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Kronostar 300 Tablet is used to treat epilepsy/seizures/fits. Additionally, it is also used to treat mood disorders and migraine. It contains Sodium valproate and Valproic acid, which works by decreasing the excessive and abnormal nerve activity in the brain. Thereby, it helps in controlling seizures. It blocks the nerve transmission across the brain and provides a calming effect. In some cases, it may cause common side effects such as headache, sleepiness, drowsiness, impaired coordination, apathy (lack of interest), irregular periods and weight gain. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Manufacturer/Marketer :

Lupin Ltd

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

NPPA :

Regulated

About Kronostar 300 Tablet

Kronostar 300 Tablet is a prescription medicine primarily used to treat and control different types of seizures in people with epilepsy. It is also prescribed to manage manic episodes associated with bipolar disorder and to prevent migraine headaches from starting. It helps stabilise overactive electrical activity in the brain to keep these conditions under control.

For this medicine to work effectively, you must take it consistently at the same times every day. You can take Kronostar 300 Tablet with or without food, but taking it with a meal can help prevent an upset stomach. Making positive lifestyle changes, such as maintaining a consistent sleep schedule and managing stress, can further support the success of your treatment.

While taking Kronostar 300 Tablet , some people may experience mild side effects like drowsiness or temporary hair thinning. However, you must monitor your body closely and contact your doctor immediately if you notice signs of serious complications, such as severe upper stomach pain, persistent vomiting, or yellowing of your eyes or skin.

Do not take this if you have active liver disease, a personal or family history of severe liver problems, or genetic mitochondrial disorders. Before starting treatment, tell your doctor if you have kidney problems, a history of depression or suicidal thoughts, or a urea cycle disorder. It is highly important to discuss these conditions to ensure the medicine is safe for you.

This medicine can interact with other substances; for instance, drinking alcohol while taking Kronostar 300 Tablet can lead to extreme drowsiness and increase the strain on your liver. If you are pregnant, planning to become pregnant, breastfeeding, or are an elderly individual, you must consult your healthcare provider before taking this medication. Kronostar 300 Tablet can cause serious birth defects and developmental disorders in an unborn baby and should generally be avoided during pregnancy unless no suitable alternative treatment is available. Women who can become pregnant should use effective contraception and discuss pregnancy planning with their doctor before starting or continuing treatment.

Uses of Kronostar 300 Tablet

Kronostar 300 Tablet is used to manage neurological and psychiatric conditions by helping stabilise electrical activity in the brain. It is commonly prescribed for the following conditions:

  • Epilepsy and Seizures: Kronostar 300 Tablet helps control and prevent various types of seizures by calming hyperactive nerve signals in the brain.
  • Bipolar Disorder (Manic Episodes): Kronostar 300 Tablet helps stabilise mood swings, reducing periods of extreme high energy, excitement, or irritability.
  • Migraine Prevention: Kronostar 300 Tablet reduces the frequency and severity of migraine attacks, though it is not used to treat a migraine headache that has already started.
     

Key Benefits

By helping stabilise brain activity, Kronostar 300 Tablet provides several important benefits that improve long-term symptom control and quality of life, including:

  • Reduces Seizure Frequency: Helps prevent seizures, allowing better day-to-day functioning and reducing the risk of seizure-related injuries.
  • Supports Mood Stability: Helps control manic episodes and promotes more stable moods in people with bipolar disorder.
  • Prevents Migraine Attacks: Reduces the number and severity of migraine episodes, helping minimise disruption to daily activities.
  • Promotes Better Quality of Life: Improved control of seizures, mood swings, or migraines helps support a more consistent and independent lifestyle.
  • Provides Long-Term Symptom Control: When taken regularly as prescribed, it helps maintain stable brain function and reduces the likelihood of symptom recurrence.
  • Convenient Dual-Component Therapy: Combines sodium valproate and valproic acid to provide effective and sustained therapeutic levels for ongoing management of eligible conditions.
     
Side effects of Kronostar 300 Tablet
  • Reduce salt intake to minimize fluid buildup.
  • Use compression stockings, sleeves, or gloves.
  • Gently massage the affected area towards the heart.
  • Protect the swollen area from injury and keep it clean.
  • Use lotion or cream to keep the skin moisturized.
  • Do not stand up suddenly. Lie down and get up slowly only when you feel better.
  • Avoid alcohol and large meals.
  • Drink enough water before standing for long periods.
  • Exercise regularly; however, avoid exercising in extreme heat.
  • Eat small, low-carb meals.
  • Wear compression stockings.
Here are the steps to manage the medication-triggered Tachycardia (Fast Heart Rate):
  • Contact your doctor immediately if you're experiencing a fast heart rate, palpitations, or other heart-related symptoms. This is crucial to determine whether the symptoms are related to your medication.
  • Your doctor may need to adjust your medication regimen to alleviate the fast heart rate symptoms. This could involve changing the medication, reducing the dosage, or adding new medications to counteract the side effects.
  • Follow your doctor's advice on monitoring your heart rate and blood pressure. This will help track any changes and ensure your heart rate returns normal.
  • If you experience severe symptoms such as chest pain, dizziness, or shortness of breath, seek immediate medical attention. These symptoms can indicate a more serious condition that requires prompt treatment.
  • Regular exercise increases nitric oxide, relaxing blood vessels and improving circulation.
  • Avoid smoking and alcohol consumption as they can damage blood vessels and worsen vasodilation.
  • Foods high in omega-3 fatty acids such as walnuts, flaxseeds and fatty fish improve cardiovascular health and lower inflammation.
  • Limit the amount of salt in your regular diet.
  • Avoid triggers like alcohol, caffeine, and energy drinks.
  • Try relaxation techniques such as yoga, meditation, or deep breathing.
  • Exercise regularly as it helps maintain heart health.
  • Follow a nutritious and balanced diet.
  • Hallucination is a major psychotic disorder that needs immediate medical attention.
  • Acknowledge your experience and put effort to control hallucinations. You can share what is being seen with a therapist to know whether they are real or imaginary.
  • Avoid smoking and alcohol intake as it can worsen the condition and increase your imagination.
  • Practice meditation and yoga to avoid anxiety, which can be one of the leading causes of hallucinations.
  • Talk to your dietician and consume food that can improve your mental health.

Directions for Use

  • Take Kronostar 300 Tablet with food to avoid stomach upset or as advised by a doctor.
  • Follow your doctor's instructions on the dosage and timing of this medication to ensure safety.
  • Swallow the medicine as a whole with a glass of water.
  • Do not crush, break, or chew it.

How Kronostar 300 Tablet Works

Kronostar 300 Tablet works by calming overactive electrical signals in your brain through several complementary mechanisms. It increases the activity of a natural chemical messenger called GABA (gamma-aminobutyric acid), which acts as a natural 'brake' in the nervous system. It also helps stabilise overactive nerve cells by affecting sodium and calcium channels involved in transmitting electrical signals. Together, these actions help prevent the uncontrolled nerve activity that can lead to seizures, manic episodes, and migraine attacks.
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Alcohol

Unsafe

Avoid consumption of alcohol while taking Kronostar 300 Tablet as it may increase the risk of seizures.

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Pregnancy

Unsafe

Kronostar 300 Tablet belongs to pregnancy category D. Avoid taking Kronostar 300 Tablet if you are pregnant unless prescribed by a doctor, as it could lead to serious birth defects.

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Breast Feeding

Consult your doctor

Kronostar 300 Tablet may pass into breastmilk. Consult your doctor before taking Kronostar 300 Tablet if you are breastfeeding.

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Driving

Unsafe

Kronostar 300 Tablet causes dizziness, sleepiness and drowsiness. Do not drive or operate machinery unless you are alert.

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Liver

Unsafe

Kronostar 300 Tablet should not be used if you have liver problems or your family has a history of liver problems. Please consult your doctor if you have any concerns regarding this.

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Kidney

Consult your doctor

Dose adjustment may be needed in patients with kidney impairment. Please consult your doctor if you have kidney impairment or any concerns regarding this.

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Children

Caution

Kronostar 300 Tablet can be given to children if prescribed by the doctor. The dose will be adjusted by the doctor depending upon the child's body weight.

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Heart

Consult your doctor

Please inform your doctor if you have any pre-existing heart problems

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Geriatrics

Caution

Kronostar 300 Tablet should be given with caution in elderly patients due to an increased risk of side effects. Seek medical advice before using Kronostar 300 Tablet .

What if I have taken an overdose of Kronostar 300 Tablet

If you take too much of this medicine, seek immediate emergency medical attention or contact a poison control center right away. Symptoms of an overdose can include extreme sleepiness, shallow breathing, or loss of consciousness.

Diet & Lifestyle Advise

  • Avoid alcohol: Drinking alcohol while taking this medicine can cause severe drowsiness and significantly increases the risk of liver damage.
  • Track your symptoms: Keep a daily diary of your seizures, mood changes, or migraine episodes to share with your doctor at your next visit.
  • Prioritize sleep: Lack of sleep can trigger seizures and migraines. Aim for 7 to 9 hours of quality sleep every night.
  • Eat consistent meals: Taking your medicine with food can protect your stomach lining and reduce nausea.
health query

Have a query?

How Soon It Starts Working

  • The time required for Kronostar 300 Tablet to start to work: The time required for Kronostar 300 Tablet to show its action is not clinically established.
  • The time for which the effects of Kronostar 300 Tablet last: The duration of action for Kronostar 300 Tablet is not clinically established.

What if you forget to take Kronostar 300 Tablet

If you miss a dose, take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for the missed one.

Storage

•Store Kronostar 300 Tablet at room temperature, between 15°C and 30°C, in a dry place away from direct heat, moisture, and light. •Do not store this medicine in the bathroom.

Drug Warnings

  • Do not stop taking Kronostar 300 Tablet suddenly, as doing so can trigger continuous, life-threatening seizures.
  • If you are of childbearing age, use highly effective birth control, as this medicine can cause severe birth defects in an unborn baby.
  • Avoid driving, riding a bike, or operating heavy machinery until you are certain that this medicine does not make you dizzy or sleepy.
  • Carry a medical ID card or wear a medical alert bracelet to let emergency responders know you are taking this medication.
  • Regular blood tests may be required to monitor your liver function, complete blood count (including platelet levels), and, when appropriate, the level of medicine in your body. Your doctor may also check your blood ammonia level if you develop unexplained drowsiness, vomiting, or confusion during treatment. 

Important Warning: This medicine carries a risk of severe liver damage, particularly in children younger than 2 years of age and those taking multiple seizure medicines. Contact your doctor immediately if you develop persistent vomiting, unusual sleepiness, severe stomach pain, or yellowing of the skin or eyes. 

Drug-Drug Interactions

verifiedApollotooltip

Kronostar 300 Tablet can interact with certain medicines, affecting how they work or increasing the risk of side effects. Inform your doctor about all prescription, over-the-counter, and herbal medicines you are taking, including:

  • Aspirin: May increase the level of Kronostar 300 Tablet in your blood, raising the risk of side effects.
  • Other seizure medicines: Medications like carbamazepine, phenytoin, or phenobarbital can alter how Kronostar 300 Tablet is processed, or vice versa.
  • Lamotrigine: Kronostar 300 Tablet can significantly increase lamotrigine levels, raising the risk of serious skin reactions and other side effects. Your doctor may prescribe a lower lamotrigine dose and monitor you closely.
  • Carbapenem antibiotics (such as meropenem or imipenem): These antibiotics can rapidly reduce valproate levels in your blood, increasing the risk of breakthrough seizures. Alternative antibiotics may be recommended whenever possible.
  • Blood thinners: Taking this medicine with blood thinners can increase your risk of bleeding or bruising.
Sodium ValproateSodium phenylbutyrate
Critical

Drug-Drug Interactions

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Sodium ValproateSodium phenylbutyrate
Critical
How does the drug interact with Kronostar 300 Tablet:
Combining Sodium phenylbutyrate and Kronostar 300 Tablet can increase ammonia levels in the blood.

How to manage the interaction:
Taking Sodium phenylbutyrate with Kronostar 300 Tablet is not recommended, but it can be taken if prescribed by a doctor. If you experience any symptoms like sudden dizziness, lightheadedness, fainting, headache, shortness of breath, nausea, vomiting, chest pain or tightness, rapid heartbeat, or memory loss, contact your doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Meropenam and Kronostar 300 Tablet together can reduce the effect of Kronostar 300 Tablet.

How to manage the interaction:
Co-administration of Meropenam and Kronostar 300 Tablet can lead to an interaction, but it can be taken if your doctor advises. However, if you experience any unusual symptoms, consult a doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Lithium with Kronostar 300 Tablet can increase the risk irregular heart rhythm.

How to manage the interaction:
Co-administration of Lithium and Kronostar 300 Tablet can lead to an interaction, but it can be taken if advised by your doctor. However, consult your doctor immediately if you experience any symptoms like dizziness, drowsiness, confusion, lightheadedness, fainting, shortness of breath, chest pain or tightness, rapid heartbeat, and difficulty concentrating. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Teriflunomide and Kronostar 300 Tablet can increase the risk of causing liver problems.

How to manage the interaction:
Co-administration of Teriflunomide and Kronostar 300 Tablet can lead to an interaction, it can be taken if advised by your doctor. However, if you experience any symptoms like fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark-colored urine, light-colored stools, and yellowing of the skin or eyes. Avoid alcohol while taking these medications, and consult your doctor immediately. Do not discontinue any medications without consulting your doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Ketamine and Kronostar 300 Tablet can increase side effects and cause respiratory depression.

How to manage the interaction:
Co-administration of Ketamine and Kronostar 300 Tablet can lead to an interaction, but it can be taken if your doctor advises. However, consult your doctor immediately if you experience any symptoms like dizziness, drowsiness, confusion, difficulty concentrating, excessive sedation, impaired thinking, judgment, and motor coordination. Avoid driving or operating hazardous machinery until you know how these medications affect you. Do not discontinue any medications without consulting the doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Leflunomide and Kronostar 300 Tablet can increase the risk of causing liver problems.

How to manage the interaction:
Co-administration of Leflunomide and Kronostar 300 Tablet can lead to an interaction, they can be taken together if prescribed by a doctor. However, if you experience fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, less desire to eat, fatigue, nausea, vomiting, abdominal pain, or yellowing of the skin or eyes, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
Severe
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Vorinostat with Kronostar 300 Tablet can increase the risk of unusual bleeding.

How to manage the interaction:
Co-administration of Vorinostat and Kronostar 300 Tablet can lead to an interaction, it can be taken if advised by your doctor. However, if you experience any symptoms like unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness, consult your doctor immediately. Do not discontinue any medications without consulting your doctor.
How does the drug interact with Kronostar 300 Tablet:
Using buprenorphine together with Kronostar 300 Tablet may increase the risk of severe side effects, including respiratory problems and loss of consciousness.

How to manage the interaction:
Although the administration of buprenorphine alongside Kronostar 300 Tablet can result in an interaction, it can be taken if a doctor has advised it. However, if you experience sudden dizziness, lightheadedness, fainting, shortness of breath, chest pain or tightness, rapid heartbeat, or memory loss, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Kronostar 300 Tablet:
Co-administration of Kronostar 300 Tablet with doripenem can reduce the blood levels of valproic acid.

How to manage the interaction:
Co-administration of Doripenam and Kronostar 300 Tablet can lead to an interaction, it can be taken if advised by your doctor. However, if you experience sudden dizziness, lightheadedness, fainting, shortness of breath, chest pain or tightness, rapid heartbeat, involuntary muscle movements, or memory loss, contact your doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Kronostar 300 Tablet:
The combined use of Ertapenem and Kronostar 300 Tablet can reduce the blood levels of valproic acid.

How to manage the interaction:
Co-administration of Ertapenem and Kronostar 300 Tablet can lead to an interaction, it can be taken if advised by your doctor. However, if you experience any symptoms like loss of seizure control or changes in behavior, consult your doctor immediately. Do not discontinue any medications without consulting the doctor.

Drug-Food Interactions

verifiedApollotooltip

Certain foods and beverages may increase the side effects of Kronostar 300 Tablet . Keep the following in mind during treatment:

  • Alcohol: Greatly increases the sedating effects of Kronostar 300 Tablet , leading to dangerous drowsiness, and increases the risk of liver damage.
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Habit Forming

No

Therapeutic Class

[ANTICONVULSANT]

FAQs

Kronostar 300 Tablet is primarily used to treat epilepsy/seizures/fits. It is also used to treat mood disorders and migraine.
Kronostar 300 Tablet decreases the excessive and abnormal nerve activity in the brain. Kronostar 300 Tablet increases the amount of a chemical substance called GABA, this helps in blocking the nerve transmission across the brain and provides a calming effect. Thereby helps in controlling seizures.
Do not discontinue Kronostar 300 Tablet without consulting your doctor. To treat your condition effectually, continue taking Kronostar 300 Tablet for as long as prescribed. Do not be reluctant to speak with your doctor if you feel any difficulty while taking Kronostar 300 Tablet ; your doctor will reduce the dose gradually to avoid worsening of seizures.
Kronostar 300 Tablet may cause thrombocytopenia (low levels of platelets). This might increase the risk of bleeding and bruising. Be cautious while using sharp objects. Consult your doctor if you notice unexplained bleeding or bruising.
Kronostar 300 Tablet may cause weight gain due to an increase in appetite. Maintain a healthy weight by following a proper diet and exercising regularly.
Kronostar 300 Tablet may increase the effect of aspirin when taken together. Please consult your doctor before taking Kronostar 300 Tablet with aspirin to avoid unpleasant side-effects. Kronostar 300 Tablet and aspirin should not be given together to children below 3 years as it could lead to liver intoxication.
Kronostar 300 Tablet contains sodium valproate and valproic acid as the active ingredients. It is used for the treatment of all types of epilepsy.
Take Kronostar 300 Tablet with or after food as advised by your doctor.
No, Kronostar 300 Tablet does not cause addiction. However, it should be taken as per dose and duration prescribed by your doctor. Avoid self-medication as it may have severe unwanted effects.
Kronostar 300 Tablet does not cure epilepsy, it only prevents the seizures from occurring. Therefore, you may need to continue taking it for years. If you experience any problems while taking Kronostar 300 Tablet , please consult your doctor.
Yes, Kronostar 300 Tablet has no influence on the working of birth control pills. However, contraceptives (birth control pills) may interfere with the working of Kronostar 300 Tablet and seizures may occur. Thus, it is essential to inform your doctor if you are using birth control pills. Your doctor will monitor your response to the treatment and Kronostar 300 Tablet levels in your blood.
Long term use of Kronostar 300 Tablet is safe for large number of patients. Rarely, using Kronostar 300 Tablet for long term may weaken your bones, thereby increasing their chances of breaking easily (osteopenia and osteoporosis). Get regular check-ups done for bone health if you are taking Kronostar 300 Tablet for a prolonged time.
Kronostar 300 Tablet may cause change of hair colour, thinning of hair, and even hair loss. If you have any concerns, discuss with your doctor if it is possible to reduce the dose of Kronostar 300 Tablet . Your hair may regrow after either switching to a different medicine or reducing your dose.
Kronostar 300 Tablet may cause side effects such as nausea, diarrhoea, hair loss, weight gain, headache and irregular periods. If these side effects persist or worsen, please consult your doctor.
You are recommended to avoid taking Kronostar 300 Tablet if you have known hypersensitivity to valproic acid, have liver disease, or are pregnant. It should be used with caution in kidney impairment patients.
Kronostar 300 Tablet overdose can cause serious symptoms such as metabolic acidosis and deep coma. If you suspect you have taken overdose of Kronostar 300 Tablet , seek medical help immediately.
This medicine carries a high risk of causing birth defects and developmental issues in unborn babies. If you are pregnant or planning to become pregnant, talk to your doctor immediately about alternative treatments.
Mild sleepiness is common when starting this medicine. Avoid driving or operating machinery until you know how it affects you, and talk to your doctor if the sleepiness does not go away.
No, you should avoid alcohol. Mixing alcohol with this medication can cause extreme drowsiness and put extra stress on your liver. Talk to your doctor for more advice.
Regular blood tests help your doctor monitor your liver function, blood cell counts (including platelets), and, when appropriate, the amount of medicine in your bloodstream. If you develop symptoms such as unexplained drowsiness, vomiting, or confusion, your doctor may also check your blood ammonia level. These tests help ensure the medicine remains both safe and effective.
Yes, increased appetite and weight gain are recognised side effects of this medicine. Maintaining a balanced diet and regular exercise can help manage this. Talk to your doctor if weight gain becomes a concern.
No, you should swallow the tablets or capsules whole. Crushing or chewing them can destroy their protective coating, leading to stomach irritation or a bitter taste. Talk to your pharmacist if you have difficulty swallowing pills.

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Country of origin

India

Manufacturer/Marketer address

Lupin Ltd, 3rd floor Kalpataru Inspire, Off. W E Highway, Santacruz (East), Mumbai 400 055. India
Other Info - KRO0005
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