How can you tell if someone else has an STD?

Answer:
That is the problem; most of the time you can't tell if a person has a STD because there is no sign. For some, you can see the warts, herpes sore, smell, or drainage from the infected person.
First answer by Rjsiekman. Last edit by Rjsiekman. Contributor trust: 357 [recommend contributor recommended]. Question popularity: 1 [recommend question].