The question, What is fibromyalgia? is a complicated one that doctors and patients have been trying for decades to answer. Fibromyalgia is a chronic condition that causes intense pain all over the body, as well as a host of other symptoms. It affects more than 6 million people in the United States. Doctors classify fibromyalgia as a syndrome, which means it has a group of signs, symptoms and characteristics that occur together.
Medical Definition of Agonist. Agonist: A substance that acts like another substance and therefore stimulates an action. Agonist is the opposite of antagonist. Antagonists and agonists are key players in the chemistry of the human body and in pharmacology. Last Editorial Review: 5/13/2016.
In general, regardless of the neurotransmitter in question, and its mechanism of action, an agonist is an agent that increases the said neurotransmitter's activity. Examples of antagonists is a class of drugs called atypical antipsychotics.They act as dopamine antagonists which block excessive action of dopamine typically found in schizophrenia, amphetamine psychosis, etc. serotonin IS an agonist.I am not a biochemical expert.hat i have read is that for serotonin it is called antagonist and dompamine agonist. Some drugs that are often used in these regards are requip permax mirapex parlode dostinex neupro apolum sifrol, i dont' think those are SSRI's. and what all that really means is '. I don't know.