Which adverse effect should a nurse monitor in a patient receiving long-term phenytoin therapy?
Correct answer: A. Gingival overgrowth and poor oral hygiene
- A. Gingival overgrowth and poor oral hygiene
- B. Severe watery diarrhoea after every dose
- C. Permanent blue skin discoloration after one dose
- D. Marked hypoglycaemia immediately after meals
Explanation
Long-term phenytoin therapy may cause gingival hyperplasia, which is reduced by careful oral hygiene and regular dental care. The other effects are not characteristic routine adverse effects of phenytoin.
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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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