There are many manufacturers of Clarithromycin and many dosage forms of the drug, generally there is no uniform price, the market reference price usually ranges from 2.5~85 RMB. The common dosage forms of Clarithromycin are tablets, capsules, granules and dry suspension, with specifications of 0.25g, 0.05g, 0.125g, etc. The prices of different dosage forms and specifications will be different, and patients can go to the regular healthcare institutions to inquire about the price in advance. Clarithromycin is usually used to treat bronchitis, pneumonia, sinusitis, folliculitis, cellulitis and other infectious diseases. Adverse reactions such as insomnia, taste disorders, headache and vomiting may occur after use; it is contraindicated in patients who are allergic to macrolide antibiotics, hypokalemia and so on. It is recommended that patients use the drug strictly under the guidance of a physician, and if it is necessary to use with other drugs at the same time, you can consult a physician in advance.