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Is 99.1 a fever in adults?

GeneralClass 12AllAnswered 27 Mar 2026
Answer

99.1°F (37.3°C) is borderline it's slightly above the traditional normal of 98.6°F but within the normal variation range for many people. A fever is typically defined as 100.4°F (38°C) or higher. If you consistently measure 99.1°F with symptoms like fatigue or aches, monitor it, but this alone doesn't confirm illness.

General · Class 12