Image Caption : Neurotransmitter Reuptake Inhibitor : The SNRIs take advantage of serotonin's positive effects, plus add in benefits from blocking the reuptake of norepinephrine. These medications have been available since the early 1990s, and, like the SSRIs, are generously better tolerated, and safer in overdose than the tricyclics.
Also called: Selective serotonin reuptake inhibitors, SSRIs, Tricyclic antidepressants
Antidepressants are medicines that treat depression. Your doctor can prescribe them for you. They work to balance some of the natural chemicals in our brains. It may take several weeks for them to help. There are several types of antidepressants. You and your doctor may have to try a few before finding what works best for you.
Antidepressants may cause mild side effects that usually do not last long. These may include headache, nausea, sleep problems, restlessness, and sexual problems. Tell your doctor if you have any side effects. You should also let your doctor know if you take any other medicines, vitamins, or herbal supplements.
It is important to keep taking your medicines, even if you feel better. Do not stop taking your medicines without talking to your doctor. You often need to stop antidepressants gradually.
NIH: National Institute of Mental Health
A reuptake inhibitor (RI) is a type of reuptake modulator which inhibits the plasmalemmal transporter-mediated reuptake of a neurotransmitter from the synapse into the pre-synaptic neuron, leading to an increase in the extracellular concentrations of the neurotransmitter and therefore an increase in neurotransmission. Various drugs to exert their psychological and physiological effects through reuptake inhibition, including many antidepressants and psychostimulants.
Most known reuptake inhibitors affect the monoamine neurotransmitters serotonin, norepinephrine (and epinephrine), and dopamine. However there are also a number of pharmaceuticals and research chemicals that act as reuptake inhibitors for other neurotransmitters such as glutamate, γ-aminobutyric acid (GABA), glycine, adenosine, choline (the precursor of acetylcholine), and the endocannabinoids, among others.
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