Differential Diagnosis for 52 yo Female with Fever, Chills, and Body Aches
- Single Most Likely Diagnosis
- Influenza: This is a common cause of fever, chills, and body aches, especially during flu season. The symptoms presented are classic for influenza, making it the most likely diagnosis.
- Other Likely Diagnoses
- Urinary Tract Infection (UTI): While UTIs often present with additional symptoms like dysuria or frequency, some cases can be more systemic, especially in older adults, presenting with fever, chills, and body aches.
- Pneumonia: Community-acquired pneumonia can present with fever, chills, and body aches, and while cough is a common symptom, it's not universally present.
- Viral Gastroenteritis: Although typically associated with gastrointestinal symptoms, some viral gastroenteritis cases can have a more systemic presentation with fever, chills, and body aches.
- Do Not Miss Diagnoses
- Sepsis: This is a life-threatening condition that can present with non-specific symptoms such as fever, chills, and body aches. Early recognition and treatment are crucial.
- Meningitis: Although classically associated with symptoms like headache and stiff neck, meningitis can occasionally present more subtly, especially in older adults or those with compromised immune systems.
- Endocarditis: Infective endocarditis can have a varied presentation, including fever, chills, and body aches, and is critical to diagnose early due to its high morbidity and mortality.
- Rare Diagnoses
- Brucellosis: A zoonotic infection that can present with non-specific symptoms like fever, chills, and body aches. It's rare but should be considered in individuals with exposure to animals or their products.
- Lymphoma: Certain types of lymphoma can present with systemic symptoms such as fever, chills, and body aches, known as B symptoms.
- Connective Tissue Diseases (e.g., Lupus, Rheumatoid Arthritis): These can have a wide range of presentations, including systemic symptoms like fever, chills, and body aches, especially during flare-ups.