Benzathine penicillin is usually around $30-120, as the exact price varies from brand to brand and manufacturer to manufacturer. Benzathine penicillin is indicated for the prevention of recurrence of rheumatic fever, and can also be used to control the prevalence of streptococcal infections and so on. Adverse reactions such as rash and secondary infections may occur after use of the drug, and the drug needs to be stopped in time to seek medical attention. The safety of children is not clear, nursing women should suspend breastfeeding, patients with asthma, eczema, urticaria and other allergic diseases should follow the doctor’s advice to use this product with caution. The use of this drug is prohibited for those who are allergic to this drug or the ingredients in the formula, or who are allergic to penicillin. The above drug prices are for reference only, affecting the price of the drug for a number of reasons, will be affected by different regions, different manufacturers, sales locations and other aspects, it is recommended to consult the local hospital in detail.