answer:When you have the flu you will most likely have high fever, a lot of headaches, severe aches and pains. You may experience weakness and fatigue for up to three weeks. Usually you’ll experience very painful chesty coughs. The flu can lead to Sinusitis, bronchitis, ear infection, pneumonia and can be life-threatening. Whereas the common cold is mostly a mild fever, occasional headaches, slight aches, stuffy nose, sneezing and sore throats. This website will give you some more insight to the differences between a cold and a flu.