Risperdal vs. Latuda

Are Risperdal and Latuda the Same Thing?

Risperdal (risperidone) and Latuda (lurasidone hydrochloride) are antipsychotic drugs prescribed to treat schizophrenia.

Risperdal is also used to treat bipolar mania and autism.

What Are Possible Side Effects of Risperdal?

Common side effects of Risperdal include:

  • extrapyramidal effects (sudden, often jerky, involuntary motions of the head, neck, arms, body, or eyes),
  • dizziness,
  • tiredness,
  • drowsiness,
  • fatigue,
  • fever,
  • weight gain,
  • feeling hot or cold,
  • headache,
  • dry mouth,
  • increased appetite,
  • restlessness,
  • anxiety,
  • sleep problems (insomnia),
  • nausea,
  • vomiting,
  • stomach pain,
  • constipation,
  • cough,
  • sore throat,
  • runny or stuffy nose,
  • or skin rash.

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 Latuda?

Common side effects of Latuda include:

  • drowsiness,
  • dizziness,
  • nausea,
  • diarrhea,
  • stomach pain,
  • loss of appetite,
  • shaking,
  • muscle stiffness,
  • weight gain,
  • mask-like facial expression,
  • inability to keep still,
  • restlessness,
  • agitation,
  • blurred vision,
  • breast swelling or discharge,
  • missed menstrual periods,
  • decreased sex drive,
  • impotence, or
  • difficulty having an orgasm.

What is Risperdal?

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

  • schizophrenia,
  • bipolar mania,
  • and autism.

What is Latuda?

Latuda is a prescription medicine used to treat:

  • schizophrenia in people 13 years of age or older
  • depressive episodes associated with bipolar I disorder, alone or with lithium or valproate in adults

It is not known if Latuda is safe and effective in people under 13 years of age.

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 Latuda?

Avoid eating grapefruit or drinking grapefruit juice while you take Latuda since these can affect the amount of Latuda in the blood. Do not drive, operate machinery, or do other dangerous activities until you know how Latuda affects you. Latuda may make you drowsy.

Latuda 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), bosentan, conivaptan, dexamethasone, imatinib, isoniazid, St. John's wort, antibiotics, antifungal medications, antidepressants, heart or blood pressure medications, HIV/AIDS medicines, medicines to treat narcolepsy, or seizure medications.

How Should Risperdal Be Taken?

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

How Should Latuda Be Taken?

Take Latuda exactly as prescribed.

  • Take Latuda exactly as your healthcare provider tells you to take it. Do not change the dose yourself.
  • Take Latuda by mouth, with food (at least 350 calories).
  • If you take too much Latuda, call your healthcare provider or poison control center at 1-800-222-1222 right away, or go to the nearest hospital emergency room.

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References

FDA. Risperdal Drug Information.
https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/020272s056,020588s044,021346s033,021444s03lbl.pdf
FDA. Latuda Drug Information.
http://www.latuda.com/

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