Doxycycline is a tetracycline antibiotic that inhibits bacterial growth and is thought to have anti-inflammatory effects. Doxycycline is used for bacterial infections, including acne, rosacea, urinary and respiratory tract infections, eye infections, gum disease, gonorrhea, chlamydia, and syphilis. Know what Doxycycline Hyclate is used for, how to take it, and which side effects to expect when starting it. Doxycycline is used to treat bacterial infections in many different parts of the body. It is also used to treat pimples and abscesses (usually on the face) that are caused by rosacea, also known as acne rosacea or adult acne. Doxycycline has been shown to be active against most isolates of the following microorganisms, both in vitro and in clinical infections as described in the INDICATIONS AND USAGE section of the. Learn about doxycycline hyclate usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Find patient medical information for Doxycycline on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Doxycycline Hyclate package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Most people will get 100 mg tablets of doxycycline hyclate if they have potentially been exposed to anthrax. You need these items to make doses of doxycycline for those who can't swallow pills: Read on to learn about the common and rare side effects of doxycycline and how to manage them. NHS information about the medicine doxycycline, including what it's used for, who can take it, how to take it and side effects.