Purging cassia, also known as senna, is a powerful natural laxative that is commonly used to relieve constipation. However, some people may experience side effects such as cramps, diarrhea, and dehydration when using this herb. If you are looking for alternatives to purging cassia, there are several other natural laxatives that may help relieve constipation. These include psyllium husk, flaxseed, aloe vera, and prune juice. Additionally, drinking plenty of water, eating a fiber-rich diet, and getting regular exercise can also help keep your bowel movements regular. Always consult with your healthcare provider before using any natural remedies for constipation.