Sexually Transmitted Infections Part I. (formerly known as sexually transmitted diseases)

a quick review! But first...

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General STI Information If a person does show STI symptoms, they usually occur 2-5 weeks after exposure the most common symptom of all STIs is NO SYMPTOMS AT ALL STIs can be passed on even when someone is asymptomatic the majority of people passing on STIs are unaware that they are infected Even if someone was showing symptoms, they could easily go unnoticed As a rule of thumb: bacterial STIs can be treated with antibiotics, viral STIs are lifelong

Risk Factors for STIs having unprotected sex having multiple partners having a history of STIs abusing alcohol or other drugs injecting drugs being an adolescent female some STIs can leave a person INFERTILE (also known as STERILE ) for the rest of their lives

Testing for STIs can be done with tissue, urine and/or blood doctors office, at-home kits, clinics Treatment depends on the infection, but may be possible through prescription antibiotics

Preventing STIs the ONLY way to be 100% sure you will not get an STI is to.... NOT HAVE SEXUAL INTERCOURSE condoms are the second most effective

AIDS Pathogen HIV human immuno-deficiency virus Where penis, vagina, mouth, rectum, blood, mucous membranes How sex, sharing drug needles, mother to baby, transfusion Symptoms skin rashes, diarrhea, fever, weight loss, dry cough, swollen glands, loss of appetite, opportunistic infections

Chlamydia Pathogen chlamydia trachomatis bacteria **most common STI in the US** Where penis, vagina, anus, mouth How sex Symptoms painful urination, watery discharge, itching, burning of the genitals, pelvic pain, bleeding between periods **risk for infertility

Genital Herpes Pathogen herpes simplex II virus Where penis, vagina, anus, mouth, transfer to eyes if sore is touched How direct, intimate contact Symptoms painful blisters or sores on the genitals, swollen glands, fever, headaches, tiredness

Syphilis Pathogen treponema pallidum bacteria Where penis, vagina, anus, mouth, break in skin How congenital, mucous membrane contact with sores during sex Symptoms 1st stage-"Chancre" painless sore which goes away, fatigue, fever, sores, rash, hair loss, nervous system damage, insanity, death

"Chancre"

Gonorrhea Pathogen neisseria gonorrhoeae bacteria Where penis, vagina, anus, throat How direct mucous membrane contact during sex Symptoms burning discharge from the penis, most women have no symptoms, can cause sterility, arthritis

Genital Warts Pathogen human papilloma virus Where genitals, anus How sex Symptoms warts on genitals and anus

Song Analysis Sheet Think of a song. Answer the following questions: Is sex mentioned directly or indirectly in the song? Does the song suggest or promote pre-marital sex? Explain. Does the song mention sex in a loving relationship, or is there no mention of love? Explain or give an example. What is the message you get from this song? Do you think this song sends a positive or negative message concerning relationships? Why? Explain.

Exit Ticket Question: What are 2 viral and 2 bacterial STIs? Journal: What do you think is the worst STI (so far) and why? REMEMBER: please don't tell other classes surprises (like the cookie)

STIs Part II.

Quick Review!

Hepatitis Pathogen Hepatitis A virus Hepatitis B virus Where mouth penis, vagina, anus, mouth, skin breaks, blood How anal-oral sex, contaminated water saliva, sex, blood, needles, etc. Symptoms flu-like symptoms, dark urine, abdominal pain, jaundice

Non-Gonococcal Urethritis Pathogen chlamydia, ureaplasma, myco-plasma, trichomonas Where penis, vagina, anus, throat How direct mucous membrane contact during sex Symptoms Men- watery or milky discharge from penis Women- burning urination

Vaginitis Pathogen chlamydia, gardnerella, herpes, candidiasis, herpes, trichomonas, mycoplasma Where penis, vagina, anus, throat How usually sex, but sometimes without sex Symptoms pain, discharge, irritation, redness, itching, odor, or asympomatic

Pubic Lice ("crabs") Pathogen pediculosis pubis Where pubic hair How sex, bedding, toilets, clothing Symptoms itching, rash, pinhead-sized blood spots on underwear

Trichomoniasis Pathogen protozoan parasite Where vagina How common after menstruation, sex Symptoms odorous, yellow discharge, itching, burning while urinating, urethra and bladder infections

Scabies Pathogen parasitic mite that burrows under the skin Where skin contact How sex, but sometimes no sex Symptoms itching in the genital area

GIANT MICROBE Station Activity At each station, record 3 new facts about the STI Each group will be asked to present their last station BE GENTLE WITH THE GIANT MICROBES! your worksheets will be collected

Exit Ticket Question: What are 2 STIs caused by a parasite? Journal: When we began this week, did you think you knew a lot about STIs? Do you still think you were very informed BEFORE we started?