People with constipation mostly feeling hard to pass the stools, or have feeling miss something after bowel movement.

Due to irritable bowel syndrome, the constipation is a part of them and may become chronic level. When this happen, it could lead to fecal impaction which the stool become hard in the rectum and block any stool to pass.

In another side, there is Rhamnus Purshiana, a small tree with greenish-yellow flower petals.
Popular name from Rhamnus purshiana is Cascara Sagrada.
This popular name due to that tree containing Anthraquinone that act as laxative effect.

Although FDA issued banning cascara as laxative ingredients in the drugs products since May 9, 2002, the homeopathic medicine with some special extract treatment make it become powerful common herbal laxatives and some applied as part of ingredients for Constipation Remedies.

This herbs has been used both native and immigrant American for more than 1,000 years as natural laxative medicine and continued till now.