Indication: Mild or moderate respiratory tract infections caused by β-hemolytic streptococci and pneumococci. Hemophilic influenza. Mild or moderate lower respiratory tract infections caused by β-hemolytic streptococci and pneumococci. Respiratory tract infections caused by Mycoplasma pneumoniae. Whooping cough caused by Bordetella pertussis: Erythromycin can effectively eliminate the whooping cough bacteria in the throat of patients. Clinical studies have shown that erythromycin can prevent susceptible people from being infected with whooping cough. Diphtheria: Diphtheria is caused by the toxin produced by Bordetella diphtheriae. Erythromycin can prevent susceptible people from becoming diphtheria carriers or eradicate the bacteria in carriers. Erythrasma caused by Corynebacterium microti. Intestinal amoeba caused by Entamoeba histolytica. Mononucleosis caused by Listeria. Mild and moderate infections of the skin and soft tissues caused by Streptococcus pyogenes and Staphylococcus aureus.

Indication: It is mainly used for tonsillitis, pneumonia, scarlet fever, diphtheria and carriers, gonorrhea and other infections caused by G-sensitive bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, and other Streptococci; it can also be used for upper respiratory tract infections (such as ear, nose, throat infections, etc.) caused by influenza bacilli, skin and soft tissue infections caused by Staphylococcus aureus, syphilis, intestinal amebiasis, etc. This product can be used as the first choice drug for Legionnaires' disease, mycoplasma pneumonia, etc.

Indication: 1. Herpes simplex virus infection: used for initial and recurrent cases of genital herpes virus infection. For recurrent cases, this product can be taken orally for prevention. 2. Herpes zoster: used for the treatment of herpes zoster in immunocompetents and mild cases in immunocompromised individuals. 3. Treatment of varicella in immunocompromised individuals.