Haloperidol (Haldol) is a member of the butyrophenone class of neuroleptic drugs used to treat psychotic disorders(eg, schizophrenia).It is a typical antipsychotic drug.

• Haloperidol is used to treat nervous, emotional, and mental conditions (eg, schizophrenia). 
• It is also used to control the tics and verbal utterances associated with Tourette's syndrome and in the management of intensely hyperexcitable children who fail to respond to other treatment modalities.
• Haloperidol is also used to treat severe behavioral problems (eg, aggressive, impulsive behavior) or hyperactivity in children who have already been treated with psychotherapy or other medicines that did not work well.

• Difficulty in swallowing
• Loss of balance control
• Muscle spasm
• Twisting of body parts
• Shaking of hands or feet
• Skin rash
• Dizziness
• Convulsions (seizures)
• Fast heartbeat
• Blurred vision
• Constipation
• Weight gain
• Tremors
• Sleepiness
• Urinary retention

• This medicine should not be used to treat behavior problems in older adult patients who have dementia.
• The risk of developing serious, irreversible side effects seems to increase with increasing cumulative doses over time.
• Use of haloperidol is associated with significant toxic side effects, the most serious of which include tardive dyskinesia which can be irreversible, extrapyramidal reactions with Parkinson-like symptoms, and neuroleptic malignant syndrome.