What are the side effects of Tara powder?

Could you please elaborate on the potential side effects associated with Tara powder? Are there any reported allergic reactions or contraindications for specific groups of individuals? Furthermore, is there any research suggesting long-term effects or interactions with other medications or supplements? It would be greatly appreciated if you could provide a comprehensive overview of the potential drawbacks and cautions that one should be aware of when considering the use of Tara powder.