Lilac has some minor historical medicinal use but doesn’t do anything particularly well compared to other plants. Typically when a plant that is wildly common and well know doesn’t have extensive historical usage as a medicinal, it’s because people have been trying it for thousands and haven’t been that impressed. :0)
The flowers are edible but not tasty. The leaves are medicinal but not as useful or effective as other plants with similar applications.
Don't use herbs or combine herbs with medications or use them during lactation or pregnancy without talking with your healthcare provider.
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