Doxycycline belongs to the tetracycline group and acts as a bacteriostatic agent against a wide
range of both Gram-positive and Gram-negative bacteria. This includes species like Bordetella,
Campylobacter, E. coli, Haemophilus, Pasteurella, Salmonella, Staphylococcus, and Streptococcus
spp. It also demonstrates effectiveness against Chlamydia, Mycoplasma, and Rickettsia spp.