It's possible. Xiaoyao Pill and Liuwei Dihuang Pill are both Chinese patent medicines, each of which has almost no side effects. Functionally, Liuwei Dihuang Pill nourishes the yin of liver and kidney, Xiaoyao Pill soothes the liver and relieves depression, nourishes blood and strengthens the spleen. Indications are liver depression, blood deficiency and spleen deficiency.
If they are taken together, they can mainly help nourish yin and replenish blood, and there will be no conflict. I have been taking Zhongjing's Xiaoyao Pill, and the Zhongjing brand Liuwei Dihuang Pill my husband ate has a good effect. It should be okay to bring it with you.