How is human papillomavirus (HPV) treated?
Dec 12, 2021
Source: Cainiu Health
Dr. Zhang Lu
Introduction
In general, human papillomavirus (HPV) is a common virus that can cause various warts on the skin and mucous membranes, as well as certain types of tumors. Treatment options typically include pharmacotherapy, laser therapy, cryotherapy, electrocautery, and photodynamic therapy, all of which help alleviate symptoms. During treatment, sexual activity should be avoided, and the affected area should be kept clean.
Generally, human papillomavirus (HPV) is a common virus capable of causing various warts on the skin and mucous membranes, as well as certain types of tumors. Treatment options typically include pharmacotherapy, laser therapy, cryotherapy, electrocautery, and photodynamic therapy—all aimed at alleviating symptoms. A detailed analysis follows:
1. Pharmacotherapy
This approach is suitable for genital warts or low-grade cervical lesions caused by low-risk HPV infection. Commonly used medications include imiquimod cream, podophyllotoxin tincture, and fluorouracil ointment. Patients should use these medications strictly under medical supervision to avoid adverse effects.
2. Laser Therapy
This method primarily employs high-energy beams—such as carbon dioxide (CO₂) or holmium lasers—to generate instantaneous high temperatures that vaporize and carbonize wart tissue, precisely destroying virus-infected cells. It is best suited for small, few in number warts. Postoperative scarring may occur; therefore, infection prevention is essential.
3. Cryotherapy
Liquid nitrogen is applied to rapidly freeze warts at extremely low temperatures, inducing intracellular ice crystal formation and subsequent cell membrane rupture. Simultaneously, localized cold exposure triggers an immune response to help clear the virus. Treatments are typically repeated every 1–2 weeks and may require multiple sessions. Significant local pain is commonly experienced during treatment.
4. Electrocautery
High-frequency electric current or plasma energy generates heat to coagulate, carbonize, and vaporize wart tissue. The thermal effect also seals blood vessels, achieving effective hemostasis. This modality offers excellent bleeding control and is particularly appropriate for larger warts; however, it must be performed by a qualified physician.
5. Photodynamic Therapy (PDT)
PDT is primarily indicated for subclinical HPV lesions and latent infections. A topical photosensitizer is applied to the affected area and subsequently activated by laser light of a specific wavelength, initiating a photochemical reaction that selectively destroys virus-infected cells. PDT is minimally invasive and associated with minimal discomfort, making it especially suitable for anatomically sensitive areas such as the urethral meatus and anal canal.
During treatment, sexual activity should be avoided, local hygiene maintained, and overall immunity enhanced—for example, through balanced nutrition and regular sleep schedules—to reduce the risk of recurrence.
