Psychiatry Drugs

123 drugs

Quick-reference dosing for 123 psychiatry medicines, aligned to current UK formularies. Each entry lists adult, paediatric and (where relevant) neonatal doses, renal and hepatic adjustments, contraindications, key interactions, monitoring and clinical pearls — with the source reference. Always confirm doses against current prescribing references before prescribing.

Acamprosate calcium

Glutamate modulator (anti-craving)
Acamprosate Calcium

Anti-craving Agent — Alcohol Relapse Prevention (GABA/Glutamate Modulator)
Agomelatine

Melatonin Receptor Agonist / 5-HT2C Antagonist
Alimemazine tartrate

Sedating antihistamine (phenothiazine)
Alprazolam

Benzodiazepine (short-acting)
Amisulpride

Atypical (Second-generation) Antipsychotic — Benzamide
Amitriptyline

Tricyclic Antidepressant (TCA)
Amitriptyline Hydrochloride

Tricyclic Antidepressant (TCA)
Aripiprazole

Atypical Antipsychotic (Partial D2 Agonist)
Asenapine

Atypical (Second-generation) Antipsychotic — Sublingual
Atomoxetine

Selective Noradrenaline Reuptake Inhibitor (SNRI) — Non-stimulant ADHD Treatment
Benperidol

First-generation antipsychotic (butyrophenone)
Brexpiprazole

Atypical Antipsychotic — D2/5-HT1A Partial Agonist (Schizophrenia / Adjunct MDD)
Buprenorphine (Opioid Dependence)

Partial Opioid Agonist (Opioid Substitution Therapy)
Buprenorphine with naloxone

Partial mu-agonist + opioid antagonist (opioid dependence)
Bupropion (Smoking Cessation)

Dopamine/Noradrenaline Reuptake Inhibitor (DNRI) — Smoking Cessation
Buspirone

Azapirone — Non-benzodiazepine Anxiolytic
Buspirone hydrochloride

5-HT₁A partial agonist (anxiolytic)
Carbamazepine (Psychiatric Use)

Mood Stabiliser (Sodium Channel Blocker) — Bipolar Disorder
Cariprazine

Atypical (Second-generation) Antipsychotic — Dopamine D3/D2 Partial Agonist
Chlordiazepoxide

Benzodiazepine (long-acting)
Chlordiazepoxide hydrochloride

Long-acting benzodiazepine
Chlorpromazine

Typical (First-generation) Antipsychotic — Low-potency
Chlorpromazine hydrochloride

Typical (low-potency) antipsychotic
Citalopram

SSRI (Selective Serotonin Reuptake Inhibitor)
Clomethiazole

Sedative-hypnotic (thiamine analogue)
Clomipramine

Tricyclic Antidepressant (TCA) — OCD Specialist
Clomipramine hydrochloride

Tricyclic antidepressant
Clonazepam (Psychiatric Use)

Benzodiazepine — Long-acting
Clonidine

Alpha-2 Adrenoceptor Agonist (ADHD / Opioid Withdrawal / Tic Disorders)
Clozapine

Atypical antipsychotic (treatment-resistant schizophrenia)
Cyproheptadine

Antidote / Antihistamine
Daridorexant

Dual orexin receptor antagonist
Dexamfetamine

CNS Stimulant (ADHD / Narcolepsy)
Dexamfetamine sulfate

CNS stimulant (Schedule 2 CD)
Diazepam

Benzodiazepine (long-acting)
Diazepam (Anxiolytic/Sedative)

Benzodiazepine (anxiolytic, sedative, muscle relaxant)
Disulfiram

Alcohol Deterrent (Aldehyde Dehydrogenase Inhibitor)
Donepezil hydrochloride

Acetylcholinesterase inhibitor
Dosulepin hydrochloride

Tricyclic antidepressant
Doxepin

Tricyclic antidepressant / topical antipruritic
Duloxetine

SNRI (Serotonin-Noradrenaline Reuptake Inhibitor)
Escitalopram

SSRI (Selective Serotonin Reuptake Inhibitor)
Esketamine

NMDA Receptor Antagonist (Treatment-Resistant Depression / Acute Suicidality)
Eszopiclone

Non-benzodiazepine hypnotic (Z-drug; cyclopyrrolone S-isomer of zopiclone)
Fluoxetine

SSRI (Selective Serotonin Reuptake Inhibitor)
Flupentixol

Typical Antipsychotic (Thioxanthene) — Also Used as Low-dose Antidepressant
Flupentixol decanoate

Typical depot antipsychotic
Flurazepam

Long-acting benzodiazepine hypnotic
Fluvoxamine

SSRI (Selective Serotonin Reuptake Inhibitor) — OCD Specialist
Fluvoxamine maleate

SSRI
Guanfacine

Centrally acting α2A agonist
Guanfacine (Extended-Release)

Alpha-2A Adrenoceptor Agonist (ADHD — Non-Stimulant)
Haloperidol

Typical antipsychotic (butyrophenone)
Haloperidol decanoate

Typical depot antipsychotic
Hydroxyzine

Antihistamine (H1) — Anxiolytic / Sedative
Hydroxyzine hydrochloride

Sedating H1 antihistamine
Imipramine

Tricyclic Antidepressant (TCA)
Imipramine hydrochloride

Tricyclic antidepressant
Isocarboxazid

Non-selective irreversible MAOI
Lamotrigine (Psychiatric Use)

Mood Stabiliser (Sodium Channel Blocker) — Bipolar Depression
Levomepromazine

Phenothiazine antipsychotic / antiemetic
Lisdexamfetamine

CNS Stimulant (Prodrug) — Schedule 2 Controlled Drug (ADHD / Binge Eating Disorder)
Lisdexamfetamine mesilate

Amphetamine prodrug stimulant
Lithium carbonate

Mood stabiliser
Lithium Carbonate

Mood stabiliser
Lithium citrate

Mood stabiliser (liquid)
Lofepramine

Tricyclic antidepressant
Lofexidine hydrochloride

α2 adrenergic agonist
Loprazolam

Short-acting benzodiazepine hypnotic
Lorazepam (Psychiatric/Acute Use)

Benzodiazepine — Short-acting
Lormetazepam

Short-acting benzodiazepine hypnotic
Loxapine

Atypical antipsychotic (inhalation)
Lumateperone

Atypical Antipsychotic — Multimodal (Schizophrenia / Bipolar Depression)
Lurasidone

Atypical (Second-generation) Antipsychotic
Lurasidone hydrochloride

Atypical antipsychotic
Melatonin

Melatonin Receptor Agonist — Hypnotic
Methadone hydrochloride

Long-acting synthetic opioid
Methylphenidate

CNS Stimulant — Schedule 2 Controlled Drug (ADHD Treatment)
Methylphenidate hydrochloride

CNS stimulant
Mianserin hydrochloride

Tetracyclic antidepressant
Mirtazapine

Noradrenergic and Specific Serotonergic Antidepressant (NaSSA)
Moclobemide

RIMA (Reversible Inhibitor of Monoamine Oxidase A)
Modafinil

Wakefulness-Promoting Agent (Narcolepsy / OSAHS / Shift Work)
Modafinil

Wakefulness-promoting agent
Nalmefene

Opioid Receptor Modulator (Alcohol Dependence — 'As-Needed' Therapy)
Nalmefene

Opioid receptor modulator
Naltrexone

Opioid Receptor Antagonist
Naltrexone hydrochloride

Long-acting μ-opioid antagonist
Nitrazepam

Benzodiazepine Hypnotic — Long-acting
Nortriptyline

Tricyclic Antidepressant (TCA) — Active Metabolite of Amitriptyline
Olanzapine

Atypical antipsychotic (second generation)
Olanzapine embonate

Atypical depot antipsychotic
Oxazepam

Short-acting benzodiazepine
Paliperidone

Atypical (Second-generation) Antipsychotic — Active Metabolite of Risperidone
Paroxetine

SSRI (Selective Serotonin Reuptake Inhibitor)
Pericyazine

First-generation antipsychotic (phenothiazine)
Phenelzine

MAOI (Irreversible Monoamine Oxidase Inhibitor)
Pimavanserin

Atypical Antipsychotic — Selective 5-HT2A Inverse Agonist (Parkinson's Disease Psychosis)
Pimozide

First-generation antipsychotic (diphenylbutylpiperidine)
Pregabalin (Psychiatric Use — GAD)

Alpha-2-delta Ligand (Voltage-gated Calcium Channel Modulator) — Anxiolytic
Promazine hydrochloride

First-generation antipsychotic (aliphatic phenothiazine)
Quetiapine

Atypical antipsychotic (second generation)
Reboxetine

NRI (Selective Noradrenaline Reuptake Inhibitor)
Risperidone

Atypical Antipsychotic (D2/5-HT2A Antagonist)
Sertraline

SSRI (Selective Serotonin Reuptake Inhibitor)
Sodium Valproate (Psychiatric use)

Mood stabiliser / Antiepileptic
St John's wort

Herbal antidepressant (Hypericum perforatum)
Sulpiride

First-generation antipsychotic (substituted benzamide)
Temazepam

Benzodiazepine Hypnotic — Schedule 3 Controlled Drug
Tranylcypromine

Non-selective irreversible MAOI
Trazodone

SARI (Serotonin Antagonist and Reuptake Inhibitor)
Trazodone hydrochloride

Serotonin antagonist & reuptake inhibitor (SARI)
Trifluoperazine

First-generation antipsychotic (piperazine phenothiazine)
Trimipramine

Tricyclic antidepressant (sedating)
Tryptophan

Amino acid (serotonin precursor)
Varenicline

α4β2 nicotinic partial agonist
Venlafaxine

Serotonin-Noradrenaline Reuptake Inhibitor (SNRI)
Vortioxetine

Multimodal Antidepressant — Serotonin Modulator
Ziprasidone

Atypical Antipsychotic — D2/5-HT2A Antagonist (Low Metabolic Risk)
Zolpidem tartrate

Non-benzodiazepine hypnotic (Z-drug)
Zopiclone

Non-Benzodiazepine Hypnotic (Z-Drug)
Zuclopenthixol

Typical Antipsychotic (Thioxanthene) — Oral and Depot Formulations