To dream of having an STD or venereal disease may signify regret, mistakes, or wrong choices that you’ve made. The dream may also represent feelings of vulnerability or victimization in your waking life, or the imbalance in sexual energy or anxiety regarding sex.
Dreaming of herpes means that a once pleasant situation has turned unpleasant, or a tragedy that continuously haunts you in your waking life. The dream may also mean that you should move on and let go of current concerns and regrets.
To dream of suffering from AIDS implies that you are feeling mentally weak or that you are too fragile to fight back in some area of your life. Dreaming of your partner suffering from AIDS means that you association with him/her is not a good one.