Warts are a form of viral skin infection characterized by hard lumps most often on the fingers or hands. These lumps tend to be flesh-coloured and are sprinkled with small black dots, which are actually tiny, clotted blood vessels.

Warts usually take 2 to 6 months to develop after your skin has come into contact with the virus. 

While warts are generally harmless, most people choose to remove them as they are contagious and unsightly. Warts also rarely resolve on their own.

More About Warts


Warts are caused by direct contact with some strains of the human papillomavirus (HPV). Transmission needs not to be sexual; casual contact or sharing objects with an infected individual is often sufficient. 

Given that each person’s immune system is unique, not everyone exposed to HPV develops warts. 

Who is at risk? 

Individuals with certain forms of immunodeficiency or with suppressed immune systems are at higher risk of contracting warts than others. Children and young adults may also be more susceptible to the virus, as their body has yet to develop immunity to it. 

What are the most effective treatments? 

Treatments aim to destroy warts and/or spur the immune system to fight against HPV. Repeat liquid nitrogen treatments can freeze warts and make them fall off. Salicylic acid removes layers of a wart bit by bit. A surgical removal is also an option. 

Generally, the most successful wart treatments involve combining multiple methods over the course of a few weeks. 

Connect with Danny Guo MD if your warts are not going away on their own. Blending liquid nitrogen treatments and prescription medicine with salicylic acid, our experts’ holistic approach to wart removal minimizes the chance of future breakouts. Call 403-286-6888 or fill out the online contact form below to see what we can do to treat your warts.

World Class Training and Experience

Dr. Guo is board-certified in Canada and the US and has 16 years of post-secondary education. He has received surgical and cosmetic training at more than 15 prestigious institutions in Canada, the US, and Asia. He is a fellowship-accredited Mohs surgeon with expert knowledge on facial anatomy and surgical reconstruction. Dr. Guo brings an exceptional understanding of medical and cosmetic dermatology and many years of extensive experience to his practice.

Common Skin Conditions

Dr. Guo is highly trained to treat a range of both medical and cosmetic skin conditions with the most current and cutting-edge techniques. Learn more about some of the more common skin conditions and the options for treatment. You do not need to suffer from painful and irritating skin conditions. Let Dr. Guo help you find a treatment solution.

Distinctive Dermatology

Distinctive Dermatology

Dr. Danny Guo promises informative, compassionate, and the most competent care for every dermatology patient he serves in the Calgary and Edmonton areas. He is highly educated and one of fewer than 30 fellowship-trained Mohs surgeons in Canada. For information on medical referrals or to book your complimentary cosmetic consultation contact our office at 1-403-286-6888.

Healthy. Beautiful.

Danny Guo MD is committed to serving patients in Calgary and Alberta as a trustworthy, knowledgeable, and reliable source for expert skincare. With a careful and compassionate approach, Dr. Guo offers medical and cosmetic dermatology services allowing patients to choose health and to feel good in the skin they are in.
Connect with our office at 1-403-286-6888 for your free consultation.

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