English to Chinese Medical Medical: Pharmaceuticals Medical

The terms "prevent", "preventing" and "prevention" refer to the prevention of the recurrence, spread or onset of the hemorrhagic or thrombotic disease or disorder, or symptoms associated with the disease or disorder, in a patient resulting from the administration of a prophylactic or therapeutic agent.
不知道在专利中碰到这类词如何处理呢？翻译成中文时意思似乎是相近的。类似的还有
The terms "treat", "treating" and "treatment"
先行感谢！