The dreamer that has caught the venereal disease has too many negative emotions in his mind. Perhaps the cure could be done by the spiritual cleaning you should make to yourself. The dream could also indicate the disturbances and fears the dreamer has when it comes to his sexuality.
Dream dictionary: Venereal disease dream meanings
(Piper)
…represents his own Satan, or an enemy that dwells inside his house. Drinking one’s own blood in a dream means paying one’s debts with second loan, or vanquishing one’s enemy. Bleeding naturally in a dream means peace and comfort. Excess bleeding in a dream means the opposite. The bleeding of an unwed woman means finding a husband. Bleeding of a pregnant woman in a dream means a miscarriage and for an elderly woman, bleeding means an illness. If one sees blood coming from his anus in a dream, it means that he is tainted with the consequences of an evil act, or it could mean a bad deal, or that he has earned unlawful money then walked out of such a deal. To bleed in a dream also means being a spendthrift, a money wasting family, or it could mean suffering from a venereal disease. (Also see Vascular blockage)…
…(Jester | Music) In a dream, a piper represents someone who is longing for something, or who is anxious to say or do something, or he could denote vain talk. A wedding piper in a dream represents festivities. The court piper in a dream represents an army going to war. A piper in a dream also represents an obituarist, an announcer of a murder, someone who exposes an adulterer, or one who uncovers a secret prostitution ring and exposes it leaders. A piper in a dream also may denote one’s anus. An unknown piper in a dream means suffering from a venereal disease. A piper in a dream also could represent a mourner, a good mother, or perhaps a bad mother who is bereaved of her child….
(Piper | Venereal disease)
…(Flee | Run away) If one sees himself turning and running away in the face of a battle in a dream, it means that he may contract a venereal disease, or suffer from syphilis. Taking flight in a dream also may mean reverting to what is proper. On the other hand, it may mean falling into sin to earn God’s wrath and the despise of the common people. If one sees himself taking refuge in a group of people, enticing them to fight in a dream, it means that he is adventuring with his head by walking the path of evil, or by backbiting others. (Also see Escape from danger | Running away | Turning)…