SSRI Litigation

Effexor Withdrawal Symptoms

Effexor® is the brand name for venlafaxine, an antidepression drug in a class referred to as selective serotonin/norepinephrine reuptake inhibitors (SNRIs). In addition to treatment for major depression, Effexor is also used in generalized anxiety treatment.1 However, if someone stops taking the drug, he or she can suffer from withdrawal symptoms.2

Symptoms of Effexor withdrawal

The symptoms of Effexor withdrawal when treatment for generalized anxiety or major depression is discontinued depends on how long you have been treated and what dose you were prescribed. Symptoms generally come on 14 to 48 hours after stopping the medication2 and occur in about 20 percent3 of patients:2,4

  • Dizziness or vertigo
  • Headache
  • Anxiety
  • Irritability
  • Agitation
  • Insomnia and other sleep-related problems, including nightmares
  • Neurological and sensory effects, such as burning, tingling, numbness, or other sensations (called paresthesias)
  • Nausea
  • Vomiting
  • Diarrhea
  • Tremor
  • Fatigue
  • Sweating
  • Worsened depression
  • Impaired coordination
  • Dry mouth
  • Dysphoria
  • Anorexia
  • Nervousness
  • Confusion

Switching to another antidepression drug can minimize the effects of withdrawal.2 But simply reducing the dosage or missing a dose of similar antidepressant drugs can result in symptoms of withdrawal.4

Effexor withdrawal lawsuit

Whether you take Effexor to treat major depression or generalized anxiety, or any of the approved or off-label uses of the drug,1 you should not stop the medication without being monitored by a doctor. If you or a loved one has been injured by Effexor withdrawal, a personal injury lawyer can review your case and determine if you are eligible to file for compensation. Though most lawsuits against Effexor maker Wyeth have dealt with birth defects,5 unexpected withdrawal symptoms (known as discontinuation syndrome) may be cause for a claim as a number of pharmaceutical companies have faced similar issues in court.6

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