Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent synthetic opioid analgesic, widely acknowledged in medical medicine for its quick beginning and brief period of action. Within the United Kingdom's healthcare system, fentanyl plays a crucial role in perioperative care, intensive care, and the management of acute, serious pain. Since of its strength-- approximated to be 50 to 100 times that of morphine-- its administration through injection is strictly controlled and typically scheduled for hospital settings.
For healthcare experts, students, or patients seeking to understand the medicinal landscape in the UK, determining the readily available brand names and producers of fentanyl citrate injection is essential. This blog site post supplies a thorough summary of the brand names, medical indications, and regulative 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 central nerve system. When administered by means of intravenous (IV) or intramuscular (IM) injection, it provides rapid analgesia. In the UK, it is classified 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 discomfort relief while keeping hemodynamic stability, making it a favored option for heart surgeries and for clients with vulnerable cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, many pharmaceutical products are recommended by their generic name (Fentanyl) instead of a trademark name. However, numerous manufacturers provide the NHS and personal health centers with specific formulas. Historically, the most popular trademark name related to fentanyl citrate was Sublimaze, initially developed by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and colloquially in some UK theatres, the bulk of the supply in the UK is now supplied by generic production 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 brand "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 original top quality product.
Medical Indications for Injection
Fentanyl citrate injection is used throughout numerous departments, from the Emergency Department (ED) to the Operating Theatre. Its use is typically divided into 3 categories:
1. Anaesthesia
Fentanyl is a cornerstone of modern anaesthesia. website is used as an analgesic supplement during the induction and upkeep of basic anaesthesia. It assists blunt the body's physiological "stress reaction" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl may be administered in little, titrated boluses to manage 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 frequently used as an infusion to offer continuous analgesia for patients who are mechanically aerated. Its short half-life permits more predictable "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 relocating to theatre. |
| Induction | To cooperate with induction representatives (like Propofol) for a smooth transition to unconsciousness. |
| Upkeep | To manage the surgical pain stimulus during the procedure. |
| Analgesic Supplement | Used in local anaesthesia (like epidurals) to boost discomfort relief. |
System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding inhibits ascending pain pathways, modifying the perception of and response to discomfort. It also increases the pain limit.
- Beginning of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Duration: 30-- 60 minutes (making it highly titratable).
- Metabolism: Primarily in the liver through the CYP3A4 enzyme.
- Excretion: Mostly through the kidneys.
Because fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier practically quickly, which explains why the analgesic impact is felt so much faster than with morphine or oxycodone.
Safety and Side Effects
As with all potent opioids, fentanyl citrate brings a danger of significant adverse effects, especially relating to the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most severe risk; 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 becomes too stiff to aerate easily (usually accompanies high-dose fast IV administration).
- Nausea and Vomiting: Common in the post-operative stage.
- Pruritus: Itching, typically around the nose or upper body.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Respiratory depression in the absence of resuscitative equipment.
- Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (risk of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Guideline 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) cabinet that satisfies the British Standard for security.
- Record Keeping: Every dosage administered must be tape-recorded in a Controlled Drugs Register, signed by two competent healthcare experts (typically a medical professional and a nurse, or two nurses).
- Disposal: Any lost or unused portion of an ampoule must be seen and damaged according to local trust policy (usually utilizing 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, a lot of UK health centers presently use generic variations made by companies like Hameln or Martindale. These are pharmacologically identical.
2. What is the basic concentration of Fentanyl injection in the UK?
The standard 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 given in your home?
No. Fentanyl Citrate Injection Manufacturers UK is nearly solely used in hospital 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 approximately 50 to 100 times more potent than morphine. This implies 100 micrograms of fentanyl is approximately comparable to 10 milligrams of morphine.
5. What is the antidote for a Fentanyl overdose?
Naloxone (brand Prenoxad or generic) is the basic opioid villain used to reverse the effects of fentanyl if respiratory anxiety takes place.
Summary
Fentanyl citrate remains among the most vital medications in the UK's surgical and extensive care environments. While it might be referred to by the historic trademark name Sublimaze, it is mainly used in its generic form supplied by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and fast onset make it an unequaled tool for handling sharp pain and facilitating anaesthesia, however these exact same qualities necessitate the highest level of medical tracking and regulative oversight. Understanding the brands and the medicinal profile of this drug is vital for safe practice and patient security within the NHS and the broader UK health care sector.
Disclaimer: This short article is for informative purposes just and does not constitute medical suggestions. Healthcare professionals ought to always refer to the British National Formulary (BNF) or their local Trust guidelines for dosing and administration procedures.
