1.
BY
DR.FARIYA KHAN
SEXUALLY
TRANSMITTED INFECTIONS
(STI)

2.
HISTORY
• FROM “VD” TO “STD” OR “STI”.
• Venereal comes from Venus, the goddess of love from the
Greek mythology.
• Medieval times: Syphilis and Gonorrhea two most prevalent
STDs in Europe
• 18th and 19th centuries : mercury, arsenic and sulphur was
used to treat venereal diseases often resulting in serious side
effects and many people then died of mercury poisoning.

3.
HISTORY
• First known effective treatment for syphilis Arsphenamine
was introduced in 1910.
• 20th century : Penicillin and other antibiotics led to an
effective cure of bacterial STDs.
• Late 20th century : Transmission of viral STDs such as
HIV and Herpes arose,not curable and may be fatal in
some cases.

4.
ATA GLANCE
• >340 million cases of STDs occur throughout the world
each year.
• In pregnancy untreated early syphilis causes 25%
stillbirths and 40%% perinatal mortality.
• Untreated Gonoccocal & Chlamydial infection leads to
PID (pelvic inflammatory disease) in 40%.
• 1 in 4 of these will result in infertility.

5.
AT A GLANCE
• Worldwide every year up to 4000 newborn babies
become blind due to untreated maternal gonoccocal &
chlamydial infections.
• STDs are now ranked among the top 5 diseases for which
adults seek health care services in the developing
countries.
• STDs affect men & women of all backgrounds & economic
levels. Most prevalent among teenagers & young adults.
Nearly two-thirds of all STDs occur in people younger
than 25 years of age.

6.
AT A GLANCE
• STDs range in severity from pubic lice, which usually
causes only discomfort.
• New vaccines can stop death of approx. 240,000 women
from cervical cancer each year.

7.
CLASSIFICATION OF STIs
There are many different types of sexually transmitted
infections, which can be broken down into three basic
types:
• BACTERIAL:
• Vaginitis
• Chlamydia
• Gonorrhea
• Syphilis
• Pelvic Inflammatory Disease (PID)

8.
CLASSIFICATION OF STIs
• VIRAL:
• Genital Herpes
• Human Papillomavirus (HPV) or Genital Warts
• Hepatitis B
• Hepatitis C Virus (HCV)
• Human Immunodeficiency Virus (HIV) / Acquired
Immunodeficiency Syndrome (AIDS)
• PARASITIC:
• Trichomonas

9.
ETIOLOGY

10.
ETIOLOGY
PATHOGEN DISEASE OR SYNDROME

11.
MODE OF TRANSMISSION
Sexual contact with an infected person:
• Vaginal.
• Anal.
• Oral.
• Blood to blood contact.
• Sharing needles or other drug use equipment.
• Tatoo or body piercing.
• Infected mother to her baby.

12.
IMPORTANT STIs

13.
SYPHILLIS

14.
GONORRHEA

15.
AIDS