Champix, known generically as varenicline, is a medication used to help people quit smoking. It is a prescription medication that works by blocking the nicotine receptors in the brain, reducing the pleasure and satisfaction derived from smoking. Medicine is intended to be used as part of a comprehensive smoking cessation program that may include counseling and behavioral support.

Drug Name: Champix

Active Ingredient: Varenicline

Champix tablets



Form: Tablet

Type: Generic

Prescription Required: Rx

Availability: In Stock

Champix comes in the form of tablets that are taken orally. The treatment typically consists of two phases:

  1. Starting Phase: During the first week of treatment, a lower dose of Champix is taken. This allows the body to adjust to the medication gradually.
  2. Maintenance Phase: From the second week onward, a higher dose of Champix is taken. This phase continues for several weeks, usually up to 12 weeks, depending on individual response.

How to use

To use Champix (varenicline) effectively, follow these general instructions:

  1. Set a Quit Date: Choose a specific date to stop smoking. This will be your Quit Date, and you should start taking Champix about one to two weeks before this date.
  2. Follow the Prescribed Dosage: Take Champix orally as directed. Usually, the starting dose is one tablet (0.5 mg) once daily for the first three days. From day four onwards, the dosage is increased to one tablet (0.5 mg) twice daily. Follow the prescribed schedule carefully.
  3. Take with Water: Swallow the tablet whole with a full glass of water. You can take it with or without food, whichever you prefer.
  4. Stay Hydrated: Drink plenty of fluids while taking Champix to stay hydrated.
  5. Stick to the Schedule: Take medicine at the same time(s) every day to maintain a consistent level of medication in your system.
  6. Complete the Treatment Course: Continue taking Champix for the recommended duration, usually up to 12 weeks. Completing the full course increases the chances of successful smoking cessation.
  7. Behavioral Support: Alongside Varenicline, consider seeking behavioral support or counseling to enhance your chances of quitting smoking successfully.


The dosage of Champix typically follows a specific schedule. Here is a general guideline for the dosage:

Starting Phase:

  • Days 1 to 3: Take one white Champix 0.5 mg tablet once daily.

Maintenance Phase:

  • Day 4 to the end of treatment: Take one white Champix 0.5 mg tablet twice daily (morning and evening).

The treatment duration with Champix is usually up to 12 weeks.

Side effects

Champix may cause certain side effects in some individuals. While not everyone experiences these side effects, it's important to be aware of them. Common side effects can include:

  1. Nausea: Feeling queasy or experiencing an upset stomach is a common side effect of Champix. Taking the medication with food may help alleviate this symptom.
  2. Headache: Some individuals may experience mild to moderate headaches while taking Champix. Drinking plenty of water and getting enough rest may help ease this side effect.
  3. Abnormal Dreams: Varenicline can sometimes cause vivid or abnormal dreams. These dreams are generally not harmful but may be unsettling for some individuals.
  4. Sleep Disturbances: Medicine may affect sleep patterns for some people, leading to insomnia or changes in sleep quality.
  5. Changes in Taste: Some individuals may notice alterations in taste perception, such as a metallic taste in the mouth or changes in food preferences. These changes are typically temporary and resolve after treatment.
  6. Dry Mouth: A dry sensation in the mouth can occur as a side effect of Champix. Staying hydrated by drinking water or sucking on sugar-free candies may help alleviate this symptom.
  7. Fatigue: Feeling tired or experiencing fatigue can occasionally occur while taking Champix. It's important to listen to your body and get enough rest during this time.


When it comes to storing Champix, it's important to follow the recommended guidelines to ensure the medication remains safe and effective. Here are some general storage instructions:

  1. Store at Room Temperature: Keep medicine at room temperature, typically between 20°C to 25°C (68°F to 77°F).
  2. Protect from Moisture: Store Champix in its original packaging or container to protect it from moisture. Avoid storing it in areas such as the bathroom or kitchen where humidity levels can be higher.
  3. Keep Away from Direct Sunlight: Store Champix in a cool, dry place away from direct sunlight. Exposure to sunlight and excessive heat can degrade the medication.
  4. Safely Store Out of Reach: Keep tablets out of the reach of children and pets to prevent accidental ingestion.
  5. Follow Proper Disposal: If you have any expired or unused tablets, consult your pharmacist or local waste disposal authorities for guidance on proper disposal methods.

Always check the specific storage instructions on the medication packaging or consult your pharmacist for any additional recommendations specific to the Varenicline product you have.

By following these storage guidelines, you can help ensure the quality and effectiveness of Champix throughout its shelf life.


In case of an overdose of Champix, it is important to seek immediate medical attention or contact your local poison control center. An overdose may occur if you accidentally take more than the prescribed dosage or if someone, especially a child, ingests the medication.

The symptoms of an overdose of Champix may vary depending on the amount taken and individual sensitivity. It is essential to be aware of the signs of an overdose, which may include:

  1. Nausea and vomiting
  2. Stomach pain or discomfort
  3. Changes in heart rate
  4. Dizziness or lightheadedness
  5. Seizures or convulsions (rare but serious)

If you suspect an overdose, do not delay seeking medical assistance.

It is important to store Champix securely and out of reach of children to prevent accidental ingestion.

Please note that this information is provided for general knowledge and should not replace immediate medical attention in case of an overdose.

Missed Doses

If you happen to miss a dose of Champix, follow these general guidelines:

  1. If it's within a few hours of the missed dose: Take the missed dose as soon as you remember. Then continue with the regular dosing schedule.
  2. If it's close to the time of your next scheduled dose: Skip the missed dose and continue with the regular dosing schedule. Do not double up on doses to make up for the missed one.

It's important to remember that maintaining a consistent medication schedule is crucial for the effectiveness of Varenicline. To help you remember to take your doses, consider setting reminders, using a pill organizer, or incorporating Champix into your daily routine.

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