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When should I call the doctor if I am taking varenicline?

If you are taking varenicline (Chantix), call your doctor if you experience any of the following signs or symptoms:
  • fever or chills
  • bluish tint to the skin
  • mood swings, anxiety or nervousness
  • abnormal or suicidal thoughts
  • red skin lesions or peeling of skin
  • ulcers on the skin
  • severe acne
  • dizziness, drowsiness and an inability to concentrate              
Call 911 for:
  • a severe allergic reaction with cough, wheezing, chest constriction or skin itching
  • sudden swelling of the tongue, face, lips, throat or ear lobes

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.