Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent artificial opioid analgesic, widely acknowledged in clinical medication for its quick beginning and brief period of action. Within the United Kingdom's healthcare system, fentanyl plays a critical role in perioperative care, intensive care, and the management of severe, extreme pain. Because of its effectiveness-- estimated to be 50 to 100 times that of morphine-- its administration via injection is strictly controlled and generally reserved for healthcare facility settings.
For healthcare professionals, students, or patients looking for to comprehend the pharmacological landscape in the UK, identifying the available brand and manufacturers of fentanyl citrate injection is important. This post supplies a comprehensive overview of the brand, clinical signs, and regulative status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that acts as a powerful agonist at the μ-opioid (mu-opioid) receptors in the main anxious system. When administered by means of intravenous (IV) or intramuscular (IM) injection, it offers quick 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 main appeal in surgical settings is its ability to offer extreme pain relief while maintaining hemodynamic stability, making it a favored option for heart surgical treatments and for patients with delicate cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, lots of pharmaceutical products are recommended by their generic name (Fentanyl) rather than a brand name. However, numerous makers supply the NHS and private healthcare facilities with particular formulations. Historically, the most popular brand name related to fentanyl citrate was Sublimaze, initially established by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and informally 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
| Maker | 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 dominated by Hameln and Martindale generic variations, which are bioequivalent to the original top quality item.
Clinical Indications for Injection
Fentanyl citrate injection is utilized across different departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is normally divided into 3 classifications:
1. Anaesthesia
Fentanyl is a foundation of modern anaesthesia. It is utilized as an analgesic supplement during the induction and maintenance of basic anaesthesia. It helps blunt the body's physiological "tension action" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in little, titrated boluses to handle immediate 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 regularly used as an infusion to supply continuous analgesia for clients who are mechanically aerated. Its short half-life enables more foreseeable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Role of Fentanyl |
|---|---|
| Pre-medication | To provide sedation and analgesia before moving to theatre. |
| Induction | To cooperate with induction representatives (like Propofol) for a smooth shift to unconsciousness. |
| Maintenance | To manage the surgical discomfort stimulus throughout the treatment. |
| Analgesic Supplement | Utilized in regional anaesthesia (like epidurals) to improve discomfort relief. |
System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding hinders rising pain pathways, modifying 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 highly titratable).
- Metabolism: Primarily in the liver through the CYP3A4 enzyme.
- Excretion: Mostly via the kidneys.
Since fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier practically 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 brings a danger of considerable side effects, especially associating with the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most severe threat; it reduces the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall ends up being too stiff to ventilate easily (generally accompanies high-dose rapid IV administration).
- Queasiness and Vomiting: Common in the post-operative phase.
- Pruritus: Itching, often around the nose or upper body.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Respiratory depression in the absence of resuscitative devices.
- Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Regulation and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly managed to avoid diversion and misuse.
- Storage: It must be kept in a locked "Controlled Drugs" (CD) cabinet that satisfies the British Standard for security.
- Record Keeping: Every dosage administered must be taped in a Controlled Drugs Register, signed by two competent health care specialists (generally a medical professional and a nurse, or 2 nurses).
- Disposal: Any squandered or unused portion of an ampoule must be seen and ruined according to local trust policy (generally using a denaturing package).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still readily available in the UK?
While the trademark name Sublimaze is the "innovator" product, many UK health centers presently utilize generic versions made by business 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 generally available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be provided in the house?
No. Fentanyl citrate injection is nearly specifically utilized in healthcare facility settings (theatre, ICU, A&E) since of the threat of fast breathing anxiety, which requires immediate access to oxygen and resuscitation devices.
4. How does Fentanyl Citrate Injection Side Effects UK compare to Morphine in strength?
Fentanyl is roughly 50 to 100 times more potent than morphine. This indicates 100 micrograms of fentanyl is approximately comparable to 10 milligrams of morphine.
5. What is the remedy for a Fentanyl overdose?
Naloxone (trademark name Prenoxad or generic) is the basic opioid antagonist utilized to reverse the effects of fentanyl if respiratory anxiety occurs.
Summary
Fentanyl citrate stays among the most essential medications in the UK's surgical and intensive care environments. While it might be referred to by the historic brand name Sublimaze, it is mainly utilized in its generic form supplied by producers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and quick onset make it an unparalleled tool for managing sharp pain and assisting in anaesthesia, however these very same qualities require the highest level of medical monitoring and regulatory oversight. Understanding the brand names and the medicinal profile of this drug is necessary for safe practice and client safety within the NHS and the wider UK healthcare sector.
Disclaimer: This post is for educational purposes only and does not constitute medical recommendations. Healthcare professionals should constantly refer to the British National Formulary (BNF) or their regional Trust guidelines for dosing and administration procedures.
