###Human: Suddenly, I am losing hair in patches. What can I do? ###Assistant: Hi. There is sudden hair loss in patches, and it is known as alopecia or spot baldness. It can occur due to autoimmune issues, psychological stress or fungal infection. It can revert. According to Ayurveda, leech therapy may help you to have regrowth of hair. Also, after rubbing, some irritant like Danti seeds or its preparations helps to reopen the hair pores, and it stimulates the hair follicles to have regrowth of hair. Take Ichhabhedi tablet. It contains Danti as an ingredient. Apply this powder, and it helps you to have regrowth of hair again.