neobookRx
DrugsLevel 4 LocalisationS5CAP · TABEML

Dosulepin

Non-selective monoamine reuptake inhibitorAntidepressant

Indications

Registered South African indications: 

  • Depression

Cautions

Contraindications

  • Hypersensitivity to the active ingredient or any of its excipients 
  • Acute phase of myocardial infarction 
  • Heart block
  • Pregnancy < 12 weeks

Cautions

  • Pregnancy > 12 weeks
  • Renal impairment 
  • Hepatic impairment 
  • Elderly 
  • Children
  • Porphyria 
  • Hyperthyroidism 
  • Epilepsy 
  • Closed angle glaucoma
  • Urinary retention 
  • Prostatic hypertrophy 
  • Constipation
  • Diabetes mellitus 
  • May impair ability to drive and operate machinery 

Adult dosage

Forms avail. in SA and covered in this monograph: cap, tab 

Depression 

  • Oral (cap, tab): Initial: 25mg, 8hrly; Maintenance: 75-150mg, dly

Maintenance dose can be given as a single dose at night or in 3 divided doses

Paediatric dosage

No information available 

Special populations

Pregnancy

Breastfeeding

Renal Impairment

Hepatic Impairment

Elderly 

Porphyria Information

Drugs in Sport

  • Permitted - No warning

Adverse reactions

Central Nervous System Disorders

  • Drowsiness
  • Insomnia
  • Nervousness
  • Headache
  • Peripheral neuropathy 
  • Tremor
  • Dizziness
  • Ataxia
  • Fatigue
  • Seizures
  • Speech difficulty 
  • Confusion 
  • Delirium 

Cardiovascular Disorders

  • Palpitations
  • Tachycardia 
  • Orthostatic hypotension
  • Hypertension 
  • Conduction defects
  • Cardiac arrhythmias
  • Sudden death

Gastrointestinal Disorders

  • Dry mouth
  • Constipation 
  • Paralytic ileus 
  • Stomatitis 
  • Nausea and vomiting
  • Gastric irritation

Hepatobiliary Disorders

  • Cholestatic jaundice  

Genitourinary Disorders

  • Urinary retention
  • Impotence 

Endocrine and Metabolic Disorders

  • Anorexia
  • Increased weight
  • Decreased weight
  • Inappropriate appetite

Musculoskeletal Disorders

  • Weakness 

Skin and Subcutaneous Tissue Disorders

  • Allergic skin reactions
  • Photosensitivity 

Immune, Blood and Lymphatic System Disorders

  • Eosinophilia 
  • Bone marrow depression 
  • Thrombocytopaenia
  • Leucopaenia 
  • Agranulocytosis 

Sensory Disorders

  • Sour or metallic taste 
  • Blurred vision
  • Disturbances in accommodation 

Interactions

  • Central nervous system depressants 
  • Monoamine oxidase inhibitors 
  • Local anaesthetics 
  • Sympathomimetic agents 
  • Anticholinergics 
  • Antihypertensives
  • Neuroleptics
  • Cimetidine
  • Antiepileptics 
  • Barbiturates 
  • Methylphenidate
  • Oral contraceptives
  • Oestrogens 
  • Thyroid preparations 
  • Clonidine
  • Guanethidine
  • Bethanidine 
  • Debrisoquine

Monitoring

None routine 

Mechanism of action

Dosulepin binds to the noradrenaline and serotonin transporter in an equipotent manner and inhibits the reuptake activity, thereby increasing the free levels of noradrenaline and serotonin at the synaptic cleft.

Dosage forms

  • Capsule
  • Tablet

Formulation

Capsule 25mg

  • Prothiaden (Abbott) originator
  • Thaden (Pharmacare)

Tablet 75mg

  • Sandoz Dothiepin (Sandoz)
  • Thaden (Pharmacare)

References

1. SAMF_12th Edition_Page 494 2. https://drive.google.com/drive/folders/0B0xnChtF7vduOU9MaEhHVm1RRWs (13/02/1992_Pharmacare_Thaden_25mg cap_75mg_tab) 3. https://www.drugs.com/breastfeeding/dothiepin.html ** No SPC or UTD available

Brands & products

1 product · stale NAPPI snapshot · refreshed 5/28/2026 · 159 days old

capsuleGeneric· 1 product

from R5.04/unit
ProductStrengthPackSchedSEPUnitDisp feeNAPPI
Prothiaden25 mg100S5R503.88R5.04R158.59757888003
Trade names (3)
  • Dosulepin (syn.Dothiepin)Prothiaden
  • Sandoz Dothiepin
  • Thaden

Medical aid coverage

data not yet integrated
Discovery Health
not yet integrated
  • Comprehensive Series—
  • Executive Plan—
  • KeyCare Series—
  • Priority Series—
  • Saver Series—

Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.

Bonitas Medical Fund
not yet integrated
  • BonClassic—
  • BonComprehensive—
  • BonEssential—
  • BonFit Select—
  • BonSave—
  • BonStart—

Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.

GEMS — Government Employees Medical Scheme
not yet integrated
  • Beryl—
  • Emerald—
  • Onyx—
  • Ruby—
  • Sapphire—
  • Tanzanite One—

Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.

POLMED — Police Medical Aid Scheme
not yet integrated
  • Aquarium Option—
  • Efficiency Option—
  • Marine Option—

Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.

Interacts with 3 known drugs

Check against other drugs →
NeoHealth® ID 16443 · updated 10/31/2022