Risperdal vs. Haldol

Are Risperdal and Haldol the Same Thing?

Risperdal (risperidone) and Haldol (haloperidol) are antipsychotic drugs prescribed to treat schizophrenia.

Risperdal is also used to treat bipolar mania and autism.

Haldol is also used to control motor (movement) and verbal (for example, Tourette's syndrome) tics and is used to treat severe behavior problems in children.

What Are Possible Side Effects of Risperdal?

Common side effects of Risperdal include:

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Tell your doctor if you experience serious side effects of Risperdal including difficulty swallowing, muscle spasms, shaking (tremor), mental/mood changes, or signs of infection (such as fever, persistent sore throat).

What Are Possible Side Effects of Haldol?

Common side effects of Haldol include:

  • nausea,
  • vomiting,
  • diarrhea,
  • dry mouth,
  • nervousness,
  • headache,
  • dizziness,
  • spinning sensation,
  • drowsiness,
  • sleep problems (insomnia),
  • restlessness,
  • anxiety,
  • skin rash,
  • itching,
  • spontaneous eye movements,
  • mood changes,
  • breast enlargement,
  • irregular menstrual periods,
  • loss of interest in sex,
  • blurred vision,
  • difficulty urinating or urinating less than usual, and
  • occasional movement disorders

Severe side effects of Haldol include:

  • death in the elderly,
  • prolongation of the QT heartbeat interval,
  • tardive dyskinesia (involuntary movements), prolonged erection (hours),
  • a symptom complex sometimes referred to as neuroleptic malignant syndrome (NMS) with fever,
  • irregular heartbeats,
  • mental status changes, and
  • renal failure

What is Risperdal?

Risperdal (risperidone) is an atypical antipsychotic prescribed to treat:

  • schizophrenia,
  • bipolar mania,
  • and autism.

What is Haldol?

Haldol (haloperidol) is an antipsychotic drug that decreases excitement in the brain. Haldol is used to treat psychotic disorders like schizophrenia, to control motor (movement) and verbal (for example, Tourette's syndrome) tics and is used to treat severe behavior problems in children. Haldol is available in generic form. Haldol is not approved for use in older adults with dementia because of increased chances of death during treatment.

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What Drugs Interact With Risperdal?

Risperdal may interact with other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety), carbamazepine, fluoxetine, paroxetine, phenytoin, phenobarbital, or rifampin.

Risperdal may also interact with cimetidine, ranitidine, clozapine, valproic acid, or medicines used to treat Parkinson's Disease.

What Drugs Interact With Haldol?

Haldol may interact with other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety), or rifampin.

Haldol may also interact with arsenic trioxide, blood thinners, lithium, tacrolimus, antibiotics, anti-malaria medications, heart rhythm medicines, medicines to prevent or treat nausea and vomiting, medicines to treat psychiatric disorders, or migraine headache medicines.

Do not stop using Haldol suddenly, or you could have unpleasant withdrawal symptoms.

How Should Risperdal Be Taken?

Risperdal dose ranges from 0.5 mg to 8mg/day.

How Should Haldol Be Taken?

Haldol is available in sterile vials containing 5 mg strength Haldol per 1 ml of fluid used for injection. Usual starting dose is 2.5-5 mg intramuscularly. Dose may vary according to patient response to the drug. Switch to an oral form of this drug is recommended as soon as possible.

Disclaimer

All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).

Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.

Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.

The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.

Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.

If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.

You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.

References

FDA. Risperdal Drug Information.
https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/020272s056,020588s044,021346s033,021444s03lbl.pdf
RxList. Haldol Side Effects Drug Center.
https://www.rxlist.com/haldol-side-effects-drug-center.htm

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