Final answer:
Side effects of phenytoin (Dilantin) related to the list include ataxia, sedation, and bleeding gums. These symptoms should be monitored in patients with closed head injuries receiving this medication.
Step-by-step explanation:
The side effects related to the medication phenytoin (Dilantin), which is used as an anticonvulsant, may include several symptoms. From the provided list, the following would indicate that the client is experiencing side effects from phenytoin: Ataxia (loss of control of body movements), Sedation (feeling drowsy or sleepy), and Bleeding gums. These side effects are common with the use of phenytoin. Other side effects of phenytoin not listed might include nystagmus (involuntary eye movement), diplopia (double vision), and cognitive changes. Patients with closed head injuries are managed with anticonvulsant medications like phenytoin to reduce the risk of seizures and improve long-term prognosis. It is essential to monitor patients for these side effects to ensure appropriate management and adjustment of therapy if required.