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. NHS information about the medicine doxycycline, including what it's used for, who can take it, how to take it and side effects. 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 monohydrate 100 mg is a widely prescribed oral antibiotic in the tetracycline family, used to treat infections ranging from acne and respiratory illness to tick-borne diseases, sexually transmitted infections, and malaria prevention. Typical adult dosing: Adult treatment for infections usually starts with 200 mg on the first day, followed by 100 mg daily for 7 to 10 days. Administration rules: Take doxycycline with a full. Detailed Doxycycline dosage information for adults and children. Includes dosages for Bacterial Infection, Urinary Tract Infection, Acne and more; plus renal, liver and dialysis adjustments. Doxycycline 100mg Capsules - Patient Information Leaflet (PIL) by Sovereign Medical 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 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 100 mg is one of the most commonly prescribed antibiotics. Learn what it treats, how to take it, side effects to watch for, and how to save on the cost.