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Side Effects of Haloperidol

Side Effects of Haloperidol to Report

There are a number of side effects with haloperidol that you should report immediately to your healthcare provider. These include but are not limited to:
 
  • Anxiety or depression
  • Seizures
  • Worsening of psychotic symptoms
  • Low blood pressure (hypotension) or high blood pressure (hypertension)
  • Unusual body movements
  • Muscle tension or contractions
  • Feelings of internal restlessness or jitteriness
  • High blood sugar (hyperglycemia) or low blood sugar (hypoglycemia)
  • A painful erection of the penis that does not go away (priapism)
  • Signs or symptoms of neuroleptic malignant syndrome (NMS), which can include:

 

    • A high fever
    • Stiff muscles
    • Confusion
    • An irregular pulse or blood pressure
    • An increased heart rate (tachycardia)
    • Sweating
    • An irregular heart rhythm (arrhythmia)

 

  • Signs of an allergic reaction, including an unexplained rash, hives, itching, unexplained swelling, wheezing, or difficulty breathing or swallowing.
 

A Summary of Side Effects of Haloperidol

It is possible that you may experience some or none of these haloperidol side effects explained above. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried. Therefore, make sure to let your healthcare provider know if you develop any side effects while taking haloperidol. You should also let your healthcare provider know if you develop something that "just does not seem right" during treatment with haloperidol. While it may not be a side effect of haloperidol, your healthcare provider will be able to diagnose and treat the problem.
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