Ague vs Rigor: Key Differences in Medical Terminology
Ague is the older medical term for chills and fever, especially in malaria. Rigor, in this context, describes the intense shivering that accompanies a sudden fever spike. People confuse them because both describe shaking with fever, and “rigor” also means stiffness elsewhere. In everyday talk, “ague” sounds archaic, so “rigor” feels safer even when “ague”…