Anti allergic astihistamines are the medications used to treat rhinitis and allergies. These are suitable for different types of allergies, such as runny nose, sneezing, itchy eyes/nose, cough with mucus/cough due to smoking etc. Anti allergic astihistamines consists of composition of various drugs like terbutaline, ambroxol, menthol,  guaiphenesin which helps to cure different lung problems like asthma, bronchitis, emphysema and pulmonary disease. It is recommended not to use these drugs without doctors prescription. These drugs are available in different forms like tablet and  syrup. The tablets are blistered packaged, while the syrups are packaged in bottles.