<unk>  is a broad-spectrum tetracycline-class antibiotic used in the treatment of infections caused by bacteria and certain parasites. It is used to treat bacterial pneumonia, acne, chlamydia infections, Lyme disease, cholera, typhus, and syphilis. It is also used to prevent malaria in combination with quinine.<unk>  may be taken by mouth or by injection into a vein. Common side effects include diarrhea, nausea, vomiting, and an increased risk of sunburn. Use during pregnancy is not recommended.<unk>  is a broad-spectrum antibiotic, of the tetracycline class. Like other agents of the tetracycline class, it either slows or kills bacteria by inhibiting protein production. It kills malaria by targeting a plastid organelle, the apicoplast.<unk>  was patented in 1957 and came into commercial use in 1967. It is on the World Health Organization's List of Essential Medicines.<unk>  is available as a generic medicine. In 2019, it was the 90th most commonly prescribed medication in the United States, with more than 8million prescriptions.
Doxycycline
Oxytetracycline
Amikacin
Streptomycin
Eravacycline
Minocycline
Secnidazole
Sarecycline