Hello i have read your query.wart or verruca vulgaris on the tongue is a condition that needs to be taken care of.yes this condition is a highly infectious one that can be transmitted through kissing, or by oral and genital contact. it is caused by a virus called the human papillomavirus, a lifelong viral agent that may lay dormant in our body once acquired.action for this condition is to treat the patient’s present symptoms.Difficulty in eating is treated by the doctor by application of antiviral creams. The discomfort is relieved through pain medications. Topical anesthetic or topical analgesic is applied. topical agent such as salicylic acid is a proposed first-line treatment for warts.generally warts disappear within 2 years. some home remedies are: ~tea tree oil ~Banana peels ~raw potatoes ~Aloe vera ~garlics Hope this ans helps Regards Dr. Shesh