Other conditions that may cause symptoms similar to genital warts caused by infection with the human papillomavirus (HPV) include:

• Skin conditions that cause wartlike growths, such as seborrheic keratosis.
• Rare skin cancers, such as melanoma or squamous cell cancer of the vulva.
• A skin disease caused by a virus (molluscum contagiosum) that produces soft, rounded masses.
• A noncancerous tumor of fibrous tissue (fibroma).
• A noncancerous tumor of fat tissue (lipoma).
• A flattened, moist, raised growth that occurs in advanced syphilis (condyloma latum).
• A tumor (adenoma) occurring in a gland, such as a mucus-producing gland.