Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent synthetic opioid analgesic, extensively acknowledged in clinical medication for its rapid beginning and short duration of action. Within the United Kingdom's health care system, fentanyl plays a critical role in perioperative care, intensive care, and the management of acute, extreme pain. Since of its potency-- approximated to be 50 to 100 times that of morphine-- its administration via injection is strictly controlled and generally reserved for hospital settings.
For healthcare professionals, students, or clients looking for to comprehend the pharmacological landscape in the UK, recognizing the available trademark name and manufacturers of fentanyl citrate injection is essential. This blog post offers a detailed overview of the brand, scientific indicators, and regulatory 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 anxious system. When administered via intravenous (IV) or intramuscular (IM) injection, it supplies rapid analgesia. In the UK, it is classified 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 capability to provide extreme discomfort relief while maintaining hemodynamic stability, making it a preferred option for heart surgical treatments and for patients with vulnerable cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, numerous pharmaceutical items are recommended by their generic name (Fentanyl) instead of a brand. Nevertheless, click here provide the NHS and personal healthcare facilities with particular formulas. Historically, the most famous brand name associated with fentanyl citrate was Sublimaze, initially established by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and colloquially in some UK theatres, the majority 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 | Typical 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 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 product.
Scientific Indications for Injection
Fentanyl citrate injection is used throughout different departments, from the Emergency Department (ED) to the Operating Theatre. Its use is typically divided into three categories:
1. Anaesthesia
Fentanyl is a cornerstone of modern anaesthesia. It is utilized as an analgesic supplement throughout the induction and upkeep of basic anaesthesia. It helps blunt the body's physiological "stress response" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in little, titrated boluses to manage 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 provide constant analgesia for patients who are mechanically aerated. Its short half-life permits more foreseeable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Role of Fentanyl |
|---|---|
| Pre-medication | To supply sedation and analgesia before moving to theatre. |
| Induction | To comply with induction representatives (like Propofol) for a smooth shift to unconsciousness. |
| Maintenance | To handle the surgical pain stimulus throughout the treatment. |
| Analgesic Supplement | Used in regional anaesthesia (like epidurals) to enhance discomfort relief. |
Mechanism of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding inhibits rising discomfort paths, altering the perception of and reaction to pain. It likewise increases the discomfort limit.
- Start of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Period: 30-- 60 minutes (making it highly titratable).
- Metabolism: Primarily in the liver through the CYP3A4 enzyme.
- Excretion: Mostly by means of the kidneys.
Since fentanyl is extremely 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 potent opioids, fentanyl citrate brings a threat of considerable adverse effects, particularly associating with the respiratory and cardiovascular systems.
Common Side Effects:
- Respiratory Depression: The most severe risk; it lowers the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low blood pressure.
- Muscle Rigidity: Specifically "wood chest syndrome," where the chest wall becomes too stiff to ventilate quickly (typically takes place with high-dose quick IV administration).
- Nausea and Vomiting: Common in the post-operative phase.
- Pruritus: Itching, typically around the nose or torso.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing depression in the absence of resuscitative equipment.
- Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (risk of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Regulation and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly controlled to avoid diversion and abuse.
- Storage: It needs to be kept in a locked "Controlled Drugs" (CD) cupboard that meets the British Standard for security.
- Record Keeping: Every dosage administered should be recorded in a Controlled Drugs Register, signed by 2 competent health care experts (generally a doctor and a nurse, or 2 nurses).
- Disposal: Any wasted or unused part of an ampoule must be witnessed and damaged according to local trust policy (normally using a denaturing kit).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still readily available in the UK?
While the brand Sublimaze is the "innovator" product, most UK medical facilities currently use generic versions manufactured by business like Hameln or Martindale. These are pharmacologically identical.
2. What is the standard concentration of Fentanyl injection in the UK?
The basic concentration is 50 micrograms per millilitre (50 mcg/ml). It is typically available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be given in your home?
No. Fentanyl citrate injection is nearly solely used in medical facility settings (theatre, ICU, A&E) since of the danger of fast breathing anxiety, which requires immediate access to oxygen and resuscitation equipment.
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 Prenoxad or generic) is the standard opioid antagonist utilized to reverse the impacts of fentanyl if breathing anxiety occurs.
Summary
Fentanyl citrate stays among the most crucial medications in the UK's surgical and intensive care environments. While it may be described by the historical trademark name Sublimaze, it is mostly utilized in its generic form provided by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and rapid onset make it an unrivaled tool for handling sharp pain and assisting in anaesthesia, however these very same qualities demand the greatest level of scientific monitoring and regulatory oversight. Understanding the brands and the pharmacological profile of this drug is important for safe practice and patient safety within the NHS and the wider UK health care sector.
Disclaimer: This article is for informational functions just and does not constitute medical guidance. Health care specialists ought to always describe the British National Formulary (BNF) or their regional Trust guidelines for dosing and administration protocols.
