Varenstop Tablet

Varenicline (1mg)

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Varenstop Tablet helps quit smoking by reducing the craving for a cigarette and the irritable feeling that occurs when you stop smoking. It works by blocking the nicotine effect on the brain and this suppresses enjoyment while smoking or the urge to smoke.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 25 Nov 2025 | 03:05 PM (IST)

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Gurgaon

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General Information

Contains

Varenicline (1mg)

Marketer

Mediverge Healthcare Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Varenstop Tablet may be taken with or without food, preferably at the same time each day. Take it in the dose and duration as advised by your doctor. If you have missed a dose, take it as soon as you remember. Do not skip any doses and finish the full course of treatment. You should never stop this medicine suddenly without talking to your doctor. This medication mustn't be stopped suddenly without talking to your doctor.

Some common side effects of using this medication are nausea, headache, insomnia (difficulty sleeping), abnormal dreams, and nasopharyngitis (inflammation of the throat and nasal passages). Initially, it may also cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you.

Before taking Varenstop Tablet, inform your doctor if you have a history of heart diseases, fits (seizures), or other mental disorders. Remember it will take time, support, willpower, and determination to quit the habit of smoking. It should be used as a smoking cessation aid along with programs including education, counseling, and support. Quitting smoking reduces the risk of developing further health-related problems such as heart or lung diseases as well as certain types of cancer.

Uses of Varenstop Tablet

Quitting smoking

Benefits of Varenstop Tablet

Quitting smoking
Varenstop Tablet is a medicine used, along with social support and counseling, to help people quit smoking and to prevent an urge to smoke again. Varenstop Tablet starts working from the very first dose and is a very safe and effective way of treating smoking addiction.

Side effects of Varenstop 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 Varenstop

Nausea
Headache
Insomnia (difficulty in sleeping)
Abnormal dreams
Nasopharyngitis (inflammation of the throat and nasal passages)

How to use Varenstop 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. Varenstop Tablet may be taken with or without food.

How Varenstop Tablet works

Varenstop Tablet is a smoking cessation aid. It works by mimicking the effect of nicotine by binding to the nicotine receptors in the brain. This reduces the urge to smoke, relieves withdrawal symptoms, and helps you quit smoking.

All substitutes for Varenstop Tablet

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

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Quick tips

Varenstop Tablet helps you to quit smoking by reducing the craving for a cigarette and the irritable feeling that occurs when you stop smoking.
In addition, counselling should be done to increase the chances of a successful quit attempt.
Quitting smoking can lower your chances of having lung disease, heart disease or getting certain types of cancer that are related to smoking.
Varenstop Tablet can make you very sleepy. Don't drive or do anything requiring concentration until you know how it affects you.
Stop taking Varenstop Tablet and inform your doctor if you notice sudden mood and behavior changes or develop suicidal thoughts.
Inform your doctor if you have a history of heart diseases, fits (seizures), or other mental disorders.
Varenstop Tablet helps you to quit smoking by reducing the craving for a cigarette and the irritable feeling that occurs when you stop smoking.
In addition, counselling should be done to increase the chances of a successful quit attempt.
Quitting smoking can lower your chances of having lung disease, heart disease or getting certain types of cancer that are related to smoking.
Varenstop Tablet can make you very sleepy. Don't drive or do anything requiring concentration until you know how it affects you.
Stop taking Varenstop Tablet and inform your doctor if you notice sudden mood and behavior changes or develop suicidal thoughts.
Inform your doctor if you have a history of heart diseases, fits (seizures), or other mental disorders.

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Varenstop Tablet

Pregnancy

CONSULT YOUR DOCTOR

The safety of Varenstop Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CAUTION

Varenstop 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

UNSAFE

Varenstop Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Varenstop Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

SAFE IF PRESCRIBED

Varenstop Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

Interaction with drugs

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

Mild

Ranolazine (Oral Route)

Your doctor may monitor the treatment outcome and may modify the treatment protocol as per the observation.

Frequently asked questions

Is Varenstop Tablet an anti-depressant?

No, Varenstop Tablet is not an anti-depressant medicine. It belongs to a class of medicines known as smoking cessation aids. It does not contain any nicotine. It blocks the action of nicotine in your brain and helps to reduce cravings. It also helps with the withdrawal symptoms associated with giving up smoking. Quitting smoking feels like a loss as people associate smoking with pleasure but Varenstop Tablet is not an antidepressant.

What's the best time of day to take Varenstop Tablet?

You can take Varenstop Tablet at any time of the day. However, it is advised to take the medicine at the same time each day so that you remember taking it. Initially, it is prescribed once daily and then twice, morning and evening. Take it exactly as prescribed by your doctor. Check with your doctor if you are not sure or if you have any queries.

Does Varenstop Tablet affect sleep?

Yes, Varenstop Tablet may cause sleepiness. It may also cause dizziness, trouble in concentrating, and transient loss of consciousness. You should avoid driving, operating complex machinery, or engaging in any potentially hazardous activity until and unless you know how this medicine affects you.

Can you just stop Varenstop Tablet?

If you really want to quit smoking you should continue taking Varenstop Tablet as advised by your doctor. However, if you experience serious side effects or if you are not sure consult your doctor. Sudden discontinuation of Varenstop Tablet in some cases have resulted in irritability and sleep disturbances. In such cases, gradual tapering of Varenstop Tablet is recommended.

Can I take Varenstop Tablet and nicotine replacement therapy (NRT), together?

Yes, you can take both together for better results, as they do not interfere with working of each other. However, taking these medicines together is not recommended since there are increased chances of side effects, which might force you to stop all treatment together. The side effects include nausea, vomiting, headache, dizziness, upset stomach, and tiredness.

How should I take Varenstop Tablet?

Take it as prescribed by your doctor. Take it after a meal with a full glass of water. Swallow the medicine without breaking or crushing. There are 3 ways which can help you quit with Varenstop Tablet. Firstly, choosing a quit date when you will stop smoking and start taking Varenstop Tablet 1 week prior to that date. Secondly, take Varenstop Tablet for 12 weeks. Pick a date to quit smoking between days 8 and 35 of treatment and take it for 12 weeks. Lastly, if you are sure that you are not able or willing to quit smoking right away, start taking Varenstop Tablet and reduce smoking during the first 12 weeks of treatment. Aim to quit smoking by the end of 12 week. An additional 12 weeks of treatment is recommended for successful quitters to increase the likelihood of complete cessation of smoking.

Can I continue smoking while on Varenstop Tablet?

If you really want to quit smoking, it is best to first decide on a quit date and stick to it. Initially the process to quit smoking may seem very difficult. However, for the first 1-2 weeks you can continue smoking. Continuing to smoke after your ‘quit date’ is not dangerous but will mean that you are less likely to quit successfully. Varenstop Tablet may help you in the process as it reduces the effect of cigarettes if you do smoke when on treatment.

Can I take again if I took it before and did not quit?

Speak to your doctor about whether another course of Varenstop Tablet will be right for you. Another course can only be started if you are motivated to quit smoking and were not able to do so during prior Varenstop Tablet treatment for reasons other than side effects or you returned to smoking after quitting.

Fact Box

Chemical Class

Pyridazine derivative

Habit Forming

Therapeutic Class

NEURO CNS

Action Class

Nicotinic Receptor Partial Agonist

References

Stahl SM, editor. Varenicline. In: Stahl's Essential Pschopharmacology: Prescriber's Guide. 5th ed. New York, New York: Cambridge University Press; 2014. pp. 717-19.
Lüscher C. Drugs of Abuse. 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. 562.
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. p. 1461.
Varenicline tartrate. Sandwich, Kent: Pfizer Limited; 2006 [revised Aug. 2018]. [Accessed 28 Jan. 2019] (online) Available from:
Varenicline. New York, New York: Pfizer Labs; 2006 [revised Oct. 2014]. [Accessed 19 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Varenicline. [Updated 2018 Dec 3]. [Accessed 20 Feb. 2020] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:

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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: Mediverge Healthcare Pvt Ltd
Address: R.O.: #4 Sidco Complex,Near BB21 Feeder , B.Brahmana, Jammu 181133, MOB.8815108842

Vendor Details

Country of origin: India

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