Read on to learn about the common and rare side effects of doxycycline and how to manage them. Doxycycline is a broad-spectrum antibiotic that is employed in the treatment of numerous bacterial infections. 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 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 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 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. Learn about the side effects of doxycycline, from common to rare, for consumers and healthcare professionals. Typical adult doses range from 100 mg once or twice daily, with adjustments for children and special conditions. It is important to follow prescribed dosing schedules to avoid resistance and side effects. 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. Doxycycline 100mg Capsules - Patient Information Leaflet (PIL) by Sovereign Medical.