NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What adverse effects are associated with higher doses of Risperidone?

  1. Decreased libido

  2. Increased prolactin and EPS

  3. Nausea

  4. Constipation

The correct answer is: Increased prolactin and EPS

Risperidone is an antipsychotic medication commonly used to treat conditions such as schizophrenia and bipolar disorder. While it can be an effective treatment, it is important to closely monitor the dosage as higher doses may lead to adverse effects. In this case, the correct answer is increased prolactin and EPS. Prolactin is a hormone that can cause breast enlargement and milk production in both males and females. EPS refers to extrapyramidal symptoms, which include movements such as tremors and rigidity. It is important to note that while options A, C, and D may seem like potential adverse effects of risperidone, they are not specifically associated with higher doses and can occur at any dose level.

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