Haloperidol Side Effects by Likelihood and Severity

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormal Movements Of Face Muscles And Tongue
  • Decrease In Thirst
  • Hallucination
  • Rash

If experienced, these tend to have a Less Severe expression

  • Constipation
  • Drowsiness
  • Dry Mouth
  • Feel Like Throwing Up
  • Inability To Have An Erection
  • Problems With Eyesight
  • Sun-Sensitive Skin
  • Throwing Up

RARE side effects


If experienced, these tend to have a Severe expression

  • A Feeling Of Restlessness With Inability To Sit Still
  • A Spasm Of The Larynx
  • Blood Pressure Drop Upon Standing
  • Bronchospasm
  • Cataracts
  • Continued Painful Erection
  • Decreased Neutrophils A Type Of White Blood Cell
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • Disease Of The Retina Of The Eye
  • Extrapyramidal Reaction
  • Falling
  • Fast Heartbeat
  • Heart Ventricle Rhythm Problem
  • High Blood Pressure
  • Liver Problems
  • Low Amount Of Sodium In The Blood
  • Neuroleptic Malignant Syndrome
  • Prolonged QT Interval On EKG
  • Seizures
  • Sunstroke
  • Very Rapid Heartbeat - Torsades De Pointes
  • Yellowing Of Skin Or Eyes From Liver Problems

If experienced, these tend to have a Less Severe expression

  • Abnormally Low Blood Pressure
  • Breast Tenderness
  • Cannot Empty Bladder
  • Chronic Trouble Sleeping
  • Confused
  • Depression
  • Diarrhea
  • Discharge Of Milk In Men Or Women When Not Breastfeeding
  • Discolored Spots And Small Elevations Of The Skin
  • Enlarged Breasts
  • Excessive Sweating
  • Extreme Sense Of Well Being
  • Feeling Agitated
  • Fever
  • Hair Loss
  • Head Pain
  • Indigestion
  • Irregular Periods
  • Loss Of Appetite
  • Muscle Problems That Cause Abnormal Movement
  • Nervous
  • Sensation Of Spinning Or Whirling
  • Skin Rash Resembling Acne
  • Sluggishness

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.