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Sex and Lyme Disease Transmission in Lyme disease treatment

Can Lyme Be Sexually Transmitted? Yes.

Lyme can be sexually transmitted. In this article I review the science behind this statement and the risk that I believe exists. I also answer the following questions:

Q: Should I have my healthy sexual partner tested for Lyme disease?

Q: But shouldn’t I have my sexual partner tested to prevent him or her from transmitting the germ back to me during or after treatment?

Q: Should I tell my new sexual partner that I have Lyme? Should we use condoms?

How We Know Lyme Disease is Sexually Transmitted

The Lyme infection, borrelia, can be sexually transmitted. However we do not know the actual rate or chance of transmission. There is limited science around this topic, but here it is.

  • Studies do show borellia in vaginal fluid and male ejaculate of those who have positive testing with Lyme disease (1, 2).
  • In one recent study, 13 people with lyme were studied. Of the 13 studied 3 were sexual partners. All 13 had evidence of Lyme in the genital secretions. The sexual partners in each of these studies had identical strains of borrelia (Lyme) detected in the male ejaculate and vaginal fluid. However the researchers did not clarify the length between sexual activity of each couple and when the specimens were obtained. Nor is there scientific evidence indicating how long borrelia can persist in the vaginal fluid after male ejaculation. Thus it is possible the detection of identical strains in the female partner could be from male secretions in the vaginal fluid rather than her own vaginal secretions. In addition,

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