Citalopram (Celexa)
Escitalopram (Lexapro, Cipralex)
Paroxetine (Paxil, Seroxat)
Fluoxetine (Prozac)
Fluvoxamine (Luvox)
Sertraline (Zoloft, Lustral)
Zimelidine (Normud, Zelmid) and indalpine (Upstene) were also formerly used as antidepressants, but were withdrawn from the market.
Desvenlafaxine (Pristiq)
Duloxetine (Cymbalta)
Levomilnacipran (Fetzima)
Milnacipran (Ixel, Savella)
Tofenacin (Elamol, Tofacine)
Venlafaxine (Effexor)
Serotonin modulators and stimulators (SMSs)
Vilazodone (Viibryd)
Vortioxetine (Trintellix)
These drugs act as serotonin reuptake inhibitors and agonize/antagonize various serotonin receptors.
Serotonin antagonists and reuptake inhibitors (SARIs)
Etoperidone (Axiomin, Etonin)
Nefazodone (Nefadar, Serzone) – withdrawn/discontinued in some countries
Trazodone (Desyrel)
These drugs act as antagonists of various serotonin receptors and as monoamine reuptake inhibitors to a lesser extent.
Reboxetine (Edronax)
Viloxazine (Vivalan)
Atomoxetine (Strattera) is also sometimes used as an antidepressant, but is not specifically approved for this purpose.
Amitriptyline (Elavil, Endep)
Amitriptylinoxide (Amioxid, Ambivalon, Equilibrin)
Clomipramine (Anafranil)
Desipramine (Norpramin, Pertofrane)
Dibenzepin (Noveril, Victoril)
Dimetacrine (Istonil)
Dosulepin (Prothiaden)
Doxepin (Adapin, Sinequan)
Imipramine (Tofranil)
Lofepramine (Lomont, Gamanil)
Melitracen (Dixeran, Melixeran, Trausabun)
Nitroxazepine (Sintamil)
Nortriptyline (Pamelor, Aventyl)
Noxiptiline (Agedal, Elronon, Nogedal)
Pipofezine (Azafen/Azaphen)
Protriptyline (Vivactil)
Trimipramine (Surmontil)
Butriptyline (Evadyne), demexiptiline (Deparon, Tinoran), imipraminoxide (Imiprex, Elepsin), iprindole (Prondol, Galatur, Tetran), metapramine (Timaxel), propizepine (Depressin, Vagran), and quinupramine (Kinupril, Kevopril) were also formerly marketed, but have since been discontinued.
The following are also TCAs, but are atypical pharmacologically:
Opipramol (Insidon) – sigma (σ1 and σ2) receptor agonist
Tianeptine (Stablon) – unknown/unclear mechanism of action
Amineptine (Survector, Maneon) is another atypical TCA, acting as a norepinephrine-dopamine reuptake inhibitor (NDRI), but was withdrawn from the market.
Tiazesim (Altinil) is technically not a TCA, but it is a heterocyclic antidepressant that is very closely related, and similarly to various TCAs, it is no longer marketed.
Amoxapine (Asendin)
Maprotiline (Ludiomil)
Mianserin (Bolvidon, Norval, Tolvon)
Mirtazapine (Remeron)
Setiptiline (Tecipul)
Mianserin, mirtazapine, and setiptiline are also sometimes described as noradrenergic and specific serotonergic antidepressants (NaSSAs).
Isocarboxazid (Marplan)
Phenelzine (Nardil)
Tranylcypromine (Parnate)
Many others, including benmoxin (Neuralex), iproclozide (Sursum), iproniazid (Marsilid), mebanazine (Actomol), nialamide (Niamid), octamoxin (Ximaol), pheniprazine (Catron), phenoxypropazine (Drazine), pivhydrazine (Tersavid), and safrazine (Safra) were used as antidepressants in the past, but have since been discontinued.
Selegiline (Eldepryl, Zelapar, Emsam)
Caroxazone (Surodil, Timostenil) was formerly used as an antidepressant, but has been discontinued.
Metralindole (Inkazan)
Moclobemide (Aurorix, Manerix)
Pirlindole (Pirazidol)
Toloxatone (Humoryl)
These drugs are sometimes described as reversible inhibitors of MAO-A (RIMAs).
Eprobemide (Befol) and minaprine (Brantur, Cantor) were also formerly used as antidepressants, but have been discontinued.
Amisulpride (Solian) – specifically approved as a monotherapy for dysthymia
Lurasidone (Latuda) – specifically approved as a monotherapy for depressive episodes in bipolar disorder
Quetiapine (Seroquel) – specifically approved as a monotherapy for depressive episodes in bipolar disorder
Agomelatine (Valdoxan) – 5-HT2C receptor antagonist and MT1 and MT2 receptor agonist
Bifemelane (Alnert, Celeport) – RIMA, irreversible inhibitor of MAO-B, and weak NRI
Bupropion (Wellbutrin) – NRI and non-competitive antagonist of various neuronal nACh receptors
Ketamine (Ketalar) – non-competitive NMDA receptor antagonist – not specifically approved for depression (used off-label)[1]
Tandospirone (Sediel) – 5-HT1A receptor partial agonist
Teniloxazine (Lucelan, Metatone) – NRI and 5-HT2A receptor antagonist
α-Methyltryptamine [αMT] (Indopan) – multiple serotonin receptor agonist, serotonin-norepinephrine-dopamine releasing agent (SNDRA), and weak RIMA
Etryptamine [α-Ethyltryptamine (αET)] (Monase) – multiple serotonin receptor agonist, SNDRA, and weak RIMA
Indeloxazine (Elen, Noin) – serotonin releasing agent (SRA), NRI, and NMDA receptor antagonist
Medifoxamine (Clédial, Gerdaxyl) – weak serotonin-dopamine reuptake inhibitor (SDRI) and 5-HT2A and 5-HT2C receptor antagonist
Nomifensine (Merital, Alival) – NDRI
Oxaflozane (Conflictan) – 5-HT1A, 5-HT2A, and 5-HT2C receptor agonist
Pivagabine (Tonerg) – unknown/unclear mechanism of action
The following antidepressants are available both with a prescription and over-the-counter:
Ademetionine [S-Adenosyl-L-methionine (SAMe)] (Heptral, Transmetil, Samyl) – cofactor in monoamine neurotransmitter biosynthesis
Hypericum perforatum [St. John's Wort (SJW)] (Jarsin, Kira, Movina) – TRPC6 activator, and various other actions
Oxitriptan [5-Hydroxytryptophan (5-HTP)] (Cincofarm, Levothym, Triptum) – precursor in serotonin biosynthesis
Tryptophan (Tryptan, Optimax, Aminomine) – precursor in serotonin biosynthesis
Aripiprazole (Abilify) – specifically approved as an adjunct for major depressive disorder
Brexpiprazole (Rexulti) – specifically approved as an adjunct for major depressive disorder
Lurasidone (Latuda) – specifically approved as an adjunct for depressive episodes in bipolar disorder
Olanzapine (Zyprexa) – specifically approved as an adjunct for major depressive disorder
Quetiapine (Seroquel) – approved as an adjunct for both major depressive disorder and depressive episodes in bipolar disorder
Risperidone (Risperdal) – not specifically approved as an adjunct for major depressive disorder (used off-label)
Buspirone (BuSpar) – 5-HT1A receptor partial agonist – not specifically approved for depression (used off-label)
Lithium (Eskalith, Lithobid) – mood stabilizer (exact mechanism of action unknown) – not specifically approved for depression (used off-label)
Thyroxine (T4) – thyroid hormone (THR agonist) – not specifically approved for depression (used off-label)
Triiodothyronine (T3) – thyroid hormone (THR agonist) – not specifically approved for depression (used off-label)
Amitriptyline/perphenazine (Etafron) – TCA and typical antipsychotic combination
Flupentixol/melitracen (Deanxit) – TCA and typical antipsychotic combination
Olanzapine/fluoxetine (Symbyax) – SSRI and atypical antipsychotic combination – specifically approved as a monotherapy for depressive episodes in bipolar disorder
Tranylcypromine/trifluoperazine (Parstelin, Parmodalin, Jatrosom N, Stelapar) – MAOI and typical antipsychotic combination
Apimostinel (NRX-1074) – NMDA receptor glycine site partial agonist[4]
AV-101 (4-chlorokynurenine) – NMDA receptor glycine site antagonist[5]
Basimglurant (RG7090) – mGlu5 receptor negative allosteric modulator[6]
CERC-301 (MK-0657) – NMDA receptor subunit 2B (NR2B) antagonist[7]
Esketamine (JNJ-54135419, Ketanest S) – non-competitive NMDA receptor antagonist[8]
EVT-101 (ENS-101) – NR2B antagonist[9]
EVT-103 (ENS-103) – NR2B antagonist[10]
Ketamine (Ketalar) – non-competitive NMDA receptor antagonist[11]
Rapastinel (GLYX-13) – NMDA receptor glycine site partial agonist[12]
Ademetionine (SAMe; MSI-190, MSI-195, Strada) – cofactor in monoamine neurotransmitter biosynthesis – specifically under development in the United States and Europe for the adjunctive treatment of MDD[13]
Amitifadine (DOV-21,947, EB-1010) – serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI)[14]
AN-788 (NSD-788) – SDRI[15]
Ansofaxine (LY03005, LPM570065) – SNDRI[16]
Aripiprazole/sertraline (ASC-01) – AA and SSRI combination[17]
Cariprazine (Vraylar) – AA – specifically under development for the adjunctive treatment of MDD and as a monotherapy for depressive episodes in bipolar disorder[18]
Gepirone (TGFK07AD, Travivo) – 5-HT1A receptor partial agonist[19]
Lumateperone (ITI-007) – AA – specifically under development for the treatment of depressive episodes in bipolar disorder[20]
Lurasidone (Latuda) – AA – specifically under development for the treatment of MDD[21]
MIN-117 (WF-516) – SDRI, 5-HT1A receptor antagonist, 5-HT2A, α1A-adrenergic, and α1B-adrenergic receptor ligand[22]
RP-5063 (RP-5000) – AA – specifically under development for the treatment of MDD and depressive episodes in bipolar disorder[23]
TGBA01AD – SRI, 5-HT1A and 5-HT1D receptor agonist, and 5-HT2 receptor antagonist[24]
Buprenorphine/samidorphan (ALKS-5461) – κ-opioid receptor antagonist[25]
CERC-501 (LY-2456302) – κ-opioid receptor antagonist[26]
LY-2940094 – nociceptin receptor antagonist[27]
Bupropion/dextromethorphan (AXS-05) – non-competitive NMDA receptor antagonist, σ1 receptor agonist, SNRI, and non-competitive antagonist of various neuronal nACh receptors[28]
Cycloserine/lurasidone (Cyclurad) – NMDA receptor glycine site partial agonist and AA combination – specifically under development for the treatment of depressive episodes in bipolar disorder[29]
Dextromethorphan/quinidine (AVP-786/AVP-923) – non-competitive NMDA receptor antagonist, σ1 receptor agonist, and SNRI[30]
Tramadol (ETS6103/Viotra) – μ-opioid receptor agonist, SRA, NRI, and 5-HT2C receptor antagonist[31]
3β-Methoxypregnenolone (MAP-4343) – selective microtubule-associated protein 2 (MAP2) stimulant[32]
Brexanolone (allopregnanolone; SAGE-547) – GABAA receptor positive allosteric modulator – specifically under development for the treatment of postpartum depression[33]
JNJ-39393406 – α7 nACh receptor positive allosteric modulator[34]
JNJ-42847922 (MIN-202, JNJ-922) – OX2 receptor antagonist[35]
NNI-351 – DYRK1A inhibitor/"nerve growth factor stimulant"[36]
NSI-189 – hippocampal neurotrophin (precise mechanism of action unknown)[37]
OnabotulinumtoxinA (botulinum toxin A, Botox) – acetylcholine release inhibitor – specifically under development for the treatment of MDD in women as a local injection to paralyze facial muscles[38]
PH-10 – vomeropherine (precise mechanism of action unknown/undisclosed)[39]
Sirukumab (CNTO-136) – monoclonal antibody against interleukin-6[40]
TS-121 – vasopressin 1B receptor antagonist[41]