Cancer is easier to treat if it's diagnosed early, but about half of these cancers are diagnosed when the disease has already spread within the neck. The virus is transmitted during sex, including oral sex. Ear, Nose and Throat Why is one side of my throat sore? You can make oral sex safer by using a condom on a man's penis — it acts as a barrier between the mouth and the penis. Why do you get acne under the skin? Understanding personal risk of oropharyngeal cancer:
Human papillomavirus HPV can spread during oral sex, increasing the possibility of cancer.
Does oral sex cause throat cancer?