Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent artificial opioid analgesic, extensively recognized in clinical medication for its fast start and brief duration of action. Within the United Kingdom's health care system, fentanyl plays a vital role in perioperative care, intensive care, and the management of intense, serious pain. Due to the fact that of its strength-- approximated to be 50 to 100 times that of morphine-- its administration via injection is strictly controlled and normally scheduled for healthcare facility settings.
For healthcare professionals, students, or patients seeking to understand the pharmacological landscape in the UK, determining the offered trademark name and makers of fentanyl citrate injection is important. This blog site post provides a detailed summary of the brand name names, clinical indicators, 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 worried system. When administered by means of intravenous (IV) or intramuscular (IM) injection, it provides fast 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 supply intense discomfort relief while keeping hemodynamic stability, making it a preferred option for cardiac surgeries and for patients with vulnerable cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, many pharmaceutical items are recommended by their generic name (Fentanyl) instead of a brand name. However, a number of makers provide the NHS and personal healthcare facilities with particular formulas. Historically, the most popular trademark name related to fentanyl citrate was Sublimaze, originally developed by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and informally in some UK theatres, the bulk of the supply in the UK is now provided by generic production 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 name "Sublimaze" might still appear on some procurement lists, the UK medical landscape is controlled by Hameln and Martindale generic versions, which are bioequivalent to the initial branded item.
Medical Indications for Injection
Fentanyl citrate injection is used throughout various departments, from the Emergency Department (ED) to the Operating Theatre. Its use is generally divided into 3 classifications:
1. Anaesthesia
Fentanyl is a cornerstone of contemporary anaesthesia. It is used as an analgesic supplement throughout the induction and maintenance of general anaesthesia. It assists blunt the body's physiological "stress action" to intubation and surgical cut.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl may be administered in small, titrated boluses to manage instant post-surgical discomfort before transitions are made to longer-acting opioids or oral medications.
3. Intensive Care (ICU)
In the Intensive Care Unit, fentanyl is frequently used as an infusion to offer constant analgesia for clients who are mechanically ventilated. Fentanyl Online Store UK -life permits 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 comply with induction agents (like Propofol) for a smooth shift to unconsciousness. |
| Upkeep | To handle the surgical pain stimulus throughout the procedure. |
| Analgesic Supplement | Used in local anaesthesia (like epidurals) to boost pain relief. |
Mechanism of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding prevents ascending pain paths, changing the perception of and reaction to discomfort. It likewise increases the pain limit.
- Beginning of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Duration: 30-- 60 minutes (making it highly titratable).
- Metabolic process: Primarily in the liver by means of the CYP3A4 enzyme.
- Excretion: Mostly by means of the kidneys.
Because fentanyl is highly lipid-soluble, it crosses the blood-brain barrier practically instantly, which explains why the analgesic impact is felt so much faster than with morphine or oxycodone.
Security and Side Effects
Similar to all powerful opioids, fentanyl citrate carries a danger of substantial side results, particularly associating with the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most major threat; it decreases the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low high blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall ends up being too stiff to aerate quickly (normally happens with high-dose rapid IV administration).
- Nausea and Vomiting: Common in the post-operative phase.
- Pruritus: Itching, frequently around the nose or upper body.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing anxiety in the lack 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).
Guideline and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly controlled to prevent diversion and abuse.
- Storage: It must be kept in a locked "Controlled Drugs" (CD) cabinet that fulfills the British Standard for security.
- Record Keeping: Every dose administered must be tape-recorded in a Controlled Drugs Register, signed by two qualified health care experts (typically a physician and a nurse, or two nurses).
- Disposal: Any wasted or unused portion of an ampoule must be seen and destroyed according to local trust policy (generally 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" item, many UK hospitals presently utilize generic variations manufactured 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 typically offered in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be offered at home?
No. Fentanyl citrate injection is almost exclusively used in healthcare facility settings (theatre, ICU, A&E) since of the risk of rapid respiratory anxiety, which needs instant access to oxygen and resuscitation equipment.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is roughly 50 to 100 times more potent than morphine. This indicates 100 micrograms of fentanyl is approximately equivalent to 10 milligrams of morphine.
5. What is the antidote for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the basic opioid villain utilized to reverse the impacts of fentanyl if respiratory depression takes place.
Summary
Fentanyl citrate stays among the most important medications in the UK's surgical and extensive care environments. While it may be referred to by the historical trademark name Sublimaze, it is mostly used in its generic type provided by makers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and rapid onset make it an unparalleled tool for handling acute pain and facilitating anaesthesia, but these same qualities require the highest level of clinical tracking and regulative oversight. Understanding the brands and the medicinal profile of this drug is vital for safe practice and patient safety within the NHS and the wider UK health care sector.
Disclaimer: This post is for informative purposes just and does not make up medical suggestions. Health care professionals ought to always refer to the British National Formulary (BNF) or their local Trust guidelines for dosing and administration procedures.
