"During days after exposure I had sex with my wife.
She had nausea 3 days after we had sex.
Can it be the sign of recent infection? "
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Nothing do to Hep C at least.
You had no risk, French hairdresser or not... Good luck
I think you are working yourselves up to being sick over nothing. Your risk of infection is extremely low. A study of nurses who were stuck by needles that had been used on KNOWN Hepatitis C positive patients showed that in spite of definitive under the skin exposure the infection rate was only 5%. Now go back to your situation. You don't know that the razor was used on an infected person, or that it had any blood on it, and you were not cut by it. This is total guesswork on my part, but I would think your odds of infection are pretty close to zero. Hepatitis C rarely causes any symptoms until one has been infected for many years. Its true that a few people get some symptoms during the initial acute phase of infection, but that would take more than three days too, and the odds of your wife getting it via sex with you are almost zero even if you have a full-blown infection, which you can't have three days after a non blood exposure to a razor that might not have even been contaminated. If you continue to worry then get yourself tested, but keep in mind that the antibody test can't conclusively rule out HCV until six months after exposure because it can take that long to build up antibodies in your blood. The HCV PCR test measures actual viral RNA in your blood and is faster (and much more expensive), but even that test can't be used until at least 2 weeks after exposure and isn't conclusively negative until 6 weeks after exposure.
3 days later I felt strong nausea in the morning but it lasted only about 6 hours.
During days after exposure I had sex with my wife.
She had nausea 3 days after we had sex.
Can it be the sign of recent infection?
I also thought hcv is not easily transmitted through intercourse. And 3 days after razor burn is too early to transmit virus because of lite level in the blood.
I'm very anxious.