An inmate is receiving directly observed therapy (DOT) for latent tuberculosis infection (LTBI) with isoniazid. After 2 months, he reports right upper quadrant pain, nausea, and fatigue. What is the priority nursing action?
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A
Reassure the patient and continue treatment
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B
Hold isoniazid and notify the provider for liver function testing
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C
Switch to rifampin without provider consultation
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D
Administer acetaminophen for symptom management