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Champix 0.5mg AND 1mg Tablet
Last updated on 25 Sep 2026 | 11:16 AM (IST)
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Introduction
Champix 0.5mg and 1mg tablets contain varenicline, a smoking cessation medication used to help adults quit smoking. Many people consider it one of the best smoking quit pills because it reduces nicotine cravings and makes withdrawal symptoms easier to manage. Champix Tablet uses include supporting smokers who find it hard to quit through willpower alone.
If you are wondering how Champix works to quit smoking, it blocks nicotine’s rewarding effects in the brain. This makes smoking less satisfying and helps reduce the urge to smoke. The Champix 0.5mg AND 1mg dosage is usually started gradually and increased as advised by the doctor.
Uses
Champix Tablet uses are
Helps adult smokers to stop smoking
Alleviates craving and withdrawal symptoms associated with smoking cessation
Reduces the ability to enjoy cigarettes
How Champix 0.5mg and 1mg tablets Works
Champix anti-smoking tablets partially enhance the action of the nicotinic acetylcholine receptor to produce an effect sufficient to alleviate symptoms of craving and withdrawal. It blocks the ability of nicotine to bind with the receptors, inducing dopamine release, which produces feelings of satisfaction.
Interaction of Champix 0.5mg AND 1mg Tablet with other drugs
Inform your healthcare provider about all the medicines you take, including prescription medications, over-the-counter medications, vaccinations, nutritional and vitamin supplements, and herbal products. Certain medications interact with Champix 0.5mg and 1mg tablet and reduce its effectiveness by causing undesirable side effects. Inform your physician if you are using insulin, theophylline, or blood thinner (warfarin) medications.
Storage Conditions
- Store the tablets below 30°C
- Protect the medicine from light and excessive moisture.
- Keep the medicine out of reach of children and pets
- If you forgot to take the tablet, take your next dose at the scheduled time. Do not take a double dose to make up for a forgotten dose.
How to take Champix 0.5mg AND 1mg Tablet
It is an orally available prescription drug. Your doctor will decide the dose and duration of Champix 0.5mg and 1mg tablet based on your condition and other factors. Always take this medicine as prescribed by your doctor. Take the tablet with or without food. Do not break, chew, crush, or break the tablet. Swallow the whole tablet with water. Stop or reduce smoking when you are consuming this tablet.
Safety Advice for Champix 0.5mg AND 1mg Tablet
Breast Feeding
Breastfeeding is not recommended in patients taking Champix 0.5 tablet because the medicine passes into the breast milk in small amounts and may harm your baby. Do not breastfeed during the treatment.
Alcohol
It is unsafe to consume alcohol with Champix 0.5mg and 1mg kit because it causes toxic effects. Avoid drinking alcohol during the treatment.
Liver
Champix 0.5mg and 1mg tablet is safe when administered in patients with hepatic impairment. No dose adjustments are necessary. However, Inform your physician if you have any liver diseases before initiating the therapy.
Lungs
It is unknown whether Champix 0.5mg and 1mg tablet is safe when administered in patients with lung problems. Inform your physician if you have any lung diseases before initiating the therapy.
Driving
Champix 0.5mg and 1mg tablet may cause dizziness, sleepiness, and loss of consciousness. Avoid driving. And operating heavy machinery during the treatment.
Pregnancy
Do not take Champix 0.5mg and 1mg tablet if you are pregnant because this may harm the unborn baby. Inform your physician if you are pregnant, suspecting, or planning to get pregnant during the treatment.
Side Effects
Side effects are unwanted symptoms caused by medicines. Even though all drugs cause side effects, not everyone gets them.
Common
Constipation
Flatulence
Nausea
Vomiting
Dream disorder, nightmares
Headache
Insomnia
Cough
Nasal and throat irritation
Serious
Heart problems
Sleepwalking disorder
Night blindness
Blurred vision
Abnormal behavior, depression
Mood disorder, suicidal ideation
Expert Tips
- This medicine should be administered cautiously in patients with kidney disease. Dose adjustments are necessary.
- This medicine may cause an increased risk of heart attack or stroke, serious skin reactions, and sleepwalking. Inform your physician immediately if you face any of these symptoms.
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
FAQs about Champix 0.5mg AND 1mg Tablet
Q1.
What should I tell my healthcare provider before taking Champix 0.5mg and 1mg tablet?
Inform your physician about all your medical and medication history, including over-the-counter medicines and nutritional or vitamin supplements you are taking. Especially, inform if you are taking, insulin, theophylline, and blood thinning medication (warfarin).
Q2.
What is the duration of course of Champix 0.5mg and 1mg tablet?
Generally, the medicine should be taken for 12 weeks. The duration of your treatment depends on the successful cessation of smoking. Your doctor will decide the dose and duration of your treatment.
Q3.
Can older patients take Champix 0.5mg and 1mg tablet?
Elderly patients are more likely to have decreased renal function, care should be given because dose adjustments are necessary for patients with renal failure. Inform your physician if you have any kidney diseases before initiating the treatment.
Q4.
What if I overdose on Champix 0.5mg and 1mg tablet?
If you overdose on the medicine unintentionally or accidentally, seek medical advice immediately. Do not overdose on the medicine.
Q5.
Why take Champix 0.5mg and 1mg tablet with food?
It is best if you take the medicine immediately after food. Take the tablets with a glass full of water to minimize potential side effects like nausea from the medicine.
Q6.
What are the precautions for Champix 0.5mg and 1mg tablet?
This medicine may cause an increased risk of heart attack or heart disease, depression, mental disorders, abnormal behavior, and suicidal ideation. Inform your doctor right away if you face any of these symptoms.
Fact Box
Molecule name | Varenicline |
Therapeutic class | Smoking cessation |
Pharmacological class | Smoking cessation Aids |
Indications | 1. Helps in quitting smoking 2. Relieves cravings and withdrawal symptoms associated with smoking. 3. Reduces the ability to enjoy smoking. |
References
- CHAMPIX 0.5 mg film-coated tablets (Maintenance Pack) - Summary of Product Characteristics (SmPC) - (emc). www.medicines.org.uk. [Published March 2022] [Accessed May 5, 2023] http://www.medicines.org.uk/emc/product/266/smpc
- CHANTIX - Varenicline Tablets; [Published 2016] [Accessed May 5, 2023] https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/021928s040lbl.pdf
- Christian Lüscher, Drugs of Abuse, Lange’s Basic and Clinical Pharmacology, 14th Edition, 2018, 575-589.
- KD Tripathi, Anticholinergic Drugs and Drugs Acting on Autonomic Ganglia, Essentials of Medical Pharmacology, 8th Edition, 2019,.124-135.
- P. Hanlon, M. Byers, J.P.H. Wilding, H.M. Macdonald, Environmental and nutritional factors in disease, Davidson’s Principles and Practice of Medicine, 22nd Edition, 2014, 97-132.
Disclaimer
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Author Details
Written By
Dr. Karpagam A.
Pharm D
Reviewed By
Dr. Tejashwin Adiga
MBBS
Last updated : 25 Sep 2026 | 11:16 AM (IST)
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