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Sexually transmitted infections summary

Sexually transmitted infections (STIs) are bacterial, viral or fungal infections that are spread by having sex - including vaginal, anal and oral sex. Examples include chlamydia, gonorrhoea and genital warts.

Sexually transmitted infections

What is chancroid?
What is chancroid?
Safer sex: How to prevent STIs
Safer sex: How to prevent STIs
Sexual health FAQs
Sexual health FAQs
Can oral sex give you cancer?
Can oral sex give you cancer?
Gonorrhea
Gonorrhea
What should I do if I think I've got an STI?
What should I do if I think I've got an STI?
Syphilis
Syphilis
What infections can I catch through oral sex?
What infections can I catch through oral sex?
Genital Warts
Genital Warts
How soon do STI symptoms appear?
How soon do STI symptoms appear?
Pelvic inflammatory disease
Pelvic inflammatory disease
Sexually transmitted infections (STIs)
Sexually transmitted infections (STIs)
Pubic lice (crabs)
Pubic lice (crabs)
Sex activities and risk
Sex activities and risk
STI symptoms that need checking
STI symptoms that need checking

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