A nurse in an emergency department is assessing a client who has been taking haloperidol for 3 months. The client has a temperature of 39.5* C (103.4° F), blood pressure of 150/110 mm Hg, and muscle rigidity. Which of the following complications should the nurse suspect?

A. Hold the injection if seizure activity is present:

This is incorrect. Phenytoin is an antiepileptic medication used to prevent seizures. If a client with a seizure disorder is experiencing seizure activity, it is essential to administer phenytoin promptly to help control and prevent further seizures.

B. Administer the medication at 100 mg/min:

This is incorrect. Phenytoin should be administered at a rate no faster than 50 mg/min to reduce the risk of adverse effects such as hypotension, arrhythmias, and cardiovascular collapse. Rapid infusion can cause adverse reactions such as hypotension, bradycardia, and cardiac arrhythmias.

C. Dilute the medication with dextrose 5% in water:

This is incorrect. Phenytoin should not be diluted with dextrose-containing solutions, as it can cause precipitation and result in clogging of the IV line. It is typically administered undiluted or diluted with normal saline solution.

D. Administer a saline solution after injection:

This is the correct action. After administering phenytoin IV, it is recommended to flush the IV line with normal saline solution to ensure that the medication is fully delivered and to prevent any remaining medication from precipitating in the IV line, which could lead to occlusion.

Answer: (B, C, D, E)

Rationale:

A) Damp dressing: A damp dressing around the IV site is typically indicative of a leaking IV or infiltration, where fluid escapes from the vein into the surrounding tissue. This finding is not directly related to phlebitis, which is inflammation of the vein.

B) Warmth at insertion site: Warmth at the insertion site is a common sign of phlebitis. The inflammation of the vein causes increased blood flow to the area, leading to localized warmth. This symptom is a key indicator that the IV site may be irritated or infected.

C) Streak formation: Streak formation, often seen as a red line running along the vein above the IV site, is a classic sign of phlebitis. It indicates inflammation and irritation spreading along the vein, which can occur due to the presence of the IV catheter.

D) Throbbing: Throbbing pain or discomfort at the IV site is another sign of phlebitis. The inflammation of the vein can cause pain that may be constant or increase with movement or palpation, indicating irritation or potential damage to the vessel.

E) Erythema: Erythema, or redness at the IV site, is a hallmark sign of phlebitis. The inflammation results in redness around the insertion area, which may spread along the vein, further indicating the presence of irritation or infection at the site.