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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On eHealthMe you can find out what patients like me (same gender, age) reported their drugs and conditions on FDA since 1977. Our original studies have been referenced on 400+ peer-reviewed medical publications, including: The Lancet, and Mayo Clinic Proceedings.


Effexor

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


On Mar, 28, 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
  • Weight decreased
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Nausea (feeling of having an urge to vomit)
  • Vision blurred
  • Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time)
  • Weight increased
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
  • Suicide attempt
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)
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Suicidal ideation
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Hepatic enzyme increased
  • Premature baby
  • Vertigo
  • Vision blurred
1 - 2 years:
  • Vertigo
  • 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)
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Tinnitus (a ringing in the ears)
  • Vision blurred
  • Visual disturbance
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Nausea (feeling of having an urge to vomit)
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
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Nausea (feeling of having an urge to vomit)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Vertigo
  • Suicide attempt
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
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)
  • Suicidal ideation
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Vomiting
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Weight increased
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Tinnitus (a ringing in the ears)
  • Nausea (feeling of having an urge to vomit)
  • Thinking abnormal
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)
  • Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  • Nausea (feeling of having an urge to vomit)
  • Vertigo
  • Activities of daily living impaired
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Feeling abnormal
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.

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Effexor side effects from FDA and eHealthMe reports

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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.

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

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