intasam 400 mg tablet - Ademetionine (400mg) medicine

Heptral 400mg Tablet: Comprehensive Guide

No reviews yet
🏭 Intas Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 25, 2026
⚠️ Hepatotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Moderate for some indications; limited for others.
Reviewed by
SaathiMed Expert Panel | Sep 25, 2026

When to Call Your Doctor IMMEDIATELY

  • Severe allergic reaction: rash, itching, swelling of face, lips, or throat, difficulty breathing.
  • Signs of serotonin syndrome: agitation, hallucinations, rapid heart rate, fever, muscle stiffness.
  • Mania symptoms: elevated mood, decreased need for sleep, racing thoughts, unusual behavior.
  • Liver injury: yellowing of skin or eyes, dark urine, severe abdominal pain.
  • Severe nausea, vomiting, or diarrhea leading to dehydration.
  • Chest pain or irregular heartbeat.
  • Sudden vision changes or severe headache.

If experiencing severe symptoms, call emergency services immediately.

What is intasam 400 mg tablet used for?

This medicine contains Ademetionine 400mg, used to treat liver conditions like cholestasis, and may help with depression and osteoarthritis. It works by supporting liver function and brain chemicals. Take it exactly as prescribed by your doctor.

  • Generic Name: Ademetionine (400mg)
  • Manufacturer: Intas Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 intasam 400 mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा एडेमेटियोनिन 400mg टैबलेट है, जिसका उपयोग लिवर की समस्याओं जैसे कोलेस्टेसिस, फैटी लिवर और क्रोनिक हेपेटाइटिस में किया जाता है। यह अवसाद और ऑस्टियोआर्थराइटिस में भी सहायक हो सकती है। यह लिवर में पित्त के प्रवाह को सुधारती है और मस्तिष्क में न्यूरोट्रांसमीटर के स्तर को संतुलित करती है। इसका सेवन डॉक्टर के निर्देशानुसार ही करें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में मतली, पेट खराब, दस्त, कब्ज, सूखा मुँह, सिरदर्द और अनिद्रा शामिल हो सकते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन एलर्जी, सूजन, सांस लेने में कठिनाई, या मनोदशा में बदलाव हो सकते हैं। यदि कोई असामान्य लक्षण दिखे तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को लेने से पहले अपने डॉक्टर को अपनी सभी स्वास्थ्य समस्याओं और दवाओं के बारे में बताएं। गर्भावस्था या स्तनपान के दौरान बिना डॉक्टर की सलाह के न लें। शराब का सेवन न करें। दवा को डॉक्टर के बताए अनुसार ही लें। यदि खुराक भूल जाएं तो याद आने पर ले लें, लेकिन अगली खुराक का समय नजदीक हो तो छोड़ दें। दोहरी खुराक न लें। बच्चों की पहुंच से दूर रखें।

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

💊 intasam 400 mg tablet Uses & Benefits

[{"condition":"Intrahepatic cholestasis","description":"This medicine helps improve bile flow and reduces liver enzyme levels in conditions where bile secretion is impaired, such as intrahepatic cholestasis of pregnancy and chronic liver disease.","evidence":"Well-established"},{"condition":"Major depressive disorder","description":"Used as an adjunctive treatment to enhance the effects of antidepressants or as monotherapy in mild to moderate depression, likely by increasing neurotransmitter levels.","evidence":"Moderate"},{"condition":"Osteoarthritis","description":"May provide symptomatic relief from pain and improve joint function in osteoarthritis, possibly through anti-inflammatory and cartilage-protective effects.","evidence":"Moderate"},{"condition":"Fatty liver disease","description":"Supports liver health by reducing oxidative stress and improving liver enzyme profiles in non-alcoholic fatty liver disease.","evidence":"Limited"},{"condition":"Fibromyalgia","description":"Sometimes used to reduce pain and fatigue in fibromyalgia, though evidence is mixed.","evidence":"Limited"}]

Off-label uses: [{"condition":"Migraine prophylaxis","description":"Occasionally prescribed off-label to prevent migraines, but evidence is not robust.","evidence":"Limited"},{"condition":"Attention deficit hyperactivity disorder (ADHD)","description":"Rarely used off-label for ADHD symptoms, but not supported by strong clinical trials.","evidence":"Insufficient"}]

Primary treatment for: Intrahepatic cholestasis

Also treats: Major depressive disorder, Osteoarthritis, Fatty liver disease, Fibromyalgia

📋 Drug Information

Generic Name(s)Ademetionine (400mg)
Brand Nameintasam 400 mg tablet
ManufacturerIntas Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassVITAMINS MINERALS NUTRIENTS
Action ClassHepatoprotectives
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Keep away from moisture and direct sunlight. Do not refrigerate unless specified. Keep in the original container.
Shelf Life24 months from the date of manufacture, unless otherwise stated on the packaging.
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 the same time each day to maintain consistent levels.
2
If it causes stomach upset, take it with a meal.
3
Avoid alcohol completely while on this medicine to protect your liver.
4
Inform your doctor if you have bipolar disorder, as this medicine may trigger mania.
5
Do not stop taking this medicine abruptly without consulting your doctor.
6
Monitor your mood and report any unusual changes to your doctor.
7
If you are diabetic, monitor your blood sugar regularly as this medicine may affect levels.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Chronic liver disease with itching
This medicine is commonly prescribed for cholestasis.
Likely Use
✅
Depression
May be used as an adjunct in depression.
Likely Use
✅
Joint pain
May be used in osteoarthritis.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary
❌
Acute infection
Not indicated for infections.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAdemetionine is absorbed from the gastrointestinal tract after oral administration. However, its bioavailability is limited due to first-pass metabolism. The exact absorption characteristics can vary among individuals.
DistributionAfter absorption, Ademetionine is distributed to various tissues, with the highest concentrations found in the liver, adrenal glands, and pancreas. It crosses the blood-brain barrier to some extent, which is relevant for its central nervous system effects.
Protein BindingNot established from the available information.
MetabolismAdemetionine is metabolized primarily in the liver through three pathways: transmethylation, transsulfuration, and aminopropylation. It is converted to S-adenosylhomocysteine, cysteine, and other metabolites.
Half-LifeThe elimination half-life of Ademetionine is approximately 1.5 to 2 hours after oral administration, but this can vary.
ExcretionMetabolites of Ademetionine are excreted mainly in the urine and feces.
BioavailabilityThe oral bioavailability of Ademetionine is low, estimated to be around 5% or less due to extensive first-pass metabolism. Enteric-coated formulations may improve bioavailability.
Onset of ActionThe onset of action varies depending on the indication. For mood effects, it may take 1 to 2 weeks to notice improvement. For liver conditions, biochemical improvements may be seen within a few weeks.
Peak Plasma TimePeak plasma levels are typically reached 2 to 6 hours after oral administration.
Duration of ActionThe duration of action depends on the indication and individual factors. For liver support, effects may last as long as the medicine is taken. For mood, effects may persist with continued use.

How It Works

Ademetionine, the active ingredient in this medicine, is a naturally occurring molecule that serves as a primary methyl donor in numerous biochemical reactions. It participates in three key pathways: transmethylation, transsulfuration, and aminopropylation. In transmethylation, it donates a methyl group to substrates such as DNA, proteins, and neurotransmitters, influencing gene expression and mood. In transsulfuration, it is converted to cysteine, which is a precursor to glutathione, a powerful antioxidant that protects liver cells from damage. In aminopropylation, it contributes to the synthesis of polyamines, which are important for cell growth and repair. By supporting these processes, this medicine helps maintain liver cell membrane fluidity, enhances bile flow, and modulates neurotransmitter levels, which may improve mood and reduce pain.

Mechanism Steps

1
Methyl group donation: Ademetionine donates a methyl group to various acceptor molecules, including DNA, proteins, and neurotransmitters, in a process called transmethylation.
2
Glutathione synthesis: Through transsulfuration, Ademetionine is converted to cysteine, which is a rate-limiting precursor for glutathione, a major antioxidant.
3
Neurotransmitter modulation: By influencing methylation reactions, Ademetionine can increase the synthesis and availability of serotonin, dopamine, and norepinephrine.
4
Membrane stabilization: Ademetionine contributes to the production of phosphatidylcholine, which is essential for maintaining cell membrane fluidity and integrity, particularly in liver cells.
5
Bile flow enhancement: The improved membrane function and antioxidant effects help restore bile secretion and flow, alleviating cholestasis.

💡 How to Take intasam 400 mg tablet

Strength: Immediate-release tablet, 400mg

1Read the prescription label carefully.
2Take the tablet with a full glass of water.
3Swallow the tablet whole. Do not crush, chew, or break it unless your doctor advises.
4You can take it with or without food. If it upsets your stomach, take it with a meal.
5Take it at the same time each day to maintain consistent levels.
6Do not take more than the prescribed dose.
7If you miss a dose, follow the missed dose instructions.
8Store the medicine properly.

Dosage Information

Adult DosageThe usual adult dose of this medicine is 400mg to 800mg per day, taken orally, often divided into one to two doses. For liver conditions, the dose may be 400mg two to three times daily. For depression, doses of 400mg to 1600mg per day have been used in clinical studies, but the optimal dose varies. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Do not self-adjust the dose. Follow your doctor's instructions exactly.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the effects of this medicine. Start with a lower dose and monitor for side effects. Dose adjustment should be based on renal and hepatic function. Consult your doctor for personalized dosing.
Renal ImpairmentNo specific dose adjustment guidelines are available for renal impairment. Use with caution in patients with severe renal impairment. Consult your doctor for dose adjustment.
Hepatic ImpairmentNo specific dose adjustment guidelines are available for hepatic impairment. However, this medicine is often used in liver disease. Monitor liver function regularly. Consult your doctor for personalized dosing.
Maximum Daily DoseThe maximum recommended daily dose is not clearly established. In clinical studies, doses up to 1600mg per day have been used. Do not exceed the dose prescribed by your doctor.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Grapefruit
Avoid
May increase drug levels and side effects.
Alcohol
Avoid
Increases risk of liver damage and reduces efficacy.

⏰ 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 intasam 400 mg tablet

✅ Common Side Effects

Nausea (Common (5-10%))
Take with food to reduce nausea. If it persists, consult your doctor.
Diarrhea (Common (5-10%))
Stay hydrated. If diarrhea is severe or persistent, contact your doctor.
Headache (Common (5-10%))
Rest and stay hydrated. Consult doctor if headache is severe or persistent.
Insomnia (Common (5-10%))
Avoid taking in the evening. Practice good sleep hygiene. Consult doctor if it continues.
Dry mouth (Common (5-10%))
Drink water frequently. Chew sugar-free gum if needed.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek immediate medical attention if you experience rash, itching, swelling of face, lips, or throat, difficulty breathing, or dizziness.
Mania or hypomania (Rare (<0.1%))
Contact your doctor immediately if you experience elevated mood, decreased need for sleep, racing thoughts, or unusual behavior.
Severe liver injury (Rare (<0.1%))
Seek medical attention if you notice yellowing of skin or eyes, dark urine, or severe abdominal pain.

⚠️ Rare Side Effects

Serotonin syndrome
Seek emergency care if you have agitation, hallucinations, rapid heart rate, fever, or muscle stiffness, especially if taking other serotonergic drugs.
Pancreatitis
Seek immediate medical attention if you experience severe upper abdominal pain that radiates to your back.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAO inhibitors Major
SSRIs Major
SNRIs Major
Tricyclic antidepressants Major
Levodopa Moderate
Antidiabetic drugs Moderate
Caffeine Minor
Alcohol Minor

🚨 Major Interactions

  • MAO inhibitors
  • SSRIs and SNRIs
  • Tricyclic antidepressants

⚡ Moderate Interactions

  • Levodopa
  • Antidiabetic drugs

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine. Alcohol can increase the risk of liver damage and may reduce the effectiveness of Ademetionine. It can also worsen side effects such as nausea and dizziness. If you consume alcohol regularly, discuss this with your doctor before starting this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to Ademetionine or any component of the formulation.","Bipolar disorder, unless under close psychiatric supervision.","Severe renal impairment, unless prescribed by a specialist.","Use with MAO inhibitors.","Pregnancy and breastfeeding, unless clearly needed and advised by a doctor."]

⚠️ Warnings & Precautions

["May trigger mania or hypomania in patients with bipolar disorder. Use with caution and monitor mood.","May cause serotonin syndrome when used with other serotonergic drugs. Avoid combination or monitor closely.","Not recommended for children unless prescribed by a pediatrician.","Avoid alcohol consumption during treatment.","May affect blood sugar levels; monitor if diabetic.","Do not exceed the recommended dose.","Inform your doctor if you have any allergies or other medical conditions."]

🤱 Lactation Safety

It is not known whether Ademetionine passes into breast milk. Consult your doctor before using this medicine while breastfeeding.

💊 Overdose Management

There is limited information on overdose with this medicine. If you suspect an overdose, seek immediate medical attention. Symptoms of overdose may include severe nausea, vomiting, diarrhea, and mood changes. Treatment is supportive and symptomatic. Contact a poison control center or emergency room if needed.

⏰ 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 take a double dose to make up for a missed one.

Additional Safety Advice

General Safety

Before taking this medicine, inform your doctor if you have a history of bipolar disorder, anxiety, or any psychiatric condition, as Ademetionine may worsen these conditions. Do not take this medicine without medical advice if you are pregnant, planning to become pregnant, or breastfeeding. Avoid alcohol while taking this medicine, as it may increase the risk of liver problems and reduce the effectiveness of the treatment. Take this medicine exactly as prescribed. Do not crush, chew, or break the tablet unless your doctor advises otherwise. Swallow it whole with a glass of water. If you miss a dose, take it as soon as you remember, but skip it if it is almost time for your next dose. Do not double the dose. Keep this medicine out of reach of children. Store it at room temperature, away from moisture and direct sunlight. Do not use it after the expiry date. If you experience any unusual symptoms or side effects, contact your doctor immediately.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the effects of this medicine. Start with a lower dose and monitor for side effects such as dizziness, confusion, or gastrointestinal upset. Regular monitoring of liver and kidney function is advised.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before taking this medicine. It is used in some pregnancy-related liver conditions under medical supervision, but safety for the baby is not fully established. Your doctor will weigh the benefits and risks.

🏥 Post-Surgery Considerations

There is limited information on the use of this medicine after surgery. Consult your surgeon or doctor before resuming this medicine post-surgery, especially if you are on other medications.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine before any dental procedure. There are no specific precautions, but it is important for your healthcare provider to know your medication history.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to reduce stress on your liver and joints.
🥗
Eat a balanced diet rich in fruits, vegetables, and whole grains.
😴
Avoid alcohol and recreational drugs to protect your liver.
💧
Exercise regularly, but choose low-impact activities like walking or swimming.
🧘
Get adequate sleep to support mood and liver health.
🌞
Manage stress through meditation, yoga, or deep breathing exercises.
🚭
Stay hydrated by drinking plenty of water.

🏋️ Exercise Considerations

This medicine may cause dizziness or drowsiness in some people. Avoid strenuous exercise or operating heavy machinery until you know how it affects you. If you experience muscle pain or weakness, consult your doctor before continuing exercise.

🥗 Diet Recommendations

Include omega-3 rich foods like fish, flaxseeds, and walnuts.
Reduce intake of processed and fried foods.
Eat plenty of fiber-rich foods to support digestion.
Limit sugar and refined carbohydrates.
Stay well hydrated.
Avoid alcohol completely.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or drowsiness in some individuals, which can affect your ability to drive or operate machinery. It is advisable to avoid these activities until you know how the medicine affects you. If your work involves heavy machinery or driving, discuss with your doctor. Otherwise, it should not significantly impact your daily work life.

🛑 When to Stop This Medicine

Do not stop taking this medicine without consulting your doctor. If you experience severe side effects or allergic reactions, stop immediately and seek medical help. Your doctor will advise you on when and how to stop based on your condition and response to treatment.

📅 Long-Term Use Effects

Long-term use of this medicine is generally well tolerated, but regular monitoring of liver function and mood is advised. In some patients, it may cause persistent gastrointestinal symptoms. There is limited data on very long-term use beyond one year. Your doctor may periodically assess the need for continued treatment.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Ursodeoxycholic acid

Another medicine for cholestasis that improves bile flow.

Evidence: Well-established
Silymarin (milk thistle)

Herbal supplement with liver-protective properties.

Evidence: Limited
Lifestyle modifications

Diet, exercise, and alcohol avoidance can support liver health.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, if you are due for any vaccination, inform your doctor that you are taking 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

When traveling, carry this medicine in its original packaging along with a copy of your prescription. Keep it in your carry-on luggage to avoid loss. Store at room temperature and protect from moisture and sunlight. If crossing time zones, adjust your dosing schedule gradually, but consult your doctor for specific advice. Check customs regulations for carrying prescription medicines to your destination.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 52-year-old woman with intrahepatic cholestasis of pregnancy
She was prescribed this medicine to manage severe itching and elevated liver enzymes. Within two weeks, her itching reduced significantly, and her liver enzymes improved. She took it under close medical supervision and delivered a healthy baby.
💡 Lesson: This medicine can be effective for cholestasis of pregnancy when used under medical supervision.
👤 A 45-year-old man with major depressive disorder not responding to SSRIs alone
His doctor added this medicine as an adjunct to his antidepressant. After four weeks, he noticed a significant improvement in his mood and energy levels. He experienced mild nausea initially, which subsided after taking it with food.
💡 Lesson: Adjunctive use of this medicine may enhance antidepressant effects, but it requires monitoring for interactions.
👤 A 60-year-old woman with osteoarthritis of the knee
She started this medicine for joint pain and stiffness. After one month, she reported reduced pain and improved mobility. She combined it with physical therapy and a healthy diet.
💡 Lesson: This medicine may provide symptomatic relief in osteoarthritis, especially when combined with lifestyle measures.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: For liver conditions, improvements may be seen within a few weeks. For depression, it may take 1 to 2 weeks to notice mood changes. Full effects may take 4 to 8 weeks.

Q: Can I take this medicine with food?

A: Yes, you can take it with or without food. If it upsets your stomach, take it with a meal.

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

A: Take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double dose.

Q: Is it safe to take with other antidepressants?

A: It may interact with other antidepressants, increasing the risk of serotonin syndrome. Consult your doctor before combining.

Q: Can I stop taking this medicine suddenly?

A: Do not stop without consulting your doctor. Abrupt discontinuation may lead to recurrence of symptoms.

🤔 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?
  • Is it safe during pregnancy?
  • Can I take it with other antidepressants?

🔄 Substitutes for intasam 400 mg 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 vitamin supplement.
    Fact: It is not a vitamin but a naturally occurring compound with medicinal properties.
  • Myth: It can cure all liver diseases.
    Fact: It is used for specific liver conditions and should be taken under medical supervision.
  • Myth: It is safe to take without a prescription.
    Fact: It is a prescription medicine and should only be taken as advised by a doctor.

🔄 Alternative Options

Generic Alternatives

  • Ademetionine 400mg tablet (generic)

Brand Alternatives

  • Heptral 400mg tablet

📊 Comparison with Similar Medicines

[{"medicine":"Ademetionine","class":"Methyl donor","primary_use":"Cholestasis, depression","route":"Oral"},{"medicine":"Ursodeoxycholic acid","class":"Bile acid","primary_use":"Cholestasis","route":"Oral"},{"medicine":"Silymarin","class":"Herbal","primary_use":"Liver protection","route":"Oral"}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory