Antidepressants are a class of medications primarily used to treat depression by affecting neurotransmitters (chemical messengers) in the brain. It influences hormones like serotonin, norepinephrine, and dopamine, which are all involved in regulating our mood.

These drugs can also be prescribed for other mental health conditions at times, such as anxiety disorders, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), and sometimes chronic pain.