Before taking Champix (varenicline) 0.5mg, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using Champix (varenicline) 0.5mg, tell your doctor or pharmacist your medical history, especially of: kidney disease (especially kidney dialysis), mental/mood disorders, heart/blood vessel disease (such as coronary artery disease, peripheral vascular disease).
Champix (varenicline) 0.5mg may make you drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Kidney function declines as you grow older. Champix (varenicline) 0.5mg is removed by the kidneys. Therefore, elderly people may be at a greater risk for nausea and other side effects while using Champix (varenicline) 0.5mg.
During pregnancy, Champix (varenicline) 0.5mg should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if Champix (varenicline) 0.5mg passes into breast milk. Consult your doctor before breast-feeding.
Store at room temperature at 77 degrees F (25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Read the Medication Guide provided by your pharmacist before you start taking Champix (varenicline) 0.5mg and each time you get a refill. If you have any questions, consult your doctor or pharmacist. There are two ways to use Champix (varenicline) 0.5mg to help you quit smoking. The first way is to set a date to quit smoking before beginning treatment with Champix (varenicline) 0.5mg. Begin taking Champix (varenicline) 0.5mg as directed by your doctor, 1 week before the quit date. When you first start taking Champix (varenicline) 0.5mg, take one 0.5-milligram tablet once a day for 3 days, then increase to one 0.5-milligram tablet twice a day for 4 days. The dose is slowly increased to lessen the chance of side effects (such as nausea, unusual dreams). During this first week, it is okay to smoke. Stop smoking on the quit date and begin taking the dose prescribed by your doctor twice a day for the rest of the 12-week treatment period. The second way to use Champix (varenicline) 0.5mg is to start taking the drug before you choose a date to quit smoking. Start with the 0.5-milligram tablets and increase the dose as directed by your doctor. Pick a date to quit smoking that is between days 8 and 35 of treatment. Stop smoking on the chosen quit date. No matter which way you use Champix (varenicline) 0.5mg, always follow your doctor's directions carefully.
If Champix (varenicline) 0.5mg comes in a dosing package, carefully follow the directions on the dosing package. There are two types of dosing packs, a starting pack and a continuing pack, each containing different strengths of Champix (varenicline) 0.5mg. If Champix (varenicline) 0.5mg comes in a bottle, carefully follow your doctor's directions on the prescription label. If you have any questions about how to take Champix (varenicline) 0.5mg, talk to your doctor or pharmacist.
Take Champix (varenicline) 0.5mg by mouth after food and with a full glass of water.
Dosage of Champix (varenicline) 0.5mg is based on your medical condition and response to therapy.
Do not increase your dose or take Champix (varenicline) 0.5mg more often than prescribed. Your condition will not improve any faster, and the risk of serious side effects may be increased. Do not take more than 1 milligram twice a day.
Use Champix (varenicline) 0.5mg regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.
Inform your doctor if you continue to smoke after a few weeks of treatment.
If you are successful and cigarette-free after 12 weeks of treatment, your doctor may recommend another 12 weeks of treatment with Champix (varenicline) 0.5mg.
See also Warning section.
Nausea, headache, vomiting, drowsiness, gas, constipation, trouble sleeping, unusual dreams, or changes in taste may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed Champix (varenicline) 0.5mg because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using Champix (varenicline) 0.5mg do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: burning feeling in feet/toes, unusual pain in the legs when walking.
Get medical help right away if you have any very serious side effects, including: chest/jaw/left arm pain.
A very serious allergic reaction to Champix (varenicline) 0.5mg is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Click here to view a more detailed list of Champix side effects.
If you miss a dose of Champix (varenicline) 0.5mg, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.
Before using Champix (varenicline) 0.5mg, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: nicotine replacement therapy (e.g., patch, gum, nasal spray).
Smoking can affect the way your body removes certain drugs. When you stop smoking, your doses of these drugs may need to be adjusted by your doctor. Tell your doctor if you take any of the following medications. Some of the drugs that smoking may affect, among others, are: "blood thinners" (e.g., warfarin), insulin, theophylline.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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