After approval by the FDA, patients have reported the following neuropsychiatric side effects: Agitation, Anxiety, Changes in mood, Completed Suicide, Delusions, Hallucinations, Homicidal Ideation, Hostility, Panic, Paranoia, Psychosis, Suicidal Ideation, Suicide attempt Most patients will not experience any of the above side effects, but if you do, please tell your physician or pharmacist immediately. You may need to stop taking Chantix and try a different medication for tobacco cessation. Some patients taking Chantix have reported swelling of the skin, particularly in the face, mouth, limps, and throat. Stop taking Chantix if you experience swelling after taking it. Some people have reported serious skin reactions like Stevens-Johnson Syndrome and Erythema Multiform after starting Chantix . Tell your physician if you have a history of these conditions. Fact Table Formula C13H13N3 License EU EMA Bioavailability High and unaffected by food consumption or time of day Legal status RX Only Chemical Name Varenicline Elimination half-life 24 hours Dosage (Strength) - Pregnancy Consult a doctor Brands Chantix Protein binding less than 20% PubChem CID 5310966 MedlinePlus a606024 ChEBI 84500 ATC code N07BA03 DrugBank DB01273 KEGG D08669 Routes of administration By mouth
