NHS information about the medicine doxycycline, including what it's used for, who can take it, how to take it and side effects. Doxycycline is a medication that treats bacterial infections. It doesn’t treat colds, the flu or viral infections. It’s a type of tetracycline antibiotic. Doxycycline is a broad-spectrum antibiotic that is employed in the treatment of numerous bacterial infections. 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. Doxycycline is used to treat infections caused by bacteria and certain other infections spread by ticks, lice, mites, and infected animals. Doxycyline is also used to prevent malaria and to treat acne and rosacea (a skin disease that causes redness, flushing, and pimples on the face) View doxycycline information, including dose, uses, side-effects, pregnancy, breast feeding, monitoring requirements and directions for administration. Doxycycline is a prescription generic antibiotic medication indicated for the treatment of certain infections and diseases. Learn about side effects, drug interactions, dosages, warnings, and more. Easy-to-read patient tips for doxycycline covering how it works, benefits, risks, and best practices. 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.