✅ Active Ingredient Overview Table:
| 🔬 Active Ingredient (Generic Name): | Tapentadol Hydrochloride |
|---|---|
| 💊 Indication: | Moderate to Severe Acute Pain |
| 🇺🇸 US Brand: | Nucynta |
| 🏭 Manufacturer: | Signature Pharma (India) (Founded: 2012) |
| 📦 Packaging: | 10 Tablets per Strip |
| 🧪 Strength: | 100 mg |
| 🚚 Delivery Time: | 6–15 days |
🌿 What is Tapentadol 100 mg (Aspadol)?
Aspadol contains Tapentadol, a centrally acting analgesic combining μ-opioid receptor agonism with norepinephrine reuptake inhibition, providing potent relief of moderate to severe acute pain. The dual mechanism enhances analgesia and may reduce typical opioid side effects.
For detailed prescribing guidance, contraindications, and safety data, see the FDA label for Nucynta, the Drugs.com monograph, the NHS Medicines A–Z entry, and the WHO Essential Medicines List.
🧬 Pharmacology & Mechanism of Action
| Attribute | Detail |
|---|---|
| Chemical Formula | C14H23NO2 |
| Molecular Weight | 241.34 g/mol |
| Bioavailability | ~32% (oral) |
| Metabolism | Hepatic (Phase 2 glucuronidation) |
| Half-Life | ~4 hours |
Tapentadol’s action at μ-opioid receptors and inhibition of norepinephrine reuptake modulates ascending pain pathways, offering effective analgesia with a potentially lower risk of GI side effects.
💡 Indications & Dosing
| Condition | Dose & Administration |
|---|---|
| Acute Moderate to Severe Pain | 50–100 mg every 4–6 hours as needed; max 600 mg/day |
Administer with or without food. Adjust dose for elderly or renally impaired patients.
⚠️ Warnings & Side Effects
Common:
- Nausea, dizziness
- Somnolence
- Constipation
Serious:
- Respiratory depression
- Seizures (in predisposed)
- Serotonin syndrome (with SSRIs)
Contraindicated in patients with significant respiratory depression, acute or severe bronchial asthma, or MAOI use within 14 days. Monitor for signs of abuse, addiction, and overdose.
🏥 Storage Instructions
Store Aspadol 100 mg at 20–25°C in original blister pack. Protect from moisture and light. Keep out of reach of children.
🌐 Availability & Purchasing
- USA: Prescription-only (Nucynta); ER formulation.
- UK & EU: Prescription required; tapentadol available as Nucynta.
- Australia: Prescription and TGA approval required.
Importing from India may reduce costs; ensure legal compliance and possess valid prescription.
🔗 Related Analgesic Options
- Paracetamol 500 mg – non-opioid analgesic.
🎥 Educational Video on Tapentadol
👩⚕️ Expert Insight: Dr. Rahul Mehta, Pain Specialist
“Tapentadol offers a novel analgesic profile by combining opioid and noradrenergic mechanisms, providing potent pain relief with a potentially improved tolerability profile compared to traditional opioids.”

