Overview

Influenza, also referred to as the flu, is an infectious respiratory disease caused by influenza viruses. It can vary in severity and is distinguished by an abrupt onset of symptoms. The flu poses a substantial public health issue, resulting in a considerable number of hospitalizations and fatalities annually.

Symptoms

• Fever: High fever is a common early symptom of the flu, often exceeding 100.4°F (38°C).
• Chills: Shivering and feeling unusually cold, especially when you have a fever.
• Cough: A dry or productive cough is a common flu symptom.
• Sore Throat: A painful or scratchy throat, which may be accompanied by hoarseness.
• Runny or Stuffy Nose: Congestion or nasal discharge is often present.
• Muscle Aches: Severe muscle pain, often in the back and legs.
• Fatigue: Profound tiredness and weakness.
• Headache: Intense headaches are a frequent flu symptom.
• Body aches: Generalized body aches and joint pain.
• Weakness: Feeling drained and lethargic.
• Shortness of Breath: In some cases, the flu can lead to shortness of breath, especially in individuals with underlying health conditions.
• Gastrointestinal Symptoms: Nausea, vomiting, and diarrhea may occur, particularly in children.

Treatment

• Over-The-Counter Medications
• Vaccination
• Lifestyle Modifications