Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a powerful artificial opioid analgesic, extensively acknowledged in medical medication for its quick onset and brief period of action. Within the United Kingdom's healthcare system, fentanyl plays a vital function in perioperative care, extensive care, and the management of intense, extreme pain. Since of its strength-- estimated to be 50 to 100 times that of morphine-- its administration through injection is strictly managed and normally reserved for healthcare facility settings.
For healthcare experts, trainees, or clients looking for to comprehend the pharmacological landscape in the UK, identifying the offered trademark name and makers of fentanyl citrate injection is important. This article supplies a detailed overview of the brand, clinical indications, and regulative status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that serves as a potent agonist at the μ-opioid (mu-opioid) receptors in the main nerve system. When administered through intravenous (IV) or intramuscular (IM) injection, it offers quick analgesia. In the UK, it is categorized as a Class A controlled drug under the Misuse of Drugs Act 1971 and falls under Schedule 2 of the Misuse of Drugs Regulations 2001.
Its primary appeal in surgical settings is its ability to provide intense discomfort relief while keeping hemodynamic stability, making it a preferred option for cardiac surgeries and for clients with fragile cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, lots of pharmaceutical items are recommended by their generic name (Fentanyl) instead of a brand name. Nevertheless, several manufacturers supply the NHS and personal medical facilities with specific solutions. Historically, the most famous brand name associated with fentanyl citrate was Sublimaze, initially established by Janssen Pharmaceutica. While the name Sublimaze is still used worldwide and colloquially in some UK theatres, most of the supply in the UK is now offered by generic manufacturing specialists.
Table 1: Common Manufacturers and Product Details in the UK
| Manufacturer | Item Description | Common Strengths |
|---|---|---|
| Hameln Pharma | Fentanyl Citrate Injection BP | 50 micrograms/ml (2ml, 10ml ampoules) |
| Wockhardt UK | Fentanyl Citrate Injection | 50 micrograms/ml (2ml, 10ml ampoules) |
| Martindale Pharma | Fentanyl Citrate | 50 micrograms/ml (2ml, 10ml, 20ml ampoules) |
| Janssen-Cilag | Sublimaze (Historical Brand) | 50 micrograms/ml |
| Pirimal Critical Care | Fentanyl Citrate Injection | 50 micrograms/ml |
While the brand "Sublimaze" may still appear on some procurement lists, the UK medical landscape is dominated by Hameln and Martindale generic variations, which are bioequivalent to the initial top quality product.
Clinical Indications for Injection
Fentanyl citrate injection is utilized throughout numerous departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is normally divided into three categories:
1. Anaesthesia
Fentanyl is a foundation of contemporary anaesthesia. It is utilized as an analgesic supplement during the induction and upkeep of general anaesthesia. It helps blunt the body's physiological "tension response" to intubation and surgical cut.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in small, titrated boluses to handle immediate post-surgical pain before shifts are made to longer-acting opioids or oral medications.
3. Intensive Care (ICU)
In the Intensive Care Unit, fentanyl is frequently utilized as an infusion to supply constant analgesia for clients who are mechanically aerated. Its brief half-life enables more predictable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Function of Fentanyl |
|---|---|
| Pre-medication | To supply sedation and analgesia before moving to theatre. |
| Induction | To comply with induction agents (like Propofol) for a smooth shift to unconsciousness. |
| Maintenance | To manage the surgical discomfort stimulus throughout the procedure. |
| Analgesic Supplement | Used in regional anaesthesia (like epidurals) to boost pain relief. |
System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding inhibits rising discomfort paths, altering the perception of and response to discomfort. It likewise increases the discomfort threshold.
- Onset of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Duration: 30-- 60 minutes (making it extremely titratable).
- Metabolic process: Primarily in the liver by means of the CYP3A4 enzyme.
- Excretion: Mostly through the kidneys.
Because fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier nearly instantly, which explains why the analgesic effect is felt so much faster than with morphine or oxycodone.
Safety and Side Effects
Similar to all powerful opioids, fentanyl citrate carries a risk of considerable adverse effects, especially associating with the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most major danger; it reduces the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low high blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall becomes too stiff to ventilate quickly (generally accompanies high-dose fast IV administration).
- Nausea and Vomiting: Common in the post-operative stage.
- Pruritus: Itching, frequently around the nose or upper body.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing depression in the absence of resuscitative devices.
- Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Policy and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly regulated to prevent diversion and abuse.
- Storage: It should be kept in a locked "Controlled Drugs" (CD) cupboard that fulfills the British Standard for security.
- Record Keeping: Every dosage administered should be recorded in a Controlled Drugs Register, signed by two qualified health care specialists (normally a doctor and a nurse, or more nurses).
- Disposal: Any wasted or unused portion of an ampoule should be experienced and ruined according to local trust policy (generally utilizing a denaturing set).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still offered in the UK?
While the trademark name Sublimaze is the "innovator" product, most UK healthcare facilities currently use generic versions made by companies like Hameln or Martindale. These are pharmacologically identical.
2. What is the standard concentration of Fentanyl injection in the UK?
The standard concentration is 50 micrograms per millilitre (50 mcg/ml). It is usually offered in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be given at home?
No. Fentanyl citrate injection is practically specifically utilized in hospital settings (theatre, ICU, A&E) because of the threat of quick breathing depression, which requires immediate access to oxygen and resuscitation equipment.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is roughly 50 to 100 times more powerful than morphine. This implies 100 micrograms of fentanyl is approximately comparable to 10 milligrams of morphine.
5. What is the remedy for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the basic opioid villain used to reverse the effects of fentanyl if respiratory anxiety takes place.
Summary
Fentanyl citrate remains one of the most important medications in the UK's surgical and intensive care environments. While it might be described by the historical trademark name Sublimaze, it is mostly utilized in its generic kind supplied by makers such as Hameln, Wockhardt, and Martindale Pharma.
Its high strength and quick onset make it an unrivaled tool for handling sharp pain and assisting in anaesthesia, however these exact same qualities require the highest level of medical monitoring and regulative oversight. Understanding the brands and the medicinal profile of this drug is essential for safe practice and patient safety within the NHS and the wider UK healthcare sector.
Disclaimer: This article is for informational purposes just and does not constitute medical suggestions. Fentanyl Citrate Injection Buy UK must constantly describe the British National Formulary (BNF) or their local Trust standards for dosing and administration procedures.
