How Long Does the Flu Last?
1/7/2025
Brought to you by Lakeside Physicians Express Care in Granbury
The flu, caused by the influenza virus, is a common respiratory illness that affects millions annually. The duration of the flu can vary depending on factors like age, overall health, and the specific strain of the virus. Here's an overview of how long the flu typically lasts and what to expect during recovery.
Typical Duration
For most people, the flu lasts about 5 to 7 days. Symptoms often begin abruptly, usually within 1 to 4 days of exposure to the virus. The most intense symptoms—such as fever, chills, muscle aches, and fatigue—typically occur within the first 2 to 3 days and may subside by the end of the first week.
Symptom Progression:
- Day 1–3: Symptoms begin suddenly, often with fever, chills, sore throat, muscle aches, and fatigue.
- Day 4–7: Fever and body aches usually improve, but respiratory symptoms like coughing and nasal congestion may persist.
- After 7 Days: Most people start feeling better, though fatigue and coughing can linger for 1 to 2 weeks.
Recovery Variations
- Children and Older Adults: These groups may experience symptoms longer or more severely due to weaker immune systems.
- Complications: Secondary infections, such as sinusitis, pneumonia, or ear infections, can prolong illness.
When to Seek Medical Attention
If symptoms worsen after initial improvement or persist beyond 10 days, or if severe symptoms like difficulty breathing, chest pain, or confusion occur, seek medical care immediately.
While the flu is typically self-limiting and resolves within a week, some symptoms, like fatigue, may persist longer. Practicing good hygiene, staying hydrated, and resting are key to recovery. For individuals at higher risk of complications, flu vaccines and antiviral medications can help shorten the duration and reduce severity.
Lakeside Physicians Express Care in Granbury, located across the road from HEB, is open everyday from 8 a.m. - 8 p.m. For more information or to schedule an appointment, please call (817) 573-1380 or save your spot in line by visiting https://lakegranburymedical.com/SaveYourSpot.
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