What are the side effects of desvenlafaxine extended-release tablets?

Desvenlafaxine extended-release tablets may cause serious side effects including a possible severe allergic reactions marked by itchy rash, hives, breathing difficulty or swelling of the mouth, face, lips, or tongue. Seek emergency medical attention if you have any symptoms of an allergic reaction. Other severe side effects include:
  • bizarre behavior
  • blood in the stools
  • blurred vision
  • thoughts of  or attempts suicide
  • tremor
  • unusual, new, or worse agitation, anxiety, panic, restlessness, or impulsive behavior
  • chest pain
  • confusion
  • decreased coordination and concentration
  • decreased urination
  • fainting
  • fast or irregular heartbeat
  • flu-like symptoms
  • hallucinations
  • memory problems
  • seizures
  • severe or persistent cough or headache
  • dizziness
  • insomnia
  • shortness of breath and stomach pain
  • significant weight loss
  • bruising or bleeding
  • unusual or severe mental or mood changes including depression
  • eye pain, changes in vision or swelling or redness in the eye
Contact your doctor immediately if you experience any of those serious side effects. Other less serious side effects include:
  • upset stomach
  • constipation
  • fatigue
  • sleepiness
  • vomiting
  • decreased sex drive
  • headaches
  • insomnia
  • sweating
  • dry mouth and lack of appetite.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.