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Lamosyn 25 Tablet

Lamotrigine (25mg)

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Lamosyn 25 Tablet is an anti-epileptic medication that is used to treat two conditions, epilepsy and bipolar disorder. It works by blocking the signals in the brain that trigger epileptic seizures (fits) and in another way to prevent extreme mood swings.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 23 Jan 2026 | 10:15 AM (IST)

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General Information

Contains

Lamotrigine (25mg)

Marketer

Sun Pharmaceutical Industries Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Lamosyn 25 Tablet can be used alone or in combination with other medicines. It may be taken with or without food. Your doctor will decide the correct dose for you. This may increase gradually until your condition is stable. This medicine may take several weeks to work but it is important to take it regularly to get the maximum benefit. Do not stop taking it, even if you feel fine unless your doctor advises you to. You may have more seizures, or your bipolar disorder may get worse.

The most common side effects of this medicine include skin rashes, headache, nausea, and vomiting, difficulty sleeping, and dizziness. Most side effects wear off, but if they bother you or do not go away, tell your doctor. Inform your doctor immediately if you notice a rash or peeling of the skin. There may be ways of preventing or reducing these effects. Long-term treatment can cause weakness in your bones (osteoporosis), increasing your risk of breaking a bone.

Before taking this medicine, tell your doctor if you have kidney or liver problems, depression, or suicidal thoughts. Also let your healthcare professional know about all other medications you are using as some may affect, or be affected by, this medicine, including contraceptive pills. Consult your doctor if you are pregnant or breastfeeding as the dose may need to be adjusted. You should avoid driving or anything that requires concentration if this medicine makes you drowsy or dizzy. You may need frequent blood tests to check how you are responding to this medicine.

Uses of Lamosyn Tablet

Benefits of Lamosyn Tablet

Bipolar disorder
Bipolar disorder causes extreme mood swings, including emotional highs (mania) and lows (depression), which can disrupt daily life. Lamosyn 25 Tablet helps stabilize these mood changes by keeping brain activity balanced, reducing the frequency and intensity of mood episodes. This helps maintain emotional stability and improves overall quality of life.

Epilepsy/Seizures
Epilepsy is a condition where abnormal electrical activity in the brain leads to repeated seizures. Lamosyn 25 Tablet helps control these seizures by calming overactive nerve signals in the brain. Regular use reduces the number and severity of seizures, helping patients lead a more stable and active life.

Side effects of Lamosyn Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Lamosyn

Skin rash
Headache
Nausea
Vomiting
Dryness in mouth
Nasal congestion (stuffy nose)
Infection
Insomnia (difficulty in sleeping)
Sleepiness
Dizziness
Back pain
Abdominal pain
Blurred vision
Double vision
Impaired coordination

How to use Lamosyn Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Lamosyn 25 Tablet may be taken with or without food.

How Lamosyn Tablet works

Lamosyn 25 Tablet is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.

All substitutes for Lamosyn 25 Tablet

For information purposes only. Consult a doctor before taking any medicine.

Lamepil 25mg Tablet

by Ipca Laboratories Ltd

₹7.84/tablet

15% cheaper

Lamogine 25mg Tablet

by D D Pharmaceuticals

₹3.97/tablet

57% cheaper

Quick tips

Take your medication regularly as directed by your doctor as missing doses can trigger seizures.
Make sure that you have sufficient amount of medicine present with you.
Some healthy tips to prevent seizures:
- Practice yoga every day.
- Get enough sleep at nighttime.
- Limit the use of screen time such as mobile/laptop.
- Take your medication on time.
It may cause headaches. Drink plenty of water and take a suitable pain killer. Inform your doctor if it does not go away.
It may cause skin rash. Inform your doctor immediately if you notice a rash, itching and peeling of skin.
Talk to your doctor if you notice sudden mood changes or develop suicidal thoughts.
Do not stop taking the medication suddenly without talking to your doctor as it may increase the frequency of seizure.
Take it at the same time every day to maintain consistent levels in your body.
It may cause dizziness and sleepiness. Do not drive or do anything that requires mental focus until you know how it affects you.
Monitor your weight during treatment with this medicine as it can cause weight gain.
Do not stop taking the medication suddenly without talking to your doctor as it may increase the seizure frequency.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Lamosyn 25 Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Lamosyn 25 Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

CAUTION

Lamosyn 25 Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving

CONSULT YOUR DOCTOR

It is not known whether Lamosyn 25 Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

CAUTION

Lamosyn 25 Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Lamosyn 25 Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Lamosyn with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Estradiol (Oral Route)

Do not consume Estradiol with Lamotrigine. If concurrent use is essential, please consult your doctor. Estradiol may reduce blood levels of Lamotrigine.

Moderate

Progesterone (Oral Route)

Do not consume Progesterone with Lamotrigine. If concurrent use is essential, please consult your doctor. Progesterone may reduce blood levels of Lamotrigine.

Moderate

Progesterone (Natural Micronized) (Oral Route)

Do not consume Progesterone (Natural Micronized) with Lamotrigine. If concurrent use is essential, please consult your doctor. Progesterone (Natural Micronized) may reduce blood levels of Lamotrigine.

Moderate

Carbamazepine (Oral Route)

Please inform your doctor if you experience nausea, vomiting, ataxia, or drowsiness during the simultaneous use of these medicines. Carbamazepine may reduce blood levels of Lamotrigine.

Moderate

Sodium Valproate (Oral Route)

If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Sodium Valproate may raise blood levels of Lamotrigine.

Frequently asked questions

I started Lamosyn 25 Tablet and developed a rash. The doctor stopped Lamosyn 25 Tablet immediately and prescribed another medicine. Why?

There have been reports where patients developed serious rashes within 8 weeks of starting Lamosyn 25 Tablet and were hospitalized. Sometimes these rashes turn into severe skin infections and may endanger the patient’s life. Therefore, it is advised that if a patient develops rashes after starting Lamosyn 25 Tablet, it should be stopped and should not be restarted. Use of Lamosyn 25 Tablet is stopped even if the rashes are mild and non-serious. It is because of this that your doctor changed the medicine.

How long does it take Lamosyn 25 Tablet to work?

Though it varies from person to person, your symptoms may take about 6-8 weeks to improve.

What can be the consequences of taking a higher than the recommended dose of Lamosyn 25 Tablet?

You may experience quick and uncontrollable movements of your eye, clumsiness, and lack of coordination. High doses of Lamosyn 25 Tablet may cause problems with your balance, changes in heartbeat rhythm, loss of consciousness, fits (convulsions) or coma. Even if there are no signs of discomfort, seek immediate medical attention of a doctor or nearby hospital.

Can Lamosyn 25 Tablet affect pregnancy?

Studies on the human population do not show any effects of Lamosyn 25 Tablet on pregnant women or her fetus. However, it is advisable that you inform your doctor immediately if you become pregnant or are planning to get pregnant while taking Lamosyn 25 Tablet. In case therapy with Lamosyn 25 Tablet is considered during pregnancy, your doctor may prescribe the lowest effective dose.

Can I take Lamosyn 25 Tablet with other antiepileptic medicines?

It is important that you inform your doctor if you are already on any other antiepileptic medicines. The reason being, taking Lamosyn 25 Tablet with some antiepileptics (like valproate and carbamazepine) may increase the chances of developing side effects. Also, the dose of Lamosyn 25 Tablet may need adjustment if taken with antiepileptic medicines such as oxcarbazepine, felbamate, gabapentin, levetiracetam, pregabalin, topiramate or zonisamide.

How to take Lamosyn 25 Tablet?

Lamosyn 25 Tablet can be taken with or without food. Continue taking Lamosyn 25 Tablet in the dose and duration advised by the doctor to get maximum benefits of Lamosyn 25 Tablet.

I have symptoms of depression. Can I take Lamosyn 25 Tablet?

Yes, you can take Lamosyn 25 Tablet if you have depression symptoms. In fact, Lamosyn 25 Tablet is used in preventing depression. But, do not self medicate. Do not start or stop taking Lamosyn 25 Tablet on your own, unless otherwise advised by the doctor.

Fact Box

Chemical Class

Dichlorobenzenes

Habit Forming

Therapeutic Class

NEURO CNS

Action Class

Sodium Channel Modulators- Antiepileptic drugs (AEDs)

References

Stahl SM, editor. Lamotrigine. In: Stahl's Essential Pschopharmacology: Prescriber's Guide. 5th ed. New York, New York: Cambridge University Press; 2014. pp. 325-32.
McNamara JO. Pharmacotherapy of the Epilepsies. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 599-600.
Porters RJ, Meldrum BS. Antiseizure Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 409.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 771-74.
Lamotrigine. Uxbridge, Middlesex: GlaxoSmithKline UK; 1991 [revised 24 Oct. 2018]. [Accessed 23 Jan. 2019] (online) Available from:
Lamotrigine. Greenville, NC: GlaxoSmithKline; 2009. [Accessed 25 Mar. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 20 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 25 Mar. 2019] (online) Available from:
Lamotrigine [Package Insert]. Gangtok, Sikkim: Torrent Pharmaceuticals Ltd.; 2021. [Accessed 08 Jul. 2023]. (online) Available from:

User feedback

Patients taking Lamosyn 25 Tablet

Twice A Day

52%

Once A Day

41%

Thrice A Day

Alternate Day

What are you using Lamosyn Tablet for?

Epilepsy

50%

Others

50%

How much was the improvement?

Poor

67%

Average

33%

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Sun Pharmaceutical Industries Ltd
Address: Khasra No. 1335-1340,Near EPIP- I, Vill - Bhatoli Kalan ,Baddi, Solan, Himachal Pradesh, 173205 || Plot no 107/108,Namli block , Ranipool, East Sikkim 737135

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Lamosyn 25 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Lamosyn 25 Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Lamosyn Tablet

Benefits of Lamosyn Tablet

Side effects of Lamosyn Tablet

How to use Lamosyn Tablet

How Lamosyn Tablet works

All substitutes for Lamosyn 25 Tablet

Lamepil 25mg Tablet

Lamogine 25mg Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Estradiol (Oral Route)

Progesterone (Oral Route)

Progesterone (Natural Micronized) (Oral Route)

Carbamazepine (Oral Route)

Sodium Valproate (Oral Route)

Frequently asked questions

I started Lamosyn 25 Tablet and developed a rash. The doctor stopped Lamosyn 25 Tablet immediately and prescribed another medicine. Why?

How long does it take Lamosyn 25 Tablet to work?

What can be the consequences of taking a higher than the recommended dose of Lamosyn 25 Tablet?

Can Lamosyn 25 Tablet affect pregnancy?

Can I take Lamosyn 25 Tablet with other antiepileptic medicines?

How to take Lamosyn 25 Tablet?

I have symptoms of depression. Can I take Lamosyn 25 Tablet?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

User feedback

Patients taking Lamosyn 25 Tablet

What are you using Lamosyn Tablet for?

How much was the improvement?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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