Thickened Skin: Common warts can develop on the fingers from exposure to a strain of the human papillomavirus. The virus affects the keratinocytes in your skin, causing them to grow abnormally and form the rough raised appearance of a wart. Other causes can be repeated trauma leading to a callus.
Answered 5/8/2019
5.5k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question