Sinus Infection. Sinusitis Signs and Symptoms

Long lasting cold. It is well-known especially among the younger generation, is not it? First, the cold comes, after some time the cold causes sinus infection. Still the patients are convinced that all they have is just a cold until the symptoms will last for too long. That is why if one notice that some cold markers last for more than a week and nothing is changing despite medical treatment, the patient must have a sinus infection.