Chantix side effects - from FDA reports


In this review, we analyze Chantix side effects by the time on the drug, gender and age of the people who have side effects while taking Chantix. The review is based on 79,346 people who have side effects while taking the drug from FDA, and is updated regularly.

How to use this study: bring a copy to your health teams to ensure drug risks and benefits are fully discussed and understood.


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Chantix

Chantix has active ingredients of varenicline tartrate. It is often used in quit smoking. (latest outcomes from Chantix 81,345 users)


On Mar, 12, 2019

79,346 people who take Chantix are studied.


Number of reports submitted per year:

Chantix side effects.

Most common side effects over time *:

< 1 month:
  • Insomnia (sleeplessness)
  • Malaise (a feeling of general discomfort or uneasiness)
  • Weight decreased
  • Anxiety
  • Rash
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Headache (pain in head)
  • Sleep disorder
  • Drug ineffective
1 - 6 months:
  • Suicidal ideation
  • Depression
  • Suicide attempt
  • Nausea (feeling of having an urge to vomit)
  • Weight increased
  • Anxiety
  • Vomiting
  • Aggression
  • Abnormal dreams
  • Insomnia (sleeplessness)
6 - 12 months:
  • Depression
  • Anxiety
  • Suicidal ideation
  • Suicide attempt
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Completed suicide (act of taking one's own life)
  • Aggression
  • Abnormal dreams
  • Weight increased
1 - 2 years:
  • Anxiety
  • Suicide attempt
  • Depression
  • Suicidal ideation
  • Intentional overdose
  • Aggression
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Abnormal dreams
  • Weight increased
2 - 5 years:
  • Suicide attempt
  • Anxiety
  • Depression
  • Suicidal ideation
  • Completed suicide (act of taking one's own life)
  • Abnormal dreams
  • Aggression
  • Agitation (state of anxiety or nervous excitement)
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
5 - 10 years:
  • Suicidal ideation
  • Haemorrhage intracranial (bleeding within the skull)
  • Abnormal dreams
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Peripheral arterial occlusive disease (reproducible ischemic muscle pain)
  • Restless legs syndrome (a powerful urge to move your legs)
  • Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints)
10+ years:
  • Intentional overdose
  • Memory impairment
  • Mood swings (an extreme or rapid change in mood)
  • Tremor (trembling or shaking movements in one or more parts of your body)
not specified:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Drug ineffective
  • Abnormal dreams
  • Depression
  • Suicidal ideation
  • Weight increased
  • Insomnia (sleeplessness)
  • Nightmare (unpleasant dream)
  • Malaise (a feeling of general discomfort or uneasiness)

Most common side effects by gender *:

female:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Suicidal ideation
  • Weight increased
  • Drug ineffective
  • Depression
  • Abnormal dreams
  • Insomnia (sleeplessness)
  • Anxiety
  • Nightmare (unpleasant dream)
male:
  • Nausea (feeling of having an urge to vomit)
  • Drug ineffective
  • Aggression
  • Completed suicide (act of taking one's own life)
  • Sleep disorder
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Weight increased
  • Malaise (a feeling of general discomfort or uneasiness)
  • Feeling abnormal
  • Rash

Most common side effects by age *:

0-1:
  • Death
  • Depression
  • Foetal exposure during pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect)
  • Nervousness
  • Self injurious behaviour
  • Thinking abnormal
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Type 2 diabetes mellitus
2-9:
  • Weight decreased
  • Accidental exposure
  • Palpitations (feelings or sensations that your heart is pounding or racing)
  • Panic attack
  • Presyncope
  • Psychotic disorder
  • Stress fracture (fracture of a bone caused by repeated (rather than sudden) mechanical stress)
10-19:
  • Vomiting
  • Nausea (feeling of having an urge to vomit)
  • Suicide attempt
  • Mood swings (an extreme or rapid change in mood)
  • Depression
  • Abnormal dreams
  • Intentional overdose
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Suicidal ideation
  • Anxiety
20-29:
  • Suicidal ideation
  • Suicide attempt
  • Depression
  • Anxiety
  • Aggression
  • Abnormal dreams
  • Nightmare (unpleasant dream)
  • Insomnia (sleeplessness)
  • Completed suicide (act of taking one's own life)
  • Drug ineffective
30-39:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Suicidal ideation
  • Depression
  • Suicide attempt
  • Anxiety
  • Abnormal dreams
  • Insomnia (sleeplessness)
  • Drug ineffective
  • Aggression
40-49:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Suicidal ideation
  • Depression
  • Weight increased
  • Suicide attempt
  • Anxiety
  • Drug ineffective
  • Abnormal dreams
  • Insomnia (sleeplessness)
50-59:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Drug ineffective
  • Weight increased
  • Suicidal ideation
  • Abnormal dreams
  • Depression
  • Anxiety
  • Insomnia (sleeplessness)
  • Nightmare (unpleasant dream)
60+:
  • Nausea (feeling of having an urge to vomit)
  • Vomiting
  • Drug ineffective
  • Weight increased
  • Insomnia (sleeplessness)
  • Abnormal dreams
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Nightmare (unpleasant dream)
  • Malaise (a feeling of general discomfort or uneasiness)
  • Suicidal ideation

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

You are not alone:

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All Chantix side effects from A to Z

a b c d e f g h i j k l m n o p q r s t u v w x y z

On eHealthMe, Chantix (varenicline tartrate) is often used to treat quit smoking. Find out below the conditions the drugs are used for and how effective they are.

What is the drug used for and how effecitve is it:


Recent updates

Recent general studies
Recent personal studies

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

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