Flu Causes and Treatment

Symptoms Influenza (flu) usually begins suddenly and manifests itself in the following symptoms: High fever, chills, sweating. Muscle, limb and headache Weakness, fatigue, feeling sick. Cough, usually a dry irritating cough Rhinitis, nasal congestion, sore throat Digestive disorders such as nausea, vomiting and diarrhea, mainly in children. The flu occurs mainly in the winter months. … Flu Causes and Treatment