Pharmacology Define sustained fever? A Fever is persistent and does not vary by more than 0.5degC/day B Fever is persistent and varies by more than 0.5degC/day. C Fever is persistent and does not vary by more than 1degC/day D fever is persistent and varies by more than 1degC/day. 💡 Explanation Define sustained fever? ✓ Correct Answer: A. Fever is persistent and does not vary by more than 0.5degC/day