Nalbuphine 20mg/ml Injection for Pain and Pruritus

Nalbuphine 20mg/ml is a synthetic opioid analgesic classified as a mixed agonist-antagonist. With potent kappa-opioid receptor agonism and mu-opioid receptor antagonism, nalbuphine provides effective pain relief while offering unique advantages including treatment of opioid-induced pruritus and a superior safety profile compared to full mu-agonists like morphine.

Pharmacological Profile

Nalbuphine's distinct receptor binding creates unique clinical characteristics:

• Kappa-opioid receptor: Full agonist - produces analgesia and sedation
• Mu-opioid receptor: Competitive antagonist - blocks morphine, fentanyl effects
• Ceiling effect: Respiratory depression plateaus at higher doses - critical safety advantage

Clinical Applications

Primary uses:

• Post-operative analgesia and balanced anesthesia
• Obstetric pain management during labor and delivery
• Acute pain in emergency settings
• Pre-operative and post-operative sedation

Unique indication - Opioid-Induced Pruritus (OIP):

Nalbuphine is specifically effective for severe itching caused by other opioids. Its mu-antagonism blocks the pruritic pathway while maintaining analgesia through kappa-agonism.

Comparative Pharmacology

Dosage Guidelines

Standard dosing:

• Initial: 10mg IV, IM, or subcutaneous every 3-6 hours
• May increase to 20mg for severe pain
• Maximum: Generally 160mg/day (ceiling effect provides inherent limitation)

Obstetric dosing: 10-20mg IV or IM during active labor. Preferred over meperidine for less neonatal depression.

Pruritus treatment: 5-10mg IV for severe opioid-induced itching.

Safety Profile

Advantages over morphine:

• Ceiling effect on respiratory depression
• No significant histamine release
• Minimal cardiovascular effects
• Lower abuse potential
• Schedule IV (less restrictive)

Contraindications: Hypersensitivity to nalbuphine, patients dependent on full opioid agonists (precipitates withdrawal), severe respiratory depression not from opioids.

Drug Interactions

Major interactions:

• Full opioid agonists: Antagonizes morphine, fentanyl, oxycodone
• CNS depressants: Additive effects with benzodiazepines (Xanax, Valium, Ativan), alcohol

Warning: Nalbuphine WILL precipitate withdrawal in opioid-dependent patients. Never administer to patients on chronic morphine or oxycodone without ensuring sufficient clearance time.

Side Effects

Common: Sedation, sweating, nausea, headache, dizziness, dry mouth.

Psychotomimetic (less common): Dysphoria, confusion, hallucinations (rare).

Ordering from Our Pharmacy

We provide authentic nalbuphine 20mg/ml injection:

• Pharmaceutical-grade nalbuphine HCl with certificate of analysis
• Sterile parenteral formulation
• Competitive pricing on mixed agonist-antagonist opioids
• Discreet shipping with temperature control
• 24/7 support: +17473176527 (call/text/WhatsApp)
• Payment: Credit cards, secure card payments, card, PayPal, Apple Pay, Google Pay

Appropriate medical documentation required for Schedule IV purchases.

Related Products

Clinical alternatives: Butorphanol (higher potency), Pentazocine, Buprenorphine (longer duration).