Body Rash - 6 weeks after giving unprotected oral

[APHK]

I have unprotected oral sex to another man and swallowed semen around 6 weeks ago. I've had no illness/temperature/fatigue, but in the last couple of days, I have a patchy light rash on my body. It is light red and only itches occasionally.

1: Does this sound indicative of any STI? Trying to find info is difficult.
2: I took a preventative 1g Zithromax around 3 weeks ago - could this be a side effect?

Thanks

[kapster1978]

Nope it doesn't sound like it. But swallowing semen could be a risk. It's been 6 weeks. Just for the ease of mind take a HIV test to be sure!

For other STI/STD's no real big risk.

[Life360_Dave]

Hi.
1. no it doesnot
2. side effects of with antibiotics are often discolored tongue not a rash. If your in cold climate its most likely from the extra layer of cloths your wearing. Causes rubbing and sweat that leads to a rash often.