What Can Cause Little Red Bumps In The Vagina?

Hi, I Have This Problem I ve Had It Before & My OB/GYN Doctor Said It s Nothing But, Bactira? I ve Had It Before In Jan. 2014 & Its Now April About 2 Days Ago I Took A Shower & The Hot Water Felt Good On My Vagina & I Washing It With Soap & It Stared To Hurt & Itch So, I Thought I Washing To Hard But When I Got Out The Shower & Looked At It In The Mirror . I Saw Little Red Spots **Not Bumps** & My Vagina Was Just Irratating & Itching. Can Anyone Help Me