Nowadays there are many advertisements for pills that treat sinus infection and many people have come to think that all their headaches are caused by a sinus infection. This is very untrue, because there are many differences between a sinus infection headache and a headache caused by other problems.
When you have a sinus infection, one of the symptoms will surely be a headache. However, this headache that is caracteristic for sinusitis, which is a sinus infection, only happens while you are awake. The headaches that you might experience during the night are rarely, if ever, caused by a sinus infection. However, if there is any change in the pressure of the atmosphere or in the temperature, a sinus infection may appear together with a headache. To better understand this, here are some examples. If you are in an airplane, where there is a change in pressure, this is a good enough reason to suffer from a headache that was caused by your sinus, even if you do not suffer from any sinus infection. There are people that say that their headaches caused by the sinus appear when the whether changes. Those people do not necessarily have a very bad sinus infection. When you suffer from a headache or a pressure in your face that can be associated with a sinus infection, then there are some more symptoms that come along. A nasal blockage is almost always found in sinus infection problems. For this symptom of a sinus infection there are special nose sprays that you can buy from the pharmacy, no prescription needed.
There are a lot of factors that can cause a sinus infection. The most common reason why one can develop a sinus infection is because an upper respiratory problem. This has caused the person to have a swelling or a blockage in his/ her nose. As a result, your sinus may be affected, leading to a sinus infection. Sinusitis, which is a sinus infection, can be at first caused by a viral infection of the sinus. However, after a few days, this sinus infect on can become a bacterial infection. If this is the case, then you will experience pus in your nose. People that suffer from sinus infections on a regular bases can also have one or even more conditions that make them susceptible to sinus infection. There causes that add up to sinus infection risk are a deviated septum, polyps or allergies.
You can visit http://www.sinus-infection-guide.com or http://www.sinus-infection-guide.com/sinus-infection-symptoms.htm for more sinus infection symptoms information.