While most people confuse flu and cold with each other, both are common upper airways conditions. For a layman, the differentiation of both is difficult. Early flu recognition and treatment can avoid further complications. While common cold is a mild self-limiting condition. Flu starts suddenly with a fever that can last 3 to 4 days. It is mostly accompanied by chills, body aches, headache, and fatigue. This fever and accompanying symptoms are rare or slight in common cold and gradual to begin with. On the other hand allergic manifestations like a runny nose, sneezing, nasal stuffiness and sore throat etc. are more predominant in common cold.
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