From all the symptoms of a sinus infection, the most common symptom of the sinus infection is thought to be a congestion of the nose. Besides this there are many other things that can indicate that you have a sinus infection. For example a nasal phlegm that is colored green, some pain in the mouth, a headache, pain on the face and coughing are other symptoms of a sinus infection that you might have to deal with. Fever and a sore throat are also symptoms of a sinus infection, but they are less common. However, they might appear in many sinus infection cases, together with nausea.

To diagnose a sinus infection is not that hard. If the sinus infection that you have is at the beginning, doctors can very easily say if you have a sinus infection or not. However, if the symptoms of this sinus infection last for a longer period of time, then you sinus infection has evolved into a chronic sinusitis. This particular type of sinus infection can be a little more difficult to diagnose. If continual coughing is part of the symptoms that you have when suffering from a sinus infection, then the cause is because of a post nasal drip. This too can then lead to having a sore throat as another sinus infection symptom. Post nasal drip means that the mucus that is found in the back of your nose starts to drip down to the back part of your throat. If you have a headache as a symptom for sinus infection, the area that will be affected by this ache is right above the nose and between the eyes. We can safely say that the headache caused by a sinus infection is located in the cheek area. Furthermore, if you
have a sinus infection with this kind of symptom, the area where the pain is will also be very painful to even touch. A small thing, like moving your head from a side to another can agravate this pain if you have a sinus infection. The nasal phlegm that is one of the sinus infection symptoms consists of a green, sometimes yellow and thick mucus.

There are millions of people that suffer from sinus infection or have had a sinus infection at least once in their life. The reason for this many people affected by sinus infection is pollution or resistance to antibiotics.

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