Someone Help Me Please.!!

I’m 31 Weeks Pregnant & For The Past 30-45 Minutes My Legs Has Been Itching Soooooo Bad & I Have A Rash On It Now. My Eyes Feel Really Dry & I Got A Headache That I’m Tired. I’m Healthy in This pregnancy Except I’m GBS+ With An LGA Baby Who’s Measuring Ahead & Weighs 4-5 Pounds Already. I Do NOT Have Gestational Diabetes..Anyways, My Legs Itch Soooo Bad I Cant Stop Rubbing It .. Is This Normal.? Where The Rash Is At My Skin Is Red .. Thank You.!❤️