Doxycycline Hydrochloride Capsules IP are antibiotics that have ability to treat bacterial pneumonia, acne, syphilis, and early Lyme disease. Active compound present in these capsules has molecular formula C22H25ClN2O8 with molar mass of 480.898 g/mol. They are known to work by inhibiting bacterial protein synthesis by binding to 30S subunit of ribosome. These capsules show complete 100% bioavailability with protein binding ability of about 90%. Doxycycline Hydrochloride Capsules IP gets metabolized in liver with elimination half life of about 15 to 25 hours.