What are the symptoms of H1N1 (swine flu) in humans and what is the typical duration of Swine Flu Symptoms?
It is important that you learn the symptoms of the H1N1 (swine flu) virus so you can easily recognize it in yourself and others.
You should note that Swine flu symptoms develop 3 to 5 days after you are exposed to the virus. Therefore, if you think you have been exposed this is the approximate duration of time to start looking for the H1N1 Swine Flu symptoms.
It is important to have a working thermometer at home, as an increase in temperature is a key swine flu symptom.
Symptoms of H1N1 flu infection in humans are similar to classic flu-like symptoms, which might include:
Fever above 100.4 °F
Cough
Sore throat
Runny or stuffy nose
Headache
Chills
Muscle aches and fatigue
Diarrhea
Vomiting
You may ask about the definition of a fever:
Fever is the temporary increase in the body’s temperature, in response to some disease or illness.
A child has a fever when their temperature is at or above one of these levels:
100.4 °F (38 °C) measured in the bottom (rectally)
99.5 °F(37.5 °C) measured in their mouth (orally)
99 °F (37.2 °C) measured under their arm (axillary)
An adult probably has a fever when their temperature is above 99 – 99.5 °F (37.2 – 37.5 °C), depending on what time of the day it is.
To date, the vast majority of H1N1 (swine flu) cases have been mild, with symptoms similar to those of the seasonal flu. Only a small percentage of people have had more serious symptoms and required professional medical attention.
Again all of the major health agencies stress that, for the vast majority of people, H1N1 swine flu is a mild illness. They say that most people recover by staying in bed, drinking plenty of water and taking over-the-counter flu medication. The duration of swine flu symptoms has been approximately 1 week or less.
This seems to contradict the use of an antiviral drug such as Tamiflu, which can help reduce the symptoms and duration of the infection. It is believed that Tamiflu is most effective if you start the medication within the first 48 hours after the onset of symptoms. If you lay in bed treating H1N1 as a mild illness, two days and the effectiveness of antiviral medication can easily pass.
Patients are considered contagious for up to a week after the onset of symptoms but children may be contagious for longer periods of time. Patients with mild fever plus cough / sore throat with or without body ache, headache, diarrhea and vomiting will probably have a shorter contagious period.
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