Yunnan Baiyao Capsules for PetsAmount: 1 box contains 16 capsules and 1 emergency red pill. Each capsule is equivalent to 250mg. What is Yunnan Baiyao? Yunnan Baiyao is a prized Chinese Herbal Medicine used primarily to stop bleeding (both internally & externally). In What Way is Yunnan Baiyao Used? Yunnan Baiyao is commonly used to extend the life of dogs (and cats) with bleeding cancers such as hemangiosarcoma or nasal cancer (nosebleeds). Some treatments for cancer, such as