Effexor side effects - from FDA reports


In this review, we analyze Effexor side effects by the time on the drug, gender and age of the people who have side effects while taking Effexor. The review is based on 69,087 people who have side effects while taking the drug from FDA, and is updated regularly.

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Effexor

Effexor has active ingredients of venlafaxine hydrochloride. It is often used in depression. (latest outcomes from Effexor 75,059 users)


On Aug, 02, 2018

69,087 people who take Effexor are studied.


Number of reports submitted per year:

Effexor side effects.

Most common side effects over time *:

< 1 month:
  • Suicide attempt
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Vomiting
  • Suicidal ideation
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time)
  • Vision blurred
  • Tachycardia (a heart rate that exceeds the range of 100 beats/min)
1 - 6 months:
  • Suicidal ideation
  • Weight decreased
  • Weight increased
  • Vomiting
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Vision blurred
  • Tinnitus (a ringing in the ears)
  • Vertigo
  • Somnolence (a state of near-sleep, a strong desire for sleep)
6 - 12 months:
  • Weight increased
  • Vomiting
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Suicidal ideation
  • Hepatic enzyme increased
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Premature baby
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Vertigo
  • Weight decreased
1 - 2 years:
  • Suicidal ideation
  • Vertigo
  • Weight increased
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Tinnitus (a ringing in the ears)
  • Vision blurred
  • Visual disturbance
  • Suicide attempt
  • Tremor (trembling or shaking movements in one or more parts of your body)
2 - 5 years:
  • Weight increased
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Vomiting
  • Suicidal ideation
  • Nausea (feeling of having an urge to vomit)
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Vertigo
  • Suicide attempt
  • Weight decreased
5 - 10 years:
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Weight increased
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Suicidal ideation
  • Vomiting
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Tinnitus (a ringing in the ears)
  • Breast cancer female
  • Bipolar disorder (mood disorder)
  • Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
10+ years:
  • Drug ineffective
  • Suicidal ideation
  • Weight increased
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Vertigo
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Feeling abnormal
  • Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition)
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
not specified:
  • Weight increased
  • Vomiting
  • Weight decreased
  • Drug ineffective
  • Nausea (feeling of having an urge to vomit)
  • Suicidal ideation
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Drug hypersensitivity
  • Suicide attempt
  • Somnolence (a state of near-sleep, a strong desire for sleep)

Most common side effects by gender *:

female:
  • Weight increased
  • Vomiting
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Drug ineffective
  • Suicidal ideation
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Drug hypersensitivity
  • Suicide attempt
  • Malaise (a feeling of general discomfort or uneasiness)
male:
  • Weight increased
  • Suicidal ideation
  • Weight decreased
  • Vomiting
  • Drug ineffective
  • Suicide attempt
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Nausea (feeling of having an urge to vomit)

Most common side effects by age *:

0-1:
  • Premature baby
  • Tremor neonatal (excited neuromuscular activity of newborns)
  • Drug exposure during pregnancy
  • Maternal drugs affecting foetus (chemical affecting the baby before birth taken by mother)
  • Sudden infant death syndrome
  • Acute lymphocytic leukaemia (cancer of the white blood cells)
  • Maternal exposure during pregnancy (use of substance during pregnancy)
  • Upper limb fracture
  • Ventricular septal defect (a hole in the heart, is a common heart defect that's present at birth (congenital))
  • Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
2-9:
  • Weight increased
  • Weight decreased
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Psychomotor skills impaired
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Suicidal ideation
  • Tic (a sudden, repetitive, nonrhythmic motor movement or vocalization involving discrete muscle groups)
  • Agitation (state of anxiety or nervous excitement)
  • Apathy
  • Autism (a mental condition, present from early childhood, characterized by difficulty in communicating and forming relationships with other people and in using language and abstract concepts)
10-19:
  • Suicidal ideation
  • Suicide attempt
  • Weight increased
  • Vomiting
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Weight decreased
  • Completed suicide (act of taking one's own life)
  • Nausea (feeling of having an urge to vomit)
  • Thinking abnormal
  • Grand mal convulsion (a type of generalized seizure that affects the entire brain)
20-29:
  • Suicidal ideation
  • Weight increased
  • Vomiting
  • Suicide attempt
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
30-39:
  • Weight increased
  • Vomiting
  • Suicide attempt
  • Suicidal ideation
  • Nausea (feeling of having an urge to vomit)
  • Weight decreased
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  • Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
  • Drug ineffective
40-49:
  • Weight increased
  • Vomiting
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Suicidal ideation
  • Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  • Suicide attempt
  • Drug ineffective
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Type 2 diabetes mellitus
50-59:
  • Weight increased
  • Vomiting
  • Weight decreased
  • Drug ineffective
  • Nausea (feeling of having an urge to vomit)
  • Drug hypersensitivity
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Suicidal ideation
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Vision blurred
60+:
  • Weight decreased
  • Vomiting
  • Weight increased
  • Drug ineffective
  • Nausea (feeling of having an urge to vomit)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Drug hypersensitivity
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Urinary tract infection
  • Pain

* Approximation only. Some reports may have incomplete information.

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

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Do you have side effects when taking Effexor? Share you experience to help people like you.

Want to find out more about the FDA reports used in the study? You can request them from FDA.

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On eHealthMe, Effexor (venlafaxine hydrochloride) is often used to treat depression. Find out below the conditions the drugs are used for and how effective they are.

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