NCLEX-RN

Category - Pharmacological

Manna is a female patient who is taking an oral antifungal drug, terbinafine (Lamisil), for treatment of onychomycosis. She called the clinic one morning because of abdominal discomfort and diarrhea. The nurse should instruct her to:
  1. Take the drug with a full stomach.
  2. Seek immediate treatment in the hospital.
  3. Stay calm and monitor for progression of pain and diarrhea.
  4. Drink lots of water to prevent dehydration.
Explanation
Answer: D - Abdominal discomfort and diarrhea are common side effects of terbinafine. The drug should be taken on an empty stomach for optimal absorption. In order to prevent dehydration, the patient should replenish her body fluids with water or juice. In rare cases, skin reactions and hepatotoxicity occurs, in which case immediate treatment is needed.
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