Most sinus headaches begin during a cold as a result of congestion, so you may also have a blocked nose, sore throat, yellow or green nasal discharge, a mild temperature, or just feel tired and unwell.
Sinus congestion (sinusitis) is caused by a virus such as a cold or the flu. Occasionally it is caused by an allergy like hayfever or another health problem with the nasal passages, such as a tumor or a structural deformity.
If you have cold symptoms, your doctor will be more likely to diagnose a sinus headache rather than a migraine or a tension headache.
Antibiotics May Not Be Effective at Treating Sinusitis!
Antibiotics aren’t always effective at treating sinusitis, the root cause of a sinus headache, because most cases of sinusitis are caused by a virus and viruses don’t respond to antibiotics. However, sometimes retained nasal mucus leads to bacterial infection.
https://www.empowher.com/headache/content/sinus-headaches
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Migraine headaches are often misdiagnosed as sinus headaches and therefore not treated correctly. The migraine condition puts pressure on the sinus cavity and it feels like a sinus problem. You can learn more on my blog at http://tuliv.blogspot.com/2009/12/sinus-headache-or-migraine.html
October 11, 2011 - 7:43amLyle
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