Doxycycline is an antibiotic medication that belongs to the class of tetracycline antibiotics
. It works by preventing the growth and spread of bacteria, and is used to treat a variety of bacterial infections caused by certain types of bacteria
. It is also used to prevent malaria and treat infections caused by mites, ticks, or lice
. Additionally, it is used to treat or prevent anthrax, plague, and tularemia, which are serious infections that may be spread on purpose as part of a bioterror attack
. Doxycycline is available in different forms such as capsules, tablets, and delayed-release tablets
. It is important to follow the directions on the prescription label carefully and take doxycycline exactly as directed
. Common side effects of doxycycline include headaches, feeling sick or being sick, and skin sensitivity to the sun
