicine

Diavol 1000mg Tablet ER: Complete Medicine Guide

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🏭 Eridanus Healthcare 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 25, 2026
⚠️ Hepatotoxicity Risk 🤰 Pregnancy Category Not established from the available information. However, this medicine is known to be associated with a high risk of birth defects and should be avoided during pregnancy unless absolutely necessary. Consult your doctor immediately if you are pregnant or planning to become pregnant. 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for epilepsy, bipolar mania, and migraine prophylaxis.
Reviewed by
SaathiMed Expert Panel | Sep 25, 2026

When to Call Your Doctor IMMEDIATELY

  • Yellowing of skin or eyes (jaundice)
  • Severe abdominal pain radiating to the back
  • Unusual bleeding or bruising
  • Confusion, lethargy, or decreased consciousness
  • Suicidal thoughts or behavior
  • Severe rash with blisters or peeling skin
  • Persistent vomiting or inability to keep fluids down

If experiencing severe symptoms, call emergency services immediately.

What is eriprox-er 1000 tablet used for?

This medicine is an extended-release tablet containing Divalproex sodium 1000 mg. It is used to treat epilepsy, bipolar disorder, and prevent migraines. It works by increasing GABA in the brain. It is a prescription medicine with serious risks including liver damage and birth defects. Always take as prescribed and never stop suddenly.

  • Generic Name: Divalproex (1000mg)
  • Manufacturer: Eridanus Healthcare
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 eriprox-er 1000 tablet के बारे में (Hindi Summary)

उपयोग: यह दवा डाइवलप्रोएक्स सोडियम 1000 मिलीग्राम एक्सटेंडेड-रिलीज़ टैबलेट है, जिसका उपयोग मिर्गी (दौरे), बाइपोलर डिसऑर्डर (मूड स्विंग), और माइग्रेन सिरदर्द को रोकने के लिए किया जाता है। यह मस्तिष्क में GABA नामक रसायन को बढ़ाकर काम करती है, जिससे दौरे और मूड अस्थिरता कम होती है। यह केवल डॉक्टर के पर्चे पर मिलती है और इसे डॉक्टर की सलाह के बिना शुरू या बंद नहीं करना चाहिए।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में जी मिचलाना, उल्टी, पेट दर्द, दस्त, भूख न लगना, सिरदर्द, चक्कर आना, नींद आना और कंपन शामिल हैं। गंभीर दुष्प्रभावों में लिवर की क्षति (पीलिया, गहरे रंग का पेशाब), अग्न्याशय की सूजन (तेज पेट दर्द), खून की बीमारियां (असामान्य रक्तस्राव), और आत्महत्या के विचार शामिल हैं। इन लक्षणों पर तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को हमेशा डॉक्टर के बताए अनुसार ही लें। टैबलेट को चबाएं या तोड़ें नहीं, पूरा निगल लें। इसे भोजन के साथ लें ताकि पेट की परेशानी कम हो। शराब का सेवन बिल्कुल न करें। अचानक दवा बंद न करें, इससे दौरे पड़ सकते हैं। गर्भवती हों या गर्भधारण की योजना बना रही हों तो डॉक्टर को बताएं। नियमित रूप से लिवर और खून की जांच कराते रहें।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 eriprox-er 1000 tablet Uses & Benefits

[{"condition":"Epilepsy (complex partial seizures)","description":"Used as monotherapy or adjunctive therapy to reduce the frequency and severity of complex partial seizures in adults and children.","evidence":"Well-established"},{"condition":"Epilepsy (simple and complex absence seizures)","description":"Effective in controlling absence seizures, often as first-line treatment.","evidence":"Well-established"},{"condition":"Bipolar disorder (manic episodes)","description":"Helps to stabilize mood and reduce the severity of manic episodes in bipolar disorder.","evidence":"Well-established"},{"condition":"Migraine prophylaxis","description":"Used to prevent migraine headaches in adults, reducing frequency and intensity.","evidence":"Well-established"}]

Off-label uses: [{"condition":"Neuropathic pain","description":"Sometimes prescribed off-label for neuropathic pain, though evidence is limited.","evidence":"Limited"},{"condition":"Agitation in dementia","description":"Occasionally used off-label to manage agitation in patients with dementia, but risks may outweigh benefits.","evidence":"Limited"}]

Primary treatment for: Epilepsy

Also treats: Bipolar disorder, Migraine

📋 Drug Information

Generic Name(s)Divalproex (1000mg)
Brand Nameeriprox-er 1000 tablet
ManufacturerEridanus Healthcare
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassNEURO CNS
Action ClassSodium channel modulators (AED)
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Keep in a dry place away from direct sunlight 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
Always take this medicine with food to minimize stomach upset.
2
Do not crush, chew, or break the extended-release tablet; swallow it whole.
3
Never stop this medicine abruptly; consult your doctor for a gradual taper.
4
Avoid alcohol completely while on this medicine to prevent liver damage and seizures.
5
Keep all appointments for blood tests to monitor liver function, blood counts, and drug levels.
6
Inform your doctor immediately if you experience unusual bleeding, bruising, or yellowing of the eyes.
7
Use effective contraception if you are a woman of childbearing age, as this medicine can harm the unborn baby.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Seizures
This medicine is commonly prescribed for epilepsy.
Likely Use
✅
Manic episodes
This medicine is used to treat bipolar mania.
Likely Use
✅
Migraine headaches
This medicine is used for migraine prevention.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionDivalproex sodium is absorbed from the gastrointestinal tract. The extended-release formulation is designed to slow the absorption, reducing peak plasma concentrations and allowing for once-daily dosing. Food may affect the rate but not the extent of absorption.
DistributionValproate is widely distributed throughout the body, with a volume of distribution of approximately 0.1 to 0.4 L/kg. It crosses the blood-brain barrier and is found in cerebrospinal fluid. It also crosses the placenta and is excreted in breast milk.
Protein BindingValproate is highly protein-bound (approximately 90-95%) to albumin. Protein binding is concentration-dependent and may be reduced in patients with hypoalbuminemia or renal impairment.
MetabolismValproate is extensively metabolized in the liver, primarily via glucuronidation and beta-oxidation. Some metabolites may have anticonvulsant activity. The metabolism can be saturated at therapeutic doses, leading to non-linear pharmacokinetics.
Half-LifeThe elimination half-life of valproate is typically 9 to 16 hours in adults. In extended-release formulations, the half-life may be longer, allowing for once-daily dosing.
ExcretionValproate and its metabolites are primarily excreted in the urine, with a small amount eliminated in feces. Renal excretion accounts for about 70% of the dose.
BioavailabilityThe bioavailability of divalproex sodium extended-release tablets is approximately 80-100% relative to immediate-release formulations. Food does not significantly affect the extent of absorption.
Onset of ActionThe onset of action varies depending on the indication. For seizures, effects may be seen within days to weeks. For mood stabilization, it may take several days to weeks. For migraine prevention, it may take several weeks to achieve full effect.
Peak Plasma TimeFor the extended-release formulation, peak plasma concentrations are typically reached within 4 to 8 hours after oral administration.
Duration of ActionThe duration of action is related to the half-life and dosing interval. With once-daily extended-release dosing, therapeutic effects are maintained over 24 hours.

How It Works

This medicine works by increasing the availability of gamma-aminobutyric acid (GABA) in the brain. GABA is an inhibitory neurotransmitter that reduces excessive electrical activity. Divalproex sodium dissociates into valproate ions in the gastrointestinal tract, which then cross the blood-brain barrier. Valproate enhances GABA synthesis and release, and also blocks voltage-gated sodium channels, leading to stabilization of neuronal membranes. Additionally, it may affect other neurotransmitter systems, contributing to its mood-stabilizing and anti-migraine effects.

Mechanism Steps

1
Dissociation into valproate: Divalproex sodium dissociates into valproate ions in the gastrointestinal tract, which are then absorbed.
2
Crossing the blood-brain barrier: Valproate crosses the blood-brain barrier and enters the central nervous system.
3
Enhancement of GABA activity: Valproate increases the synthesis and release of GABA, an inhibitory neurotransmitter, thereby reducing neuronal excitability.
4
Blockade of sodium channels: Valproate blocks voltage-gated sodium channels, stabilizing neuronal membranes and further reducing abnormal electrical activity.
5
Mood stabilization and migraine prevention: The combined effects on GABA and sodium channels contribute to mood stabilization and prevention of migraine headaches.

💡 How to Take eriprox-er 1000 tablet

Strength: Extended-release tablet, 1000 mg

1Swallow the tablet whole with a glass of water. Do not crush, chew, or break it.
2Take with food to reduce stomach upset.
3Take at the same time each day to maintain consistent levels.
4If you miss a dose, follow the missed dose instructions.
5Do not stop taking this medicine suddenly without consulting your doctor.

Dosage Information

Adult DosageThe dosage of this medicine must be individualized by a qualified clinician based on the indication, age, weight, renal and hepatic function, and response to therapy. For epilepsy, the typical starting dose is 10-15 mg/kg/day, increased gradually. For bipolar disorder, the initial dose is often 750 mg/day in divided doses, titrated to effect. For migraine prophylaxis, the dose is typically 500-1000 mg/day. The extended-release formulation is usually taken once daily. Do not adjust the dose without consulting your doctor.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician for appropriate dosing.
Elderly DosageElderly patients may be more sensitive to the effects of this medicine. Start with lower doses and titrate slowly. Monitor for side effects such as drowsiness, tremors, and liver function abnormalities.
Renal ImpairmentDose adjustment may be necessary in patients with renal impairment. Monitor valproate levels and clinical response. Consult your doctor for specific dosing recommendations.
Hepatic ImpairmentThis medicine is contraindicated in patients with significant hepatic impairment. In mild to moderate impairment, dose reduction and close monitoring are required. Consult your doctor.
Maximum Daily DoseThe maximum recommended dose is 60 mg/kg/day. However, doses above 3000 mg/day are rarely used. Individualized by clinician.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset and may affect absorption.
Alcohol
Avoid
Increases risk of liver damage, drowsiness, and seizures.

⏰ 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 the regular schedule.
📌 More than 12 hours have passed since the missed dose
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of eriprox-er 1000 tablet

✅ Common Side Effects

Nausea (Common (10-20%))
Take with food to reduce nausea. If persistent, consult your doctor.
Headache (Common (5-15%))
Usually resolves on its own. Consult doctor if severe or persistent.
Drowsiness (Common (5-15%))
Avoid driving or operating machinery until you know how it affects you.
Tremor (Common (5-10%))
Report to your doctor if it interferes with daily activities.
Weight gain (Common (5-10%))
Monitor weight and discuss with your doctor; diet and exercise may help.

🚨 Serious Side Effects

Hepatotoxicity (liver damage) (Rare (<1%))
Seek immediate medical attention if you notice yellowing of skin or eyes, dark urine, or severe abdominal pain.
Pancreatitis (Rare (<1%))
Seek immediate medical attention if you experience severe abdominal pain radiating to the back, with nausea and vomiting.
Thrombocytopenia (low platelet count) (Uncommon (1-5%))
Report unusual bleeding or bruising to your doctor immediately.
Suicidal thoughts or behavior (Uncommon (1-2%))
Seek immediate help if you experience thoughts of harming yourself.
Hyperammonemia (Rare (<1%))
Seek medical attention if you experience confusion, lethargy, or vomiting.

⚠️ Rare Side Effects

Stevens-Johnson syndrome
Seek immediate medical attention if you develop a rash, blisters, or peeling skin.
Aplastic anemia
Report fatigue, easy bruising, or frequent infections to your doctor.
Encephalopathy
Seek immediate medical attention if you experience confusion, seizures, or decreased consciousness.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Warfarin Major
Carbamazepine Major
Lamotrigine Major
Aspirin Moderate
Rifampin Moderate
Erythromycin Moderate
Cimetidine Moderate
Antacids Minor
Cholestyramine Minor
Alcohol Major

🚨 Major Interactions

  • Warfarin
  • Carbamazepine
  • Lamotrigine
  • Aspirin

⚡ Moderate Interactions

  • Rifampin
  • Erythromycin
  • Cimetidine

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine. It can increase the risk of liver damage, drowsiness, and may lower the seizure threshold, potentially reducing the effectiveness of the medication.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to divalproex sodium or valproic acid","Active liver disease or significant hepatic impairment","Urea cycle disorders","Known mitochondrial disorders caused by POLG mutations","Pregnancy for migraine prophylaxis and bipolar disorder, unless other options are ineffective","Children under 2 years for epilepsy (risk of fatal hepatotoxicity)"]

⚠️ Warnings & Precautions

["Hepatotoxicity: Monitor liver function closely, especially in high-risk patients.","Pancreatitis: Discontinue if suspected.","Suicidal thoughts: Monitor for mood changes.","Thrombocytopenia: Monitor platelet counts.","Hyperammonemia: Monitor ammonia levels if symptoms occur.","Fetal risk: Avoid in pregnancy unless essential.","Withdrawal: Do not stop abruptly.","Driving: May cause drowsiness."]

🤱 Lactation Safety

This medicine is excreted in breast milk. Breastfeeding is not recommended while taking this medicine due to potential risk to the infant. Consult your doctor for alternative options.

💊 Overdose Management

Overdose of this medicine can cause serious toxicity, including coma, seizures, and respiratory depression. If overdose is suspected, seek immediate medical attention. Treatment is supportive, with monitoring of vital signs, electrolytes, and valproate levels. Hemodialysis may be considered in severe cases.

⏰ 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

Always take this medicine exactly as prescribed by your doctor. Do not crush, chew, or break the extended-release tablet; swallow it whole with a glass of water. Take it with food to reduce stomach upset. Do not stop taking this medicine suddenly, as it can cause withdrawal seizures or mood instability. Avoid alcohol while taking this medicine, as it can increase the risk of liver damage and drowsiness. Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding. This medicine can cause dizziness or drowsiness; avoid driving or operating heavy machinery until you know how it affects you. Keep all appointments for blood tests to monitor liver function, blood counts, and drug levels. Store at room temperature away from moisture and heat. Do not share this medicine with others, even if they have similar symptoms.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the side effects of this medicine, especially drowsiness, tremors, and liver function abnormalities. Start with lower doses and titrate slowly. Regular monitoring of liver function and blood counts is essential.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor well in advance. This medicine can cause serious birth defects and should be avoided during pregnancy. Your doctor may switch you to a safer alternative or adjust the dose. Use effective contraception while taking this medicine.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine. It may interact with anesthetic agents and affect coagulation. Your doctor may recommend monitoring of valproate levels and coagulation parameters before and after surgery.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine. It may cause bleeding tendencies due to low platelets. Your dentist may take precautions to control bleeding during dental procedures.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight through diet and exercise to reduce the risk of weight gain.
🥗
Avoid alcohol completely to prevent liver damage and seizures.
😴
Get adequate sleep and manage stress to help control seizures and mood.
💧
Take calcium and vitamin D supplements if advised by your doctor to prevent bone loss.
🧘
Wear a medical alert bracelet to inform others of your condition and medication.

🏋️ Exercise Considerations

This medicine may cause drowsiness or dizziness. Avoid activities that require alertness, such as driving or operating heavy machinery, until you know how it affects you. Moderate exercise is generally safe, but consult your doctor before starting any new exercise program.

🥗 Diet Recommendations

Eat a balanced diet rich in fruits, vegetables, and whole grains.
Include adequate calcium and vitamin D for bone health.
Limit processed foods and sugary drinks to manage weight.
Stay well hydrated throughout the day.

💼 Impact on Daily Work & Life

This medicine may cause drowsiness, dizziness, or tremors, which can affect your ability to drive or operate machinery. It may also affect concentration. Discuss with your employer if your job requires such activities. With proper dose adjustment, many people can continue their normal activities.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. Abrupt discontinuation can cause withdrawal seizures or mood instability. Your doctor will gradually reduce the dose if needed. If you experience serious side effects, contact your doctor immediately for guidance.

📅 Long-Term Use Effects

Long-term use of this medicine may lead to weight gain, hair loss, tremors, and bone loss (osteoporosis). Regular monitoring of liver function, blood counts, and drug levels is essential. It may also affect cognitive function in some patients. Periodic review of the risk-benefit ratio is recommended.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Ketogenic diet

A high-fat, low-carbohydrate diet that can help control seizures in some patients, especially children.

Evidence: Well-established for certain types of epilepsy
Cognitive behavioral therapy

Can complement medication for bipolar disorder and migraine.

Evidence: Well-established
Biofeedback

May help with migraine prevention and stress management.

Evidence: Limited

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This medicine does not generally interact with vaccines. However, consult your doctor before receiving any live vaccines, as your immune response may be affected. Routine vaccinations are usually safe.

📦 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

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. Store at room temperature and protect from extreme heat or cold. If crossing time zones, consult your doctor about adjusting the dosing schedule. Carry enough supply for the entire trip and a few extra days. Check local customs regulations for controlled substances.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 32-year-old woman with bipolar disorder
She was started on this medicine for manic episodes. After a few weeks, her mood stabilized significantly. She experienced mild nausea initially, which subsided when she took the tablet with breakfast. She emphasizes the importance of regular blood tests and avoiding alcohol.
💡 Lesson: Consistent use with food and regular monitoring make this medicine effective and tolerable.
👤 A 45-year-old man with epilepsy
He had frequent complex partial seizures despite other medications. His doctor added this medicine, and his seizure frequency dropped dramatically. He had to stop driving for a few weeks until his seizures were controlled. He advises others to never skip doses and to report any unusual symptoms promptly.
💡 Lesson: This medicine can be life-changing for epilepsy when taken as prescribed, but safety precautions like driving restrictions are essential.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: For seizures, effects may be seen within days to weeks. For mood stabilization, it may take several days to weeks. For migraine prevention, it may take several weeks to achieve full effect.

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

A: No, never stop this medicine suddenly as it can cause withdrawal seizures or mood instability. Always consult your doctor before making any changes.

Q: Is it safe during pregnancy?

A: This medicine can cause serious birth defects and should be avoided during pregnancy unless absolutely necessary. Consult your doctor immediately if you are pregnant or planning to become pregnant.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my liver 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 eriprox-er 1000 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 sleeping pill.
    Fact: This medicine is an anticonvulsant and mood stabilizer, not a sleeping pill. It may cause drowsiness as a side effect.
  • Myth: You can stop taking this medicine once you feel better.
    Fact: Never stop this medicine suddenly as it can cause withdrawal seizures or mood instability. Always consult your doctor.
  • Myth: This medicine is safe to take during pregnancy.
    Fact: This medicine can cause serious birth defects and should be avoided during pregnancy unless absolutely necessary.

🔄 Alternative Options

Generic Alternatives

  • Divalproex sodium extended-release tablets

Brand Alternatives

  • Diavol 1000mg Tablet ER

📊 Comparison with Similar Medicines

[{"medicine":"Divalproex sodium ER","class":"Anticonvulsant","main_use":"Epilepsy, bipolar, migraine","half_life":"9-16 hours","dosing":"Once daily"},{"medicine":"Valproic acid","class":"Anticonvulsant","main_use":"Epilepsy, bipolar, migraine","half_life":"9-16 hours","dosing":"Twice daily"},{"medicine":"Lamotrigine","class":"Anticonvulsant","main_use":"Epilepsy, bipolar maintenance","half_life":"25-30 hours","dosing":"Once or twice daily"}]

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