Doxycycline Monohydrate package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Know what Doxycycline Monohydrate is used for, how to take it, and which side effects to expect when starting it. Doxycycline monohydrate treats a range of bacterial infections. Learn how it works, its side effects, and how to take it safely. Monodox (doxycycline monohydrate) is a tetracycline antibiotic used to treat many different bacterial infections, such as urinary tract infections, acne, gonorrhea, and chlamydia, periodontitis (gum disease), and others. Doxycycline, doxycycline monohydrate and doxycycline hyclate are yellow, crystalline powders with a bitter taste. The latter smells faintly of ethanol, a 1% aqueous solution has a pH of 2–3, and the specific rotation is −110° cm 3 /dm·g in 0.01 N methanolic hydrochloric acid. Learn about doxycycline monohydrate usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Doxycycline hyclate and doxycycline monohydrate are different forms of the same antibiotic. But is one better? Read about the differences in side effects and more. Doxycycline is used for bacterial infections, including acne, rosacea, urinary and respiratory tract infections, eye infections, gum disease, gonorrhea, chlamydia, and syphilis. Doxycycline can also be used to prevent malaria and treat infections caused by mites, ticks, or lice. Doxycycline is an antibiotic that is commonly used to prevent malaria, improve tooth attachment and reduce gum pockets in people who have a dental procedure called scaling and root planing for. 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.