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What are the side effects of paroxetine?

Serious side effects from taking paroxetine include hallucinations, shivering, sweating, confusion, abnormal reflexes, rapid heartbeat, and tremor, signs of serotonin syndrome. Call your doctor immediately if you experience any of those symptoms. The drug can also cause a potentially fatal condition called neuroleptic malignant syndrome if taken with antipsychotic medications. Symptoms may be similar to serotonin syndrome and may include fever, rigid muscles, blood pressure changes, and mental changes. In rare cases you may have an allergic reaction to the drug; call your health care provider immediately if you have trouble breathing or develop an itchy rash, hives, chest tightness, or swelling in your face and mouth.
Other severe side effects that require emergency care include:
  • changes in or bizarre behavior
  • bloody stools
  • chest pain
  • confusion
  • decreased coordination or confusion
  • odd muscle reactions
  • fainting
  • flu-like symptoms
  • irregular heartbeat
  • panic attacks
  • hostility or irritability
  • skin peeling
  • thoughts of suicide
  • a painful or persistent erection
  • restlessness
  • ringing sound in the ears
  • unusual bleeding or bruising
  • weakness
  • eye pain, changes in vision or swelling or redness in the eye
  • worsening depression or significant weight loss.
Other side effects are more common and should be brought to your doctor's attention if they bother you or persist. These include:   
  • constipation
  • anxiety
  • blurry vision
  • decreased sex drive
  • sweating
  • increased urination
  • loss of appetite or nausea
  • difficulty concentrating or sleeping
  • yawning
  • dry mouth
  • dizziness
  • numbness and tingling of the skin and upset stomach and gas. 
You can experience withdrawal symptoms if you suddenly stop taking paroxetine, including dizziness, abnormal dreams, and tingling sensations. 

 

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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.