Do you think that it could be a bacterial, viral or fungal infection?
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After I suffered with multiple sinus infections, year after year, for
decades, I experimented with flooding my nasal passages with a mixture of
diluted 3% hydrogen peroxide, baking soda and kosher salt. In order to flood
my nasal passages and keep them flooded, I keep my forehead pointed
downward. I keep my forehead down for quite a while, hoping that the
anti-infective mixture can get to the infected area(s) within my sinuses and
nasal passages.
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It works! I have been sinus infection free for about 3 years. I think that I
had chronic infection problems with my turbinates, so flooding my nasal
passages with the anti-infective mixture worked very well, for me, since the
infected areas were fairly easy to reach.
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I have fully documented my experience and how I did it at Healthboards.com.
There are posts there by people who have tried my "upside down sinus
flooding" and have received either partial relief or feel great after
getting total relief. There are also posts there from those who it hasn't
helped, and by those who don't think that it is a good idea. I have no
connection at all with Healthboards. I use it because I consider it to be
the best facility for discussing health problems on the Internet.
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To find out more, select one of the following links:
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Here is the link to the detailed documentation of the "Upside Down Sinus
Flooding" and also discussion:
.
http://www.healthboards.com/boards/showthread.php?t=139765
.
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Here is the link to discussion about the "Upside Down Sinus Flooding" in the
Allergy Board:
.
http://www.healthboards.com/boards/showthread.php?t=129210
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Here is the link to discussion about the "Upside Down Sinus Flooding" in the
Colds/Flu Board:
.
http://www.healthboards.com/boards/showthread.php?t=124803
.
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"If you save one life, it is as though you save the world"

It sounds like you are ill with a virus infection, since you are having
chills and sweats. (Allergy can cause runny nose, but not chills and sweats.
Do you have a fever?)

There is really nothing that can be done for a viral infection. Do what
you're doing to help alleviate the symptoms. Get plenty of rest, drink
plenty of liquids, etc., etc., etc., all that stuff everyone knows. It just
has to run its course.

If the onset was sudden and it's only been lasting a few days, then it's
probably viral.  In that case, the only thing you can do is symptomatic
relief and tough it out till your immune system gets rid of it.  Keep
warm, take hot baths and inhale steam, etc.

If it lasts more than 2 weeks, then you should see a physician.