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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 clinical medicine for its rapid start and short duration of action. Within the United Kingdom’s health care system, fentanyl plays a crucial function in perioperative care, extensive care, and the management of acute, serious pain. Because of its effectiveness– approximated to be 50 to 100 times that of morphine– its administration through injection is strictly managed and generally scheduled for hospital settings.

For health care experts, students, or clients seeking to understand the medicinal landscape in the UK, determining the available brand name names and makers of fentanyl citrate injection is important. This article offers a comprehensive summary of the brand names, clinical indicators, 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 central worried system. When administered via intravenous (IV) or intramuscular (IM) injection, it supplies rapid 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 capability to provide intense discomfort relief while preserving hemodynamic stability, making it a preferred choice 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, many pharmaceutical items are recommended by their generic name (Fentanyl) rather than a brand. However, several manufacturers supply the NHS and private medical facilities with particular formulas. Historically, the most famous brand related to fentanyl citrate was Sublimaze, originally established by Janssen Pharmaceutica. While the name Sublimaze is still utilized globally and colloquially in some UK theatres, the bulk of the supply in the UK is now supplied by generic manufacturing professionals.

Table 1: Common Manufacturers and Product Details in the UK

Maker
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 name “Sublimaze” might still appear on some procurement lists, the UK medical landscape is controlled by Hameln and Martindale generic variations, which are bioequivalent to the original branded product.

Clinical Indications for Injection

Fentanyl citrate injection is used across various departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is usually divided into three categories:

1. Anaesthesia

Fentanyl is a cornerstone of modern-day anaesthesia. Fentanyl Test Kit UK is used as an analgesic supplement during the induction and upkeep of general anaesthesia. It helps blunt the body’s physiological “tension response” to intubation and surgical cut.

2. Post-operative Recovery

In the Recovery Room (PACU), fentanyl may be administered in little, titrated boluses to manage 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 often utilized as an infusion to offer continuous analgesia for patients who are mechanically aerated. Its brief half-life enables for 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 cooperate with induction representatives (like Propofol) for a smooth transition to unconsciousness.

Upkeep
To manage the surgical discomfort stimulus throughout the treatment.

Analgesic Supplement
Utilized in local anaesthesia (like epidurals) to improve discomfort relief.

Mechanism of Action and Pharmacokinetics

Fentanyl works by binding to mu-opioid receptors. This binding inhibits rising pain pathways, modifying the perception of and response to pain. It also increases the discomfort threshold.

• 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 via the CYP3A4 enzyme.
• Excretion: Mostly via the kidneys.

Since fentanyl is highly lipid-soluble, it crosses the blood-brain barrier nearly immediately, which discusses why the analgesic effect is felt so much faster than with morphine or oxycodone.

Security and Side Effects

As with all powerful opioids, fentanyl citrate carries a threat of significant negative effects, particularly connecting to the breathing and cardiovascular systems.

Typical Side Effects:

• Respiratory Depression: The most severe risk; it lowers the drive to breathe.
• Bradycardia: A slow heart rate.
• Hypotension: Low blood pressure.
• Muscle Rigidity: Specifically “wood 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.
• Breathing anxiety in the absence of resuscitative devices.
• Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (threat 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 meets the British Standard for security.
• Record Keeping: Every dose administered should be recorded in a Controlled Drugs Register, signed by two certified health care experts (generally a medical professional and a nurse, or 2 nurses).
• Disposal: Any wasted or unused part of an ampoule must be experienced and ruined according to local trust policy (typically using a denaturing kit).

FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK

1. Is Sublimaze still available in the UK?

While the brand Sublimaze is the “innovator” item, a lot of UK health centers currently use generic variations 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 normally offered in 2ml (100mcg) and 10ml (500mcg) ampoules.

3. Can Fentanyl injection be offered in the house?

No. Fentanyl citrate injection is nearly solely used in healthcare facility settings (theatre, ICU, A&E) because of the risk of quick respiratory depression, which needs instant access to oxygen and resuscitation devices.

4. How does Fentanyl compare to Morphine in strength?

Fentanyl is approximately 50 to 100 times more potent than morphine. This indicates 100 micrograms of fentanyl is roughly comparable to 10 milligrams of morphine.

5. What is the antidote for a Fentanyl overdose?

Naloxone (trademark name Prenoxad or generic) is the basic opioid antagonist utilized to reverse the impacts of fentanyl if respiratory anxiety occurs.

Summary

Fentanyl citrate remains among the most vital medications in the UK’s surgical and extensive care environments. While it may be described by the historic brand Sublimaze, it is mainly utilized in its generic kind provided by producers such as Hameln, Wockhardt, and Martindale Pharma.

Its high effectiveness and quick start make it an unrivaled tool for managing acute discomfort and facilitating anaesthesia, but these exact same qualities necessitate the greatest level of medical monitoring and regulative oversight. Comprehending the brands and the medicinal profile of this drug is necessary for safe practice and patient safety within the NHS and the broader UK health care sector.

Disclaimer: This short article is for informational functions only and does not make up medical suggestions. Healthcare experts must always describe the British National Formulary (BNF) or their regional Trust standards for dosing and administration procedures.