Neuropsychiatric features are the side effects of –
**Core Concept**
Neuropsychiatric side effects are a well-documented consequence of certain medications, particularly those affecting the neurotransmitter systems in the brain. These side effects can manifest as mood changes, cognitive impairment, or even psychosis, highlighting the importance of monitoring patients on these medications.
**Why the Correct Answer is Right**
The correct answer is related to the blockade of dopamine D2 receptors in the mesolimbic pathway, which is responsible for the regulation of mood and motivation. This blockade can lead to the development of neuropsychiatric side effects such as psychosis, hallucinations, and mood disturbances. Medications that are known to cause these side effects include antipsychotics, metoclopramide, and certain antiemetics.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specifically relate to neuropsychiatric side effects. While it may have other side effects, it is not primarily known for causing neuropsychiatric symptoms.
**Option B:** This option is incorrect because it is not a medication commonly associated with neuropsychiatric side effects. It may have other side effects, but it is not a primary concern for causing neuropsychiatric symptoms.
**Option C:** This option is incorrect because it is not a medication that is known to cause neuropsychiatric side effects. While it may have other side effects, it is not a primary concern for causing neuropsychiatric symptoms.
**Clinical Pearl / High-Yield Fact**
When prescribing medications that can cause neuropsychiatric side effects, it is essential to monitor patients closely for signs of mood changes, cognitive impairment, or psychosis. This includes regular follow-up appointments and careful dose titration to minimize the risk of these side effects.
**Correct Answer: C.**
Metoclopramide is a medication that can cause neuropsychiatric side effects due to its blockade of dopamine D2 receptors in the mesolimbic pathway.