Now there are some reasons why you would want to feed fish oil, and in the next article, weâll discuss what those reasons would be and how to find the best fish oil for your dogâs diet (yes, not all fish oils are made the same).
1 Tricyclic antidepressants (TCAs) are some of the first antidepressants used to treat depression. 2  They primarily affect the levels of two chemical messengers (neurotransmitters), norepinephrine and serotonin, in the brain.
Types of Antidepressants. There are many different antidepressant types available on the market today. Selective serotonin reuptake inhibitors and serotonin-norepinephrine reuptake inhibitors are some of the newer (and more commonly used) depression medications.