If you experience chronic constipation, or if eating prunes and drinking prune juice doesnât solve your problems, contact your doctor for professional advice. Also, make sure to talk to your doctor if you begin to experience: 1  rectal or abdominal pain.  blood in stool.
agonist agÂ·oÂ·nist (Äg'É-nÄ­st) n. A contracting muscle that is resisted or counteracted by an antagonistic muscle. A substance that can combine with a cell receptor to produce a reaction typical for that substance.
A partial opiate agonist is, in brief, a chemical that can switch back and forth to act as either an agonist (a chemical that bonds with and activates a receptor) or an antagonist (a chemical that blocks the receptor and makes sure that nothing can bond with it).