Chlamydia and extreme itchiness

I got diagnosed with chlamydia 3 days ago and I’m so itchy. I started the medication 3 days ago and I don’t think it’s working I’m so itchy I can’t even enjoy Christmas. I’m so mad because of this person who gave it to me I can’t have fun on Christmas the itchiness make me irritated because it’s itchy non stop. How do I stop the itchiness?