An outpatient client taking paroxetine states he started taking St. John's Wort. The client calls the nurse with complaints of a high fever, muscle stiffness, and sweating. The nurse should advise the client to

The correct answer is B: contact the primary care provider immediately. The symptoms described by the client (high fever, muscle stiffness, and sweating) are indicative of a potential serious condition known as serotonin syndrome, which can occur when St. John's Wort is combined with paroxetine. The primary care provider needs to be notified immediately to assess the client's condition and provide appropriate medical intervention.

Choice A is incorrect because using a heating pad will not address the underlying issue of serotonin syndrome. Choice C is incorrect as it suggests a specialist evaluation for symptoms that require immediate attention. Choice D is incorrect as it does not address the urgency of the situation and may delay necessary medical treatment.