Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a powerful artificial opioid analgesic, widely recognized in medical medication for its rapid onset and short period of action. Within the United Kingdom's health care system, fentanyl plays a critical function in perioperative care, intensive care, and the management of acute, severe discomfort. Since of its strength-- estimated to be 50 to 100 times that of morphine-- its administration by means of injection is strictly controlled and usually booked for medical facility settings.
For health care specialists, students, or clients seeking to comprehend the medicinal landscape in the UK, recognizing the readily available brand and makers of fentanyl citrate injection is essential. This post provides a detailed overview of the trademark name, clinical indications, and regulatory status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that acts as a potent agonist at the μ-opioid (mu-opioid) receptors in the central nervous system. When administered via intravenous (IV) or intramuscular (IM) injection, it offers 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 provide intense pain relief while keeping hemodynamic stability, making it a favored choice for cardiac surgical treatments and for clients with fragile 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 brand. However, several manufacturers provide the NHS and private healthcare facilities with specific formulas. Historically, the most famous brand name connected 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 provided by generic production experts.
Table 1: Common Manufacturers and Product Details in the UK
| Producer | Product 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" may still appear on some procurement lists, the UK medical landscape is dominated by Hameln and Martindale generic variations, which are bioequivalent to the initial branded item.
Medical Indications for Injection
Fentanyl citrate injection is made use of across different departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is normally divided into 3 categories:
1. Anaesthesia
Fentanyl is a cornerstone of contemporary anaesthesia. It is used as an analgesic supplement during the induction and maintenance of basic anaesthesia. It assists blunt the body's physiological "tension reaction" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in small, titrated boluses to handle immediate post-surgical pain before shifts are made to longer-acting opioids or oral medications.
3. Intensive Care (ICU)
In the Intensive Care Unit, fentanyl is regularly utilized as an infusion to supply continuous analgesia for clients who are mechanically aerated. Its brief 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 relocating to theatre. |
| Induction | To work together with induction representatives (like Propofol) for a smooth shift to unconsciousness. |
| Maintenance | To manage the surgical pain stimulus throughout the procedure. |
| Analgesic Supplement | Utilized in local anaesthesia (like epidurals) to enhance discomfort relief. |
System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding inhibits rising pain pathways, altering the perception of and action to discomfort. It likewise increases the discomfort threshold.
- 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 via the CYP3A4 enzyme.
- Excretion: Mostly through the kidneys.
Since fentanyl is highly lipid-soluble, it crosses the blood-brain barrier nearly immediately, which explains why the analgesic impact is felt a lot faster than with morphine or oxycodone.
Security and Side Effects
Similar to all powerful opioids, fentanyl citrate brings a risk of substantial negative effects, especially connecting to the breathing and cardiovascular systems.
Common Side Effects:
- Respiratory Depression: The most serious risk; it decreases the drive to breathe.
- Bradycardia: A slow heart rate.
- Hypotension: Low blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall becomes too stiff to ventilate easily (generally happens with high-dose quick 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.
- Breathing depression 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 regulated to avoid diversion and misuse.
- Storage: It must be kept in a locked "Controlled Drugs" (CD) cupboard that fulfills the British Standard for security.
- Record Keeping: Every dosage administered need to be recorded in a Controlled Drugs Register, signed by 2 competent health care professionals (usually a doctor and a nurse, or more nurses).
- Disposal: Any lost or unused part of an ampoule need to be witnessed and destroyed according to regional trust policy (typically utilizing a denaturing kit).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still available in the UK?
While the trademark name Sublimaze is the "innovator" product, the majority of UK hospitals presently utilize generic versions produced by business 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 offered at home?
No. Fentanyl citrate injection is practically exclusively utilized in healthcare facility settings (theatre, ICU, A&E) due to the fact that 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 powerful than morphine. This indicates 100 micrograms of fentanyl is approximately equivalent to 10 milligrams of morphine.
5. What is the remedy for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the basic opioid villain utilized to reverse the effects of fentanyl if respiratory depression occurs.
Summary
Fentanyl citrate stays one of the most important medications in the UK's surgical and intensive care environments. While it might be described by the historic brand Sublimaze, it is mostly used in its generic kind provided by makers such as Hameln, Wockhardt, and Martindale Pharma.
Its high effectiveness and fast start make it an unequaled tool for managing intense pain and assisting in anaesthesia, but these same qualities require the highest level of clinical monitoring and regulative oversight. Understanding visit website and the pharmacological profile of this drug is vital for safe practice and client security within the NHS and the wider UK healthcare sector.
Disclaimer: This post is for educational purposes just and does not make up medical recommendations. Healthcare experts should always describe the British National Formulary (BNF) or their local Trust guidelines for dosing and administration protocols.
