chemical formula a combination of symbols used to express the chemical components of a substance. empirical formula a chemical formula that expresses the proportions of the elements present in a substance.
The bacteria streptococcus pneumoniae is the most common cause of acute bacterial sinusitis. This type of bacteria can be resistant to the most common types of antibiotics at standard dosages, although there are other antibiotics that can be used to treat the condition.
Streptococcus pneumoniae and Haemophilus influenzae are the most common organisms causing bacterial bronchitis and sinus infection. Therefore, the antibiotics prescribed for bronchitis and sinus infection are similar. Thus, there is a high correlation between bronchitis and sinus infection.For some people, having a sinus infection will ultimately lead to bronchitis. So, it is important to treat any sinus infection quickly.ronchitis is a medical condition usually caused by viral or bacterial infection causing the lining of the bronchial tubes to become inflamed. Sometimes bronchitis can also be caused by irritation from prolonged exposure to airborne irritants including cigarette smoke.