White Willow Bark, Salix alba
For thousands of years willow bark has been used for pain and fever. It's the forerunner of aspirin without the side effects.
bitter digestive tonic
There are no cautions listed despite the herb having a high salicin content. The side effects are not the same as those encountered with its synthetic counterpart (aspirin). However, it should still be used cautiously, especially during pregnancy and breast-feeding. It should not be used in conjunction with any blood-thinning medications.