More cases of sexually transmitted disease is caused by Chlamydia trachomatis than any other bacterial pathogen1, making it a large public health concern. Over 1 million cases of chlamydial genital infections were reported in the United States in 20062; with direct medical costs associated with STDs in the United States estimated to be $14.7 billion annually in 20063.

    C. trachomatis is a bacterium which lead to chlamydial genital infections. It is most commonly spread through sexual intercourse and other intimate contact among genitals, the rectal area and the mouth. In both men and women, infection is commonly asymptomatic. Non-gonoccocal urethritis is commonly seen in men while women may suffer more long term complications from C. trachomatis infection - long-term consequences include chronic pain, ectopic pregnancy and infertility. Infants born to mother with genital tract infections frequently develop chlamydial eye infection and possibly pneumonia.

    Doctors treat chlamydia with prescription antibiotics such as azithromycin (Zithromax), doxycycline or erythromycin4. Your sexual partner or partners also need treatment even though they may not have signs or symptoms. Otherwise, the infection can be passed back and forth. It is possible to be reinfected with chlamydia.

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1. World Health Organization, 2007
3. HW Chesson, JM Blandford, TL Gift, G Tao, KL Irwin. The estimated direct medical cost of STDs among American youth, 2000. 2004 National STD Prevention Conference. Philadelphia, PA. March 8–11, 2004. Abstract P075