CHANTIX Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

    Sorry, we have no data available. Please contact your doctor or pharmacist.

    If experienced, these tend to have a Less Severe expression i

    • constipation
    • difficulty sleeping
    • headache
    • nausea
    • vomiting
    • gas
    • abnormal dreams

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

    • angina, a type of chest pain

    If experienced, these tend to have a Less Severe expression i

    • nightmares
    • a common cold
    • dry mouth
    • gastroesophageal reflux disease
    • indigestion
    • itching
    • drowsiness
    • low energy
    • excessive sweating
    • a skin rash
    • decreased appetite
    • increased hunger
    • low energy and weakness
    • runny nose
    • generalized weakness
    • a feeling of general discomfort called malaise
    • intense abdominal pain

    RARE side effects

    If experienced, these tend to have a Severe expression i

    • diabetes
    • anemia
    • mental problems from taking the drug
    • manic behavior
    • suicidal behavior
    • suicidal thoughts
    • thoughts of hurting or killing others
    • high blood pressure
    • a heart attack
    • abnormal heart rhythm
    • a transient ischemic attack, a type of stroke that lasts only a few minutes
    • a stroke
    • a blood clot
    • acute inflammation of the pancreas
    • erythema multiforme, a type of allergic skin reaction
    • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
    • unconsciousness
    • seizures
    • abnormal liver function tests
    • a type of allergic reaction called angioedema
    • a hypersensitivity reaction to a drug
    • problems metabolizing alcohol
    • an accidental injury

    If experienced, these tend to have a Less Severe expression i

    • altered interest in having sexual intercourse
    • a change in vision
    • ringing in the ears
    • peripheral vascular disease
    • inflammation of the nose due to an allergy
    • a toothache
    • the inability to have an erection
    • a problem with menstrual periods
    • increased sensitivity of the skin to the sun
    • a type of skin condition with redness and itching called eczema
    • psoriasis
    • acne
    • dry skin
    • joint pain
    • backache
    • muscle pain
    • cramps
    • sensation of spinning or whirling
    • dizziness
    • a sleep disorder
    • flu-like symptoms
    • taste impairment
    • visible water retention
    • temporary redness of face and neck
    • weight gain
    • nosebleed
    • heart throbbing or pounding
    • swollen lymph nodes
    • diarrhea
    • an increased need to urinate often
    • excess urination
    • urination during the night
    • sleepwalking
    • anxious feelings
    • drug-induced hot flashes

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    Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

    CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.