Sarah A. Marshall MD


Chlamydia Tests

Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria ( Chlamydia trachomatis ) are present and causing an infection. Chlamydia is the most common bacterial sexually transmitted infection (STI) in the United States. Tests used to find a chlamydia infection include: Nucleic acid…

Cryotherapy (Cryosurgery) for Genital Warts

Cryotherapy (cryosurgery) destroys genital warts by freezing them with liquid nitrogen. A doctor applies liquid nitrogen to and around the warts. First, the tissue is frozen with liquid nitrogen. Then, the tissue is allowed to thaw. The tissue is frozen again, if needed. The time of application varies by the doctor who…

Herpes simplex virus type 2 symptoms (genital herpes)

Herpes simplex virus type 2 (HSV-2) can cause groups of small blisters or sores that usually occur on or around the genitals or the anus. This is called genital herpes. In men, genital herpes often appears on the shaft of the penis. In women, it often appears around the opening of the vagina. The sores may be itchy or…

Trichomoniasis

Trichomoniasis, also known as trich (say “trick”), is an infection caused by a parasite. The infection spreads through sexual contact. Women are more likely to have symptoms than men. The infection can cause a discharge from the vagina that smells bad. The infection is treated with antibiotics. If you are infected, it’s…

Biopsy of Genital Warts (Human Papillomavirus)

Your doctor may take a sample, or biopsy, of abnormal tissue. The majority of warts do not require a biopsy. But a biopsy may be taken if genital warts cannot be easily identified with a physical exam or during a gynecology exam with a lighted magnifying instrument ( colposcopy ). A microscopic exam on the biopsied…