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Please read the list of warnings and precautions1 given on this page before you prescribe CHAMPIX to your patients who want to quit smoking.

Please also refer to the CHAMPIX Summary of Product Characteristics before prescribing.

  • Clinicians should be aware of the possible emergence of serious neuropsychiatric symptoms in patients attempting to quit smoking with or without treatment. 
  • If serious neuropsychiatric symptoms occur while on varenicline treatment, patients should discontinue varenicline immediately and contact a healthcare professional for re-evaluation of treatment.
  • Care should be taken with patients with a history of psychiatric illness and patients should be advised accordingly.
  • Patients should be instructed to notify their doctor of new or worsening cardiovascular symptoms and to seek immediate medical attention if they experience signs and symptoms of myocardial infarction or stroke.
  • Champix should be used cautiously in patients with a history of seizures or other conditions that potentially lower the seizure threshold
  • CHAMPIX may have minor or moderate influence on the ability to drive and use machines.
  • CHAMPIX may cause dizziness, somnolence and transient loss of consciousness, and therefore may influence the ability to drive and use machines. Patients are advised not to drive, operate complex machinery or engage in other potentially hazardous activities until it is known whether this medicinal product affects their ability to perform these activities.

1. CHAMPIX Summary of Product Characteristics

PP-CHM-GBR-2493. January 2019.


CHAMPIX warnings and precautions