Ob-Gyn questions? Ask a gynecologist online.
trichomonas will not be cured by penicillin.
Flagyl (metronidazole) is recommended in a single 2 gram dose per the CDC. With the proper treatment, the tests will be negative in about a week although symptoms may last up to 3 weeks.
It is a sexually transmitted disease and is reportable.
You should always seek treatment by your doctor and not self medicate.