is a common sexually transmitted disease (STD) caused by the
trachomatis, which can
damage a woman's reproductive organs. Chlamydia also can
cause discharge from the penis of an infected
is known as a "silent" disease because about three quarters of
infected women and about half of infected men have no symptoms.
If symptoms do occur, they usually appear within 1 to 3 weeks
can be transmitted during vaginal, anal, or oral sex. Chlamydia
can also be passed from an infected mother to her baby during
sexually active person can be infected with
can be easily treated and cured with antibiotics. A single dose
of azithromycin or a week of doxycycline (twice daily) are the
most commonly used treatments. HIV-positive persons with
chlamydia should receive the same treatment as those who are
untreated, chlamydial infections can progress to serious
reproductive and other health problems with both short-term and
long-term consequences. Like the disease itself, the damage
that chlamydia causes is often "silent."
genital chlamydial infection can cause arthritis that can be
accompanied by skin lesions and inflammation of the eye and
urethra (Reiter's syndrome).