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.
1. the principal character in a work of fiction. 2. someone involved in a contest or battle (as in an agon) 3. a muscle that contracts while another relaxes. 4. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction. Familiarity information: AGONIST used as a noun is uncommon.