Treatment is typically with metronidazole, doxycycline, minocycline, or tetracycline. Treatment options include oral azithromycin and topical tetracycline. Antibiotics such as tetracycline or erythromycin may also be prescribed. Treatment is with penicillin, tetracycline, or doxycycline. Doxycycline, like other tetracycline antibiotics, is bacteriostatic. These include clindamycin, anisomycin, cycloheximide, chloramphenicol, tetracycline, streptomycin, erythromycin, and puromycin. In animals, antibiotics such as tetracycline or doxycycline can be used. Other antibiotics proven to be effective include cotrimoxazole, erythromycin, tetracycline, chloramphenicol, and furazolidone. In those who have a severe penicillin allergy, doxycycline or tetracycline may be used. The antibiotics often used are streptomycin, chloramphenicol and tetracycline. Tetracycline, Chloramphenicol, and doxycycline are commonly used. Doxycycline is a broad-spectrum antibiotic, of the tetracycline class. If treatment is necessary during pregnancy, levofloxacin, ofloxacin, tetracycline, and doxycycline are not prescribed. It is generally less preferred than the tetracycline doxycycline. These genes provide resistance to aminoglycosides, aminocyclitols, tetracycline, and chloramphenicol.