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Sexually Transmitted Infections and HIV/AIDS


Sexually Transmitted Infections and HIV/AIDS Chapter 25 Lessons One and Two Common STI s and Risks Pgs 648-56 – PowerPoint PPT presentation

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Title: Sexually Transmitted Infections and HIV/AIDS

Sexually Transmitted Infections and HIV/AIDS
  • Chapter 25
  • Lessons One and Two
  • Common STIs and Risks
  • Pgs 648-56

STIs and STDs
  • STIs and STDs are infectious diseases spread
    through sexual contact
  • STI is the abbreviation for sexually transmitted
  • STD is the abbreviation for sexually transmitted
  • A person can have an infection and pass it to
    others without necessarily having the disease

The Hidden Epidemic
  • Epidemics are occurrences of diseases in which
    many people in the same place at the same time
    are affected
  • STDs are the most common communicable diseases in
    the U.S.
  • 65 million people in the U.S. are living with an
    incurable STD

The Hidden Epidemic
  • Many people with STDs are asyptomatic or without
    symptoms. They infect others unknowingly
  • Even when STDs are diagnosed, they may not be
    reported to health departments to notify people

High Risk Behavior and STDsTeens make up 25 of
new STD cases each year
  • Being sexually active with more than one person
  • Having unprotected sex
  • Selecting high-risk partners
  • Using alcohol and other drugs

The Consequences of STDs
  • Some STDs are incurable and can remain in the
    body for life
  • Some STDs cause cancer (liver cancer or cervical
  • Some STDs can affect the ability to reproduce by
    damaging reproductive organs
  • Some STDs can be passed from an infected female
    to her child before, during, or after birth

The Importance and Benefits of Abstinence
  • Cause and Effect Sexual activity is the cause
    and an STD is the effect
  • Abstinence is the deliberate decision to avoid
    harmful behaviors including sexual activity
    before marriage
  • Use refusal skills and choose friends who also
    support abstinence

Human Papillomavirus (HPV)
  • HPV can cause genital warts or asymptomatic
  • It is the most common STD in the U.S.
  • CDC estimates that 50-75 of sexually active
    people will acquire HPV sometime in their lives
  • There is no treatment
  • HPV can cause cancer of the cervix, penis, and

Genital Warts
  • Pink or reddish cauliflowerlike tops that appear
    on the genitals, vagina, or cervix 1-3 months
    after HPV
  • Highly contagious and are spread by any form of
    sexual contact
  • Treatment can get rid of the warts, but not the
  • Infants born to mothers with HPV can develop the
    warts in the throat which obstruct breathing

  • Chlamydia is a bacterial infection that affects
    the reproductive organs
  • 40 of cases are reported in teens 15 to 19 years
  • There are no visible symptoms in 75 of females
    and 50 of males
  • When symptoms are present, males may experience a
    discharge from the penis or burning during
    urination. Females may have vaginal discharge,
    burning during urination, or abdominal pain

  • Chlamydia is diagnosed by lab examination of
    secretions from the cervix in females and from
    the urethra in males
  • It can be treated with antibiotics but a person
    can be infected again
  • Chlamydia often goes unnoticed until serious
    complications occur such as pelvic inflammatory
    disease in females and infertility in both
  • Infants born to infected mothers may develop eye
    disease or pneumonia and are often born

Genital Herpes
  • Genital Herpes is an STD caused by the herpes
    simplex virus
  • Type 1 causes cold sores
  • Type 2 cause genital sores
  • About 20 of the total adolescent population in
    the U.S. is infected

Genital Herpes
  • Most individuals are asymptomatic
  • Typical symptoms are blisterlike sores in the
    genital area
  • The virus can be spread with or without visible
  • Medication relieves the symptoms but cant cure
    the virus
  • People with herpes are more capable of
    transmitting or acquiring HIV

GonorrheaThe Clap
  • Gonorrhea is a bacterial STD that affects mucous
  • Highest rates found in females 15-19 years old
    and males 20-24 years old
  • Symptoms in males discharge from the penis and
    painful urination
  • 50 of females have no symptoms. Some have
    vaginal discharge and painful urination

  • Gonorrhea can be treated with antibiotics but
    people can be reinfected if exposed
  • If untreated, gonorrhea can lead to infertility
    in both genders
  • The bacteria can spread to the bloodstream and
    cause permanent joint damage
  • Females can pass it to their babies and babies
    can be contract eye infection leading to blindness

  • Trichomoniasis is an STD caused by a microscopic
    protozoan that results in infections of the
    vagina, urethra, and bladder.
  • Females may have no symptoms but the disease may
    result in vaginitis an inflammation of the
    vagina characterized by discharge, odor,
    irritation, and itching
  • Males usually show no symptoms but may have
    itching or discharge and burning after urination

  • Syphilis is an STD that attacks many parts of the
    body and is caused by a small bacterium called a
  • The first sign of infection is a red painless
    sore called a chancre.

  • A chancre will heal on its own, but left
    untreated it can spread through the blood to
    other body parts
  • Eventually it can damage internal organs like the
    heart, liver, nervous system, and kidneys
  • A person is at risk for paralysis, convulsions,
    blindness, and heart disease.
  • An infant infected with syphilis can have a
    damaged nervous system and die

  • Prevention is every individuals responsibility
  • Embarrassment should not keep a person from
    getting medical treatment
  • Only a professional can prescribe the correct
  • Personal information is kept confidential
    although an infected person should notify all
    sexual partners (current and past)
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