Serotonin: What Is It, Function & Levels - Cleveland Clinic
Serotonin is a chemical that carries messages between nerve cells in the brain and throughout your body. Serotonin plays a key role in such body functions as mood, sleep, digestion, …
Serotonin Syndrome: What It Is, Causes, Symptoms & Treatment
Serotonin syndrome happens when you have too much serotonin (a normal chemical) in your body. It’s usually caused by taking drugs or medications that affect serotonin levels.
SNRIs (Serotonin and Norepinephrine Reuptake Inhibitors)
SNRIs (serotonin and norepinephrine reuptake inhibitors) are commonly prescribed, and for good reason. These medications can help with more than just depression, from easing nerve pain to …
Serotonin Antagonist: What It Is, Uses, Side Effects & Risks
About 90% of your serotonin is in the cells that line your gastrointestinal tract. Serotonin has several roles, including regulating your mood, digestion, sleep and more.
Selective Serotonin Reuptake Inhibitors: Uses & Side Effects
Sep 26, 2025 · What Are SSRIs? SSRIs (selective serotonin reuptake inhibitors) are a common type of antidepressant. They work by changing the activity of serotonin, a chemical that affects …
Neurotransmitters: What They Are, Functions & Types
Mar 14, 2022 · Serotonin helps regulate mood, sleep patterns, sexuality, anxiety, appetite and pain. Diseases associated with serotonin imbalance include seasonal affective disorder, …
Buspirone (BuSpar): How It Works & Side Effects - Cleveland Clinic
Serotonin syndrome is when your body has too much serotonin in it. This happens when this medication is used with other ones that increase serotonin levels. Common medications that …
Carcinoid Syndrome: Symptoms, Causes, Diagnosis & Treatment
Jun 14, 2023 · Depression: Carcinoid syndrome may affect your body’s ability to process tryptophan, an essential amino acid that helps to make serotonin. Serotonin is a brain …
MAOIs (Monoamine Oxidase Inhibitors): What They Are & Uses
Aug 30, 2023 · Serotonin syndrome is a potentially life-threatening drug reaction that results from having too much serotonin in your body. Serotonin syndrome is rare, but it can happen when …
Amitriptyline: Uses & Side Effects - Cleveland Clinic
It increases the amount of serotonin and norepinephrine in the brain, hormones that help regulate mood. It belongs to a group of medications called tricyclic antidepressants (TCAs).