What is the fine-grained topic of the following text: Internally the leaves and roots are a valuable alternative medicine used by medical herbalists for their patients as an antidiarrheal, analgesic, anthelmintic, antiperiodic, astringent, diaphoretic, emetic, emmenagogue, expectorant, sedative, tonic, vermifuge, and vulnerary. Only return the topic.
Alternative medicinal uses of plant leaves and roots