<unk> , sold under the brand names Gamanil, Lomont, and Tymelyt among others, is a tricyclic antidepressant (TCA) which is used to treat depression. The TCAs are so named as they share the common property of having three rings in their chemical structure. Like most TCAs<unk>  is believed to work in relieving depression by increasing concentrations of the neurotransmitters norepinephrine and serotonin in the synapse, by inhibiting their reuptake. It is usually considered a third-generation TCA, as unlike the first- and second-generation TCAs it is relatively safe in overdose and has milder and less frequent side effects.<unk>  is not available in the United States, Canada, Australia or New Zealand, although it is available in Ireland, Japan, South Africa and the United Kingdom, among other countries.
Lofepramine
Diphenhydramine
Sibutramine
Dezocine
Palonosetron
Zotepine
Avacopan
Quinupramine