Doxycycline 100mg

Forms and dosages

Doxycycline is administered orally once or twice daily with a full glass of water. According to the prescribing information, the usual adult dose is 100mg twice daily on the first day, then 100mg once or twice daily depending on the indication. Lower doses are used for chronic indications such as acne or rosacea. Patients should remain upright for at least 30 minutes after dosing to prevent oesophageal irritation.

Indications

Doxycycline is approved in adults and children over 8 years for the treatment of respiratory tract infections, sexually transmitted infections including Chlamydia trachomatis urethritis and pelvic inflammatory disease, acne, rosacea, periodontitis, Lyme disease, anaplasmosis, Rocky Mountain spotted fever, brucellosis, malaria prophylaxis and treatment, leptospirosis and as part of doxy-PEP regimens for prevention of bacterial sexually transmitted infections in selected populations. According to international guidelines, it is one of the most versatile oral antibiotics.