Which statement made by a patient who has acute pyelonephritis indicates to the nurse correct understanding of the antibiotic therapy?

"If my temperature goes above 100 for 2 days, I should take double the dose of the drug."

"I should notify the prescriber to change the medication if I develop diarrhea while taking the drug."

"Even if I feel completely well, I should take the drug exactly as prescribed until it is gone."

"If my temperature is normal for 3 days in a row, the infection is gone and I can stop taking the drug."