Doc_Simplifies on Instagram: "Normal body temperature ranges between 98°F–99°F and shows a natural variation of about 1.5°F during the day, being lowest in the morning and highest in the evening. Abnormal changes in body temperature are seen in different conditions such as subnormal, hypothermia, pyrexia, and hyperpyrexia. Fever itself can present in various forms like intermittent, continued, and remittent types, each with unique patterns. The rise in body temperature is caused by pyrogens—eith