neobookRx
DrugsLevel 4 LocalisationS6TAB · SRTEML

Tapentadol Hydrochloride

OpioidAnalgesic

Indications

Registered South African indications:

  • Pain

Cautions

Contraindications

  • Hypersensitivity to the active ingredient or any of its excipients
  • Significant respiratory depression
  • Acute or severe bronchial asthma or hypercapnia
  • Known or suspected paralytic ileus 
  • Acute intoxication with alcohol, hypnotics, centrally acting analgesics, or psychotropic active substances 

Cautions

  • Pregnancy
  • Breastfeeding
  • Severe renal impairment
  • Moderate to severe hepatic impairment
  • Elderly
  • History of substance abuse, abuse potential or dependence
  • Impaired respiratory function
  • Raised intracranial pressure
  • Impaired consciousness
  • Coma
  • Head injury
  • Brain tumor
  • History of seizure disorder
  • Biliary tract disease
  • Acute pancreatitis
  • Galactose intolerance
  • Lapp lactase deficiency
  • Glucose-galactose malabsorption
  • May impair ability to drive and operate machinery

Adult dosage

Forms avail. in SA and covered in this monograph: tab, slow release tab (SR tab)

Pain 
- Acute, moderately severe post-operative pain

  • Oral (tab): 50-100mg, 4-6hrly; Max duration: 10 days; Max: 600mg/24hrs

First day of dosing: The second dose may be admin. as soon as 1hr after first dose if adequate pain relief is not achieved. Max. dose on first day: 700mg


Pain
- Moderate to severe chronic pain
- Unresponsive to non-narcotic analgesia

  • Oral (SR tab): Initial: 50mg, 12hrly; Titrate by 50mg, 12hrly at intervals of 3 days; Max: 500mg/24hrs

When switching from opioids to tapentadol, the nature of the previous medication, administration and mean daily dose should be considered when choosing the initial dose of tapentadol


Gradual discontinuation advised due to risk of withdrawal

Paediatric dosage

Not established for use in children below 18 years

Special populations

Adverse reactions

Central Nervous System Disorders

  • Anxiety
  • Confusional state
  • Hallucination
  • Sleep disorder
  • Abnormal dreams
  • Depressed mood
  • Disorientation
  • Agitation
  • Nervousness
  • Restlessness
  • Euphoric mood
  • Abnormal thinking
  • Dizziness
  • Somnolence
  • Headache
  • Tremor
  • Disturbance in attention
  • Memory impairment
  • Presyncope
  • Sedation
  • Ataxia
  • Dysarthria
  • Hypoaesthesia
  • Paraesthesia
  • Involuntary muscle contractions 
  • Seizures
  • Depressed level of consciousness
  • Abnormal coordination
  • Fatigue
  • Feeling of body temperature change
  • Feeling abnormal
  • Feeling drunk
  • Feeling of relaxation
  • Irritability

Cardiovascular Disorders

  • Increased heart rate
  • Palpitations
  • Decreased heart rate 
  • Flushing
  • Deceased blood pressure
  • Oedema

Respiratory Disorders

  • Respiratory depression
  • Decreased oxygen saturation
  • Dyspnoea

Gastrointestinal Disorders

  • Nausea and vomiting
  • Constipation
  • Diarrhoea
  • Dyspepsia
  • Dry mouth
  • Abdominal discomfort
  • Impaired gastric emptying

Genitourinary Disorders

  • Urinary hesitation
  • Pollakiuria

Endocrine and Metabolic Disorders

  • Decreased appetite

Musculoskeletal Disorders

  • Muscle spasms
  • Sensation of heaviness

Skin and Subcutaneous Tissue Disorders

  • Pruritus
  • Hyperhidrosis
  • Rash
  • Urticaria

Immune, Blood and Lymphatic System Disorders

  • Drug Hypersensitivity

Sensory Disorders

  • Visual disturbance

Others

  • Drug withdrawal syndrome

Interactions

  • Central nervous system depressant agents
  • Mixed mu-opioid agonist/antagonists 
  • Partial mu-opioid agonists
  • Serotoninergic agents
  • UGT inhibitors
  • CYP450 enzyme-inducers
  • Monoamine oxidase inhibitors 

Monitoring

None routine. Specific cases may require

  • Respiratory function
  • Cardiovascular function
  • Vital signs

Mechanism of action

Tapentadol is a strong analgesic with µ-agonistic opioid and additional noradrenaline reuptake inhibition properties, which results in increased levels of extracellular norepinephrine.

Dosage forms

  • Tablet
  • Slow release tablet

Formulation

Tablet 50mg

  • Palexia (Janssen Pharma)

Tablet 100mg

  • Palexia (Janssen Pharma)

Tablet sr 50mg

  • Palexia SR (Janssen Pharma)

Tablet sr 100mg

  • Palexia SR (Janssen Pharma)

Tablet sr 200mg

  • Palexia SR (Janssen Pharma)

References

1. https://drive.google.com/drive/folders/1m8zdBx2Syf8jqsi8rNrUl3aIVPhQy-M5 (06/2017_Janssen_Palexia_50mg, 100mg) 2. https://www.medicines.org.uk/emc/product/5159/smpc (07/2014_Grunenthal_Palexia_50mg_tab) 3. https://drive.google.com/drive/folders/1m8zdBx2Syf8jqsi8rNrUl3aIVPhQy-M5 (02/06/2017_Janssen_Palexia SR_ 50mg, 100mg, 200mg) 4. https://www.drugs.com/pregnancy/tapentadol.html (pregnancy) 5.https://www.uptodate.com/contents/tapentadol-drug-information?search=tapentadol&source=search_result&selectedTitle=1~10&usage_type=default&display_rank=1 6. https://www.drugbank.ca/drugs/DB06204 7. https://www.medicines.org.uk/emc/product/5158/smpc (02/2018_Grunenthal_Palexia_SR 50mg, 100mg, 150mg, 200mg, 250mg)

Brands & products

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

tabletGeneric· 2 products

from R24.40/unit
ProductStrengthPackSchedSEPUnitDisp feeNAPPI
Palexia50 mg30S6R731.87R24.40R192.13723868001
Palexia100 mg30S6R856.38R28.55R210.45723874001

SrtGeneric· 3 products

from R30.94/unit
ProductStrengthPackSchedSEPUnitDisp feeNAPPI
Palexia sr50 mg30S6R928.26R30.94R221.02723876001
Palexia sr100 mg30S6R1216.14R40.54R263.38723877001
Palexia sr200 mg30S6R1795.43R59.85R313.33723879001
Trade names (1)
  • Palexia

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.

NeoHealth® ID 16300 · updated 10/28/2022