SSRIs

Definition

SSRIs, or selective serotonin reuptake inhibitors, are a type of antidepressant medication that work by increasing the levels of serotonin in the brain. Serotonin is a neurotransmitter that plays a key role in regulating mood, and low levels of serotonin have been linked to depression.

Related terms

Neurotransmitters:

Chemical messengers that transmit signals between nerve cells in the brain.

Reuptake:

The process by which neurotransmitters are taken back up into the nerve cells after they have been released.

Depression:

A mental health disorder characterized by persistent feelings of sadness, hopelessness, and loss of interest or pleasure in activities.