Sarcoids are the most common equine skin tumor and a significant welfare concern for horses worldwide. Understanding treatment options and welfare impacts helps owners and vets make informed decisions.
Equine sarcoids cause welfare problems through physical irritation, secondary infection, and impaired function depending on location. Sarcoids at tack contact points cause chronic pain and make horses unable to work. Periocular sarcoids can cause eye discharge, light sensitivity, and vision impairment. Treatment decisions are complex — some benign-appearing sarcoids become much more aggressive after incomplete surgical removal. The decision of when to treat, which method to use, and when to choose euthanasia requires careful welfare assessment. Modern treatments including cisplatin chemotherapy, Liverpool cream, immunotherapy, laser surgery, and cryotherapy have varying success rates. Owners benefit from specialist dermatology consultation before attempting treatment to avoid stimulating aggressive regrowth.