Serotonin Blood Test
Serotonin is a chemical produced by nerve cells. The serum serotonin level is a blood test to measure the amount of serotonin in your body.
Alternative Names
5-HT level; 5-hydroxytryptamine level; Serotonin test
How the test is performed
Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the...
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From Our Experts
How are serotonin levels measured?
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Serotonin Syndrome
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What is Serotonin Syndrome?
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From Our Sources
Serotonin syndrome
Source: ADAM Encyclopedia
Hyperserotonemia; Serotonergic syndromeSymptomsSymptoms occur within minutes to hours, and may include:Agitation or restlessnessDiarrheaFast heart... Read more »
Serotonin
Source: HealthCentral Encyclopedia
Serotonin is a neurotransmitter produced in the brain known to influence the functioning of the cardiovascular, renal, immune, and gastrointestinal... Read more »
Serotonin drugs affect immune system
Research published in the journal Blood shows that selective serotonin-reuptake inhibitors clearly affect the immune system. The study did not... Read more »
Serotonin, Migraine and Headache Glossary
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Serotonin Linked to SIDS
Researchers from Children's Hospital Boston have found that a deficiency in the brain chemical serotonin may be the cause of sudden infant death... Read more »
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