Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent artificial opioid analgesic, extensively acknowledged in scientific medicine for its quick start and short duration of action. Within Legal Fentanyl UK United Kingdom's health care system, fentanyl plays an important role in perioperative care, extensive care, and the management of intense, serious pain. Since of its strength-- estimated to be 50 to 100 times that of morphine-- its administration through injection is strictly controlled and normally booked for medical facility settings.
For healthcare experts, trainees, or clients looking for to understand the medicinal landscape in the UK, identifying the readily available brand and makers of fentanyl citrate injection is important. This article offers a comprehensive overview of the trademark name, scientific indications, and regulatory status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that functions 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 provides quick analgesia. In the UK, it is categorized as a Class A managed 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 offer intense pain relief while keeping hemodynamic stability, making it a preferred choice for cardiac surgical treatments and for clients with vulnerable 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. However, a number of producers supply the NHS and private hospitals with specific formulations. Historically, the most famous brand name connected with fentanyl citrate was Sublimaze, originally established by Janssen Pharmaceutica. While the name Sublimaze is still utilized 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 trademark name "Sublimaze" may still appear on some procurement lists, the UK medical landscape is controlled by Hameln and Martindale generic variations, which are bioequivalent to the initial top quality item.
Scientific Indications for Injection
Fentanyl citrate injection is used across various departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is generally divided into three categories:
1. Anaesthesia
Fentanyl is a cornerstone of modern-day anaesthesia. It is utilized as an analgesic supplement during the induction and maintenance of basic anaesthesia. It assists blunt the body's physiological "stress response" to intubation and surgical cut.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl may be administered in little, titrated boluses to handle instant post-surgical pain before transitions 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 offer continuous analgesia for patients who are mechanically ventilated. Its short half-life enables more foreseeable "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 relocating to theatre. |
| Induction | To comply with induction representatives (like Propofol) for a smooth transition to unconsciousness. |
| Upkeep | To manage the surgical pain stimulus throughout the treatment. |
| Analgesic Supplement | Utilized in regional anaesthesia (like epidurals) to improve pain relief. |
Mechanism of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding hinders ascending discomfort paths, altering the perception of and response to discomfort. It likewise increases the pain threshold.
- Beginning of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Period: 30-- 60 minutes (making it extremely titratable).
- Metabolism: Primarily in the liver via the CYP3A4 enzyme.
- Excretion: Mostly by means of the kidneys.
Because fentanyl is highly lipid-soluble, it crosses the blood-brain barrier practically quickly, which describes 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 danger of significant side impacts, particularly associating with the breathing and cardiovascular systems.
Common Side Effects:
- Respiratory Depression: The most severe risk; it reduces the drive to breathe.
- Bradycardia: A slow heart rate.
- Hypotension: Low high blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall becomes too stiff to aerate quickly (usually accompanies high-dose quick IV administration).
- Queasiness 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.
- Respiratory anxiety in the lack of resuscitative devices.
- Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (risk of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Policy and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly managed to avoid diversion and abuse.
- Storage: It needs to be kept in a locked "Controlled Drugs" (CD) cupboard that satisfies the British Standard for security.
- Record Keeping: Every dosage administered need to be tape-recorded in a Controlled Drugs Register, signed by 2 certified health care professionals (typically a physician and a nurse, or more nurses).
- Disposal: Any wasted or unused part of an ampoule should be witnessed and ruined according to regional trust policy (usually using a denaturing set).
FAQ: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still available in the UK?
While the brand Sublimaze is the "innovator" product, many UK health centers presently use generic variations manufactured by companies like Hameln or Martindale. These are pharmacologically identical.
2. What is the basic concentration of Fentanyl injection in the UK?
The basic concentration is 50 micrograms per millilitre (50 mcg/ml). It is typically readily available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be provided in your home?
No. Fentanyl citrate injection is practically solely used in medical facility settings (theatre, ICU, A&E) since of the danger of quick respiratory anxiety, which needs immediate access to oxygen and resuscitation devices.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is around 50 to 100 times more potent than morphine. This means 100 micrograms of fentanyl is roughly comparable to 10 milligrams of morphine.
5. What is the antidote for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the standard opioid antagonist utilized to reverse the impacts of fentanyl if breathing depression occurs.
Summary
Fentanyl citrate stays among the most crucial medications in the UK's surgical and intensive care environments. While it might be described by the historical trademark name Sublimaze, it is mainly used in its generic kind supplied by makers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and quick onset make it an unequaled tool for managing acute discomfort and facilitating anaesthesia, but these exact same qualities demand the greatest level of clinical tracking and regulative oversight. Comprehending the brands and the medicinal profile of this drug is essential for safe practice and client security within the NHS and the broader UK healthcare sector.
Disclaimer: This post is for informational purposes only and does not make up medical advice. Healthcare specialists must always describe the British National Formulary (BNF) or their regional Trust standards for dosing and administration protocols.
