Not STD, little risk: Everybody has anal itching (Latin pruritus ani) from time to time; probably this has nothing to do with the sexual exposure. No STD causes "red spots" of the thigh or anywhere else, especialy without direct contact. Oral sex and analingus (oral-anal) are safe sex, with zero to low risk for all STDs. See MD if symptoms continue or concerned, but STD is unlikely if no other symptoms within 2 weeks.
Answered 2/8/2021
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Anything...: Chlamydia is one STD risk that comes to mind. It could also just be friction burn. Always best to have this checked and reconsider who you choose as a partner. Having sex with professionals greatly increases your risk of infection - some of which can last a lifetime and shorten your life. See your MD. https://en.wikipedia.org/wiki/Chlamydia_infection
Answered 2/8/2021
2.3k views
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