Help please!!

Mikayla • I'm 23, married for 4 years, we have a beautiful 2year old little girl! she is our universe!!!! I'm a cancer in a home with two Capricorns!!!! Baby #2 due may 2019!
Dr put me on amoxicillin I'm on day three of it and for some reason it's making me really really itchy " down there". What can I do to relieve the itchiness???