Men carry this infection without many symptoms. The regimen and dosing of Flagyl are different for men. Condoms should be used until both people have been tested and are found to be negative. Another thing to try is a longer period of continuous treatment with Flagyl. There is also a topical sulfur-based cream available, which can be used in combination with the Flagyl.
Most vaginal infections are very distinctive in appearance and symptoms.
Therefore, it is standard for doctors to diagnosis and treat these infections based on what they are told and their own physical examination of a patient. If a woman continues to get recurrent Gardernella vaginal infections, she should have lab tests and cultures done in order to confirm that her doctor is treating the right organism or cause.