Phenelzine: What Are The Possible Side Effects Of Phenelzine


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What are the possible side effects of phenelzine?


emt Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any new or worsening symptoms such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.

emt Stop using phenelzine and call your doctor at once if you have any of these serious side effects:
  • sudden and severe headache, rapid heartbeat, stiffness in your neck, nausea, vomiting, cold sweat, sweating, vision problems, sensitivity to light;
  • chest pain, fast or slow heart rate;
  • swelling, rapid weight gain;
  • agitation, unusual thoughts or behavior; or
  • feeling light-headed, fainting.

Less serious side effects may include:

  • dizziness;
  • feeling weak or drowsy;
  • sleep problems (insomnia);
  • constipation, upset stomach;
  • dry mouth, decreased urination; or
  • impotence, difficulty having an orgasm.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.



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Last updated: August 24, 2007

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