Indication: 1. This product is used as an alternative to penicillin-allergic patients to treat the following infections: acute tonsillitis, acute pharyngitis, sinusitis caused by hemolytic streptococci, pneumococci, etc.; scarlet fever and cellulitis caused by hemolytic streptococci; diphtheria and diphtheria carriers; gas gangrene, anthrax, tetanus; actinomycosis; syphilis; listeriosis, etc. 2. Legionnaires' disease. 3. Mycoplasma pneumonia. 4. Chlamydia pneumoniae pneumonia. 5. Urinary and reproductive system infections caused by other chlamydia and mycoplasma. 6. Chlamydia trachomatis conjunctivitis. 7. Gonorrhea infection. 8. Oral infection caused by anaerobic bacteria. 9. Campylobacter jejuni enteritis. 10. Whooping cough. 11. Preventive medication for recurrent rheumatic fever, infective endocarditis (after rheumatic heart disease, congenital heart disease, heart valve replacement surgery), oral and upper respiratory tract medical operations (alternative to penicillin).

Indication: It is suitable for the following infections caused by sensitive bacteria: upper respiratory tract infections such as otitis media, sinusitis, pharyngitis, tonsillitis, and lower respiratory tract infections such as bronchitis and pneumonia. Skin and soft tissue infections. Simple genital infections caused by Chlamydia trachomatis. Simple genital infections caused by non-multi-drug resistant gonococci (co-infection with Treponema pallidum must be excluded).

Indication: Infections caused by sensitive bacteria, such as tonsillitis, pharyngitis, bacterial pneumonia, mycoplasma pneumonia, stomatitis, Legionnaires' disease, diphtheria, whooping cough, scarlet fever, erythrasma, erysipelas, gonorrhea, early syphilis, chancroid, urethritis, Campylobacter enteritis, amoebic enteritis, etc.

Indication: 1. This product can be used as one of the drugs for the following diseases: (1) Rickettsial diseases, such as epidemic typhus, endemic typhus, Rocky Mountain fever, scrub typhus and Q fever. (2) Mycoplasma infection. (3) Chlamydia infection, including psittacosis, venereal disease, lymphoedema, nonspecific urethritis, salpingitis, cervicitis and trachoma. (4) Relapsing fever. (5) Brucellosis. (6) Cholera. (7) Tularemia. (8) Plague. (9) Chancroid. It should be used in combination with aminoglycosides to treat brucellosis and plague. 2. Due to the serious resistance of common pathogens to tetracyclines, this product is only indicated when the pathogens are sensitive to it. Most Staphylococci are resistant to this product. 3. This product can be used to treat tetanus and necrotic abscesses in patients who are allergic to penicillins.

Indication: 1 This product can be used as one of the drugs for the following diseases: (1) Rickettsial diseases, such as epidemic typhus, endemic typhus, Rocky Mountain fever, scrub typhus and Q fever; (2) Mycoplasma infection; (3) Chlamydia infection, including psittacosis, venereal disease, lymphoedema, nonspecific urethritis, salpingitis, cervicitis and trachoma; (4) relapsing fever; (5) brucellosis; (6) cholera; (7) tularemia; (8) plague; (9) chancroid. It should be used in combination with aminoglycosides to treat brucellosis and plague. 2 Since the common pathogens are currently sensitive to tetracycline

Indication: 1. This product can be used as one of the drugs for the following diseases: (1) Rickettsial diseases, such as epidemic typhus, endemic typhus, Rocky Mountain fever, scrub typhus and Q fever. (2) Mycoplasma infection. (3) Chlamydia infection, including psittacosis, venereal disease, lymphoedema, nonspecific urethritis, salpingitis, cervicitis and trachoma. (4) Relapsing fever. (5) Brucellosis. (7) Tularemia. (8) Plague. (9) Chancroid. It should be used in combination with aminoglycosides to treat brucellosis and plague. 2. Due to the serious resistance of common pathogens to tetracyclines, this product is only indicated when the pathogens are sensitive to it. Most Staphylococci are resistant to this product. 3. This product can be used for tetanus, gas gangrene, yaws, syphilis, gonorrhea, etc. in patients who are allergic to penicillins.