std and painful while peeing

hey! does anyone current have an std or has had one and can help me out. i’m going to get tested today. i have small bug bite stops down there, pain peeing and peeing blood. discomfort moving and sleeping. yeast infection smell and burning and irritation. i’m 100% convinced i have something because i have never felt so bad in my entire life. if anyone has advice or any tips for pain release until my appointment please let me know!