A patient is prescribed phenobarbital as an anticonvulsant. Which teaching point is most important?
Correct answer: A. Avoid alcohol and other sedatives unless approved
- A. Avoid alcohol and other sedatives unless approved
- B. Stop the drug once seizures have been absent for one week
- C. Take extra tablets whenever mild anxiety occurs
- D. Expect the drug to improve alertness during the day
Explanation
Phenobarbital causes central nervous system depression, and alcohol or other sedatives can produce dangerous excessive sedation and respiratory depression. Anticonvulsants should not be stopped abruptly, and phenobarbital is not prescribed as a daytime alertness medicine.
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About Analgesics and CNS Drugs
This area covers opioid and non-opioid analgesics, local anaesthetics, sedatives, anxiolytics, antidepressants, antipsychotics, antiepileptics and drugs for Parkinsonism. It examines therapeutic actions, dependence, respiratory depression, extrapyramidal effects, serotonin related toxicity and the distinction between pain relief, sedation and loss of consciousness.
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