Tapentadol Hydrochloride
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
Pregnancy
Breastfeeding
Renal impairment
Hepatic impairment
- Mild: No dose adjustment recommended
- Moderate: Caution; dose adjustment recommended
- Severe: Caution; no information available
Elderly
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 oldtabletGeneric· 2 products
from R24.40/unit| Product | Strength | Pack | Sched | SEP | Unit | Disp fee | NAPPI |
|---|---|---|---|---|---|---|---|
| Palexia | 50 mg | 30 | S6 | R731.87 | R24.40 | R192.13 | 723868001 |
| Palexia | 100 mg | 30 | S6 | R856.38 | R28.55 | R210.45 | 723874001 |
SrtGeneric· 3 products
from R30.94/unit| Product | Strength | Pack | Sched | SEP | Unit | Disp fee | NAPPI |
|---|---|---|---|---|---|---|---|
| Palexia sr | 50 mg | 30 | S6 | R928.26 | R30.94 | R221.02 | 723876001 |
| Palexia sr | 100 mg | 30 | S6 | R1216.14 | R40.54 | R263.38 | 723877001 |
| Palexia sr | 200 mg | 30 | S6 | R1795.43 | R59.85 | R313.33 | 723879001 |
- Palexia
Medical aid coverage
data 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.
- BonClassic—
- BonComprehensive—
- BonEssential—
- BonFit Select—
- BonSave—
- BonStart—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.
- Beryl—
- Emerald—
- Onyx—
- Ruby—
- Sapphire—
- Tanzanite One—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.
- Aquarium Option—
- Efficiency Option—
- Marine Option—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.