Оральный секс и инфекции: чем можно заразиться и как защититься?

Main Ideas

The video explains that oral sex can transmit sexually transmitted infections (STIs), even when nobody has visible symptoms. The infectious-disease specialist emphasizes informed choices and practical prevention rather than fear or judgment.

Infections and Risks Discussed

• Gonorrhea and chlamydia: Both can infect the throat, often with few or no symptoms. A throat infection can also pass to a partner’s genitals during oral sex. Gonorrhea is treatable, but increasing antibiotic resistance is a concern.
• Syphilis: It can be transmitted through oral sex and remains common. A primary syphilis sore, or chancre, is typically painless. Early blood tests may not yet detect the infection, so a lesion may need to be tested directly. Secondary syphilis can involve a rash or throat inflammation, and infection in the mouth or throat can be transmissible. A sore throat that does not resolve with routine treatment may need further investigation.
• HPV (human papillomavirus): HPV can affect the mouth and throat and is associated with some oropharyngeal cancers. The specialist describes persistent infection—not simply any single exposure—as the concern. Smoking, alcohol use, ongoing irritation or damage to the mucosa, and significant immune suppression are discussed as possible contributing factors. HPV vaccination is presented as an important preventive measure. There is no standardized routine throat HPV test for men; cervical HPV screening is established for women.
• Herpes: Herpes can occur on the lips or genitals, and the location alone does not reliably identify the virus type. A PCR swab from a fresh blister is more useful for identifying the type than blood antibody tests, which can be ambiguous. Herpes can sometimes be present or shed without visible sores.
• Hepatitis B: It can be transmitted sexually. The guest recommends vaccination and notes that adult infections often resolve rather than becoming chronic.
• HIV: Transmission through oral sex is described as extraordinarily rare, with only a few cases confidently documented. Risk may be affected by traumatic contact or bleeding. The guest stresses that a person with HIV who takes treatment and maintains an undetectable viral load does not transmit HIV through sex.
• Hepatitis A and intestinal infections: These can be relevant during rimming because of fecal–oral transmission. Hepatitis A vaccination is recommended.
• Hepatitis C: The guest describes no significant direct risk from blood contacting intact mucosa, while noting that damaged tissue could increase risk.

Practical Prevention and Response

• Use barriers: Condoms for oral sex and latex barriers for cunnilingus or rimming reduce exposure. They do not eliminate risk completely: herpes and HPV can affect areas not covered by a condom.
• Consider vaccination: The guest recommends vaccination against hepatitis B, hepatitis A, and HPV.
• Do not rely on appearance: A partner may have an infection without visible signs, and throat infections can be particularly subtle.
• Swallowing versus spitting: The guest says the main exposure occurs while semen or genital fluids are in the mouth. Swallowing rather than spitting does not meaningfully remove that exposure; pre-ejaculate can also carry infections.
• Do not rely on washing or antiseptics: Showering after sex, douching, or applying products such as Miramistin is not a dependable way to prevent STIs. The guest advises removing a condom carefully and avoiding douching.
• Avoid self-prescribed antibiotics: Taking antibiotics without testing or medical advice may be ineffective and can contribute to resistance or obscure the diagnosis.
• After unprotected contact with a new or untested partner:
  • Arrange testing for the body sites involved in the contact—such as the throat, urethra, and rectum—rather than relying only on a general or blood test.
  • The guest suggests testing around 2–3 weeks after exposure for infections at exposed sites, while recognizing that some blood tests need longer to become positive.
  • For syphilis, the guest says antibodies often become positive within about a month, and the RPR test may take up to about two months. A suspicious ulcer may be tested directly by PCR before blood tests are positive.
  • Discuss vaccination, follow-up testing, and next steps with a clinician. If possible, the partner can also be tested.
  • Pausing sex while awaiting clarification can reduce the chance of passing an infection on.
• Seek assessment for persistent oral sores: The guest says an ulcer that has not gone away after roughly one to two weeks should be assessed and may need a biopsy, rather than being repeatedly treated without investigation.

The overall message is that oral sex is not risk-free, but prevention, vaccination, appropriate testing, and nonjudgmental medical care can make decisions more informed and risks more manageable.

Speakers and Sources Featured

• Host: Unnamed presenter of Podcast 69.
• Guest: Ekaterina Yuryevna Stepanova, infectious-disease specialist and candidate of medical sciences.
• Other sources or references mentioned: The guest refers generally to research on HPV and oropharyngeal cancer, HIV treatment and undetectable viral load, and hepatitis C; no specific studies are named. An unnamed Nobel Prize recipient is mentioned in connection with research linking HPV and cervical cancer. The Office is referenced as an illustrative example about herpes.