It contains oxytetracycline (an antibiotic which reaches the source of the infection). It attacks Gram positive and Gram negative germs, rickettsiae, myco plasmas, spirochetes and actinomyces. ATOXYN-F is recommended for the treatment of animals that present anaplasmosis. Its administration is recommended as a treatment in cases of: septice mia, pneumonia and metritis. If applied as an intermammary infusion, it acts more effectively against mastitis.