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What is a sexually transmitted infection (STI)?
An STI is an infection passed from one person to another through sexual contact, including vaginal, anal,
and oral sex.
How are sexually transmitted infections caused?
STIs are caused by bacteria, viruses, or parasites, including pathogens like Chlamydia trachomatis,
Neisseria gonorrhoeae, and human papillomavirus (HPV).
What are common symptoms of sexually transmitted infections?
Symptoms may include genital sores, unusual discharge, burning during urination, itching, and pain
during intercourse, though some STIs can be asymptomatic.
What is the most common bacterial sexually transmitted infection?
Chlamydia is the most commonly reported bacterial STI worldwide.
How is chlamydia treated?
Chlamydia is treated with antibiotics, most commonly azithromycin or doxycycline.
What complications can arise from untreated chlamydia?
Untreated chlamydia can lead to pelvic inflammatory disease (PID), infertility, ectopic pregnancy, and
chronic pelvic pain.
What is gonorrhea, and how does it spread?
Gonorrhea is a bacterial STI caused by Neisseria gonorrhoeae and spreads through vaginal, anal, or oral
sex.
What are the symptoms of gonorrhea in men and women?
In men, symptoms include painful urination and discharge from the penis. In women, symptoms include
vaginal discharge, bleeding between periods, and pelvic pain.
What is syphilis, and what are its stages?
Syphilis is a bacterial infection caused by Treponema pallidum and progresses in four stages: primary,
secondary, latent, and tertiary.
What is a characteristic sign of primary syphilis?
A painless sore, called a chancre, appears at the site of infection.
How is syphilis treated?
Syphilis is treated with penicillin, often in the form of an intramuscular injection.
What is human papillomavirus (HPV), and how is it transmitted?
HPV is a viral STI transmitted through skin-to-skin contact, including sexual activity.
, What health issues can HPV cause?
HPV can cause genital warts, cervical cancer, and other cancers, including anal and oropharyngeal
cancers.
How can HPV be prevented?
HPV can be prevented with vaccines like Gardasil, practicing safe sex, and regular screenings.
What is herpes, and what causes it?
Herpes is a viral STI caused by herpes simplex virus (HSV) types 1 and 2.
What are the symptoms of herpes?
Symptoms include painful blisters or sores on the genitals, rectum, or mouth, often accompanied by
itching or burning.
Is there a cure for herpes?
There is no cure, but antiviral medications like acyclovir can manage symptoms and reduce transmission
risk.
What is HIV, and how is it transmitted?
HIV (human immunodeficiency virus) is a virus that weakens the immune system, transmitted through
blood, semen, vaginal fluids, and breast milk.
What are the stages of HIV infection?
The stages are acute HIV infection, chronic HIV infection, and acquired immunodeficiency syndrome
(AIDS).
How can HIV be prevented?
HIV can be prevented through condom use, pre-exposure prophylaxis (PrEP), and avoiding the sharing of
needles.
What is trichomoniasis, and what causes it?
Trichomoniasis is a parasitic STI caused by Trichomonas vaginalis.
What are the symptoms of trichomoniasis?
Symptoms include itching, burning, redness, and a foul-smelling vaginal discharge.
How is trichomoniasis treated?
Trichomoniasis is treated with oral antibiotics like metronidazole or tinidazole.
What is hepatitis B, and how is it transmitted?
Hepatitis B is a viral infection transmitted through blood, semen, or other bodily fluids, including sexual
contact.
What are the long-term risks of hepatitis B?
Chronic hepatitis B can lead to liver cirrhosis, liver failure, and liver cancer.
How can hepatitis B be prevented?
Hepatitis B can be prevented through vaccination and practicing safe sex.