Flu Symptoms
Flu usually begins with high fever , fatigue, joint pain and headaches in acute. Sometimes it may prolong to weeks with irritating cough . In the whole duration the body immune system becomes weak and thus more susceptible to other infections.
The typical course of influenza is:
• Often sudden onset
• High fever (often higher than 39 ° C) and chills
• Muscle and joint pain
• Headache
• Fatigue, tiredness and weakness
• Sore throat and difficulty swallowing
• Dry cough, often with mucus
• Burning eyes and light sensitivity
• uncommon symptom: nausea
The flu is like the common cold and symptoms are also similar but the causes of the diseases are different. Flu symptoms are usually faster and as compared to common cold flu.
Flu Symptoms in Children and Old People:
For young healthy people who have no additional disorders, flu does not cause any complication. While on the other hand children, elderly people with underlying medical conditions and patients with immune deficiency are at greater risk for various, sometimes severe complications. By a secondary infection with bacteria and other viruses can cause the following diseases:
• Pneumonia
• Inflammation of the sinuses and the ear
• Heart muscle inflammation (myocarditis)
• Brain, skin and brain inflammation
• Inflammation of the nervous system
For the people above, these complications can be deadly threat. For these persons preventive vaccination for flu is recommended.