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â¢ Sinus infection involves the sinus cavities of the skull, whereas the cold only involves the mucous membranes. â¢ Sinus infection is mainly due to bacterial, whereas the cold is due to viral agents. â¢ The headache in sinus infection is much heavier than in the cold, with the heaviness aggravating when bending forward.
The small opening from the sinuses to the nose can become blocked, which leads to a build-up of pressure inside the sinuses. This is known as sinusitis. For some people with sinusitis, the pressure builds up to such an extent that it causes pain, or a sinus headache. You may feel stuffy and congested for a while, but it normally gets better once the cold goes away. Sinusitis and sinus headaches can last much longer.