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What Causes Fever Without Infection?

January 24, 2024 by Diane Mitchell

What Causes Fever Without Infection? Rare causes of unexplained fevers include (but are not limited to) taking certain medications, adrenal disease, hematomas, hyperthyroidism, pulmonary emboli , and previously undetected thrombophlebitis. Despite extensive investigation, the cause of the fever is not identified in 5-15% of people with FUOs. Can you have a fever without an infection?

Does Fever Always Mean Infection?

January 24, 2024 by Diane Mitchell

Does Fever Always Mean Infection? Does fever always mean infection? A fever may be the first or only sign of infection. But some infections may not present with fever and it could be another symptom. Contact your 24 hour advice line immediately if you’ve had cancer treatment recently and think you might have an infection.