What Causes Itchiness In Skin During Evening With Hot Flashes?

Hi, may I answer your health queries right now ? Please type your query here...Hi there. I am a 30 year old female who stopped taking birth control a few months ago. I have symptoms of very itchy skin which is mostly in the evenings. I also have hot/cold flashes with very clammy skin. I am even experiencing night sweats that are horrible. Can you give me some in site into what is going on?