Its History Of Fentanyl Citrate Injection Brand Names UK

May 18, 2026

Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview

Fentanyl citrate is a powerful synthetic opioid analgesic, extensively recognized in scientific medicine for its quick start and brief period of action. Within the United Kingdom's health care system, fentanyl plays a vital function in perioperative care, intensive care, and the management of severe, extreme discomfort. Since of its strength— approximated to be 50 to 100 times that of morphine— its administration through injection is strictly controlled and usually scheduled for healthcare facility settings.

For healthcare specialists, students, or patients seeking to comprehend the medicinal landscape in the UK, recognizing the offered brand and producers of fentanyl citrate injection is essential. This blog post supplies an extensive introduction of the trademark name, scientific signs, and regulatory status of fentanyl citrate injections in the United Kingdom.

What is Fentanyl Citrate?

Fentanyl citrate is a phenylpiperidine derivative that serves as a potent agonist at the μ-opioid (mu-opioid) receptors in the central nerve system. When administered through intravenous (IV) or intramuscular (IM) injection, it provides 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 main appeal in surgical settings is its capability to supply extreme discomfort relief while preserving hemodynamic stability, making it a favored option for cardiac surgeries and for clients with fragile cardiovascular systems.

Fentanyl Citrate Injection Brand Names and Manufacturers in the UK

In the UK market, lots of pharmaceutical products are prescribed by their generic name (Fentanyl) instead of a trademark name. Nevertheless, numerous producers provide the NHS and personal healthcare facilities with specific formulas. Historically, the most well-known brand name related to fentanyl citrate was Sublimaze, initially established by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and colloquially in some UK theatres, most of the supply in the UK is now provided by generic production specialists.

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 dominated by Hameln and Martindale generic variations, which are bioequivalent to the original branded product.

Clinical 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 classifications:

1. Anaesthesia

Fentanyl is a foundation of modern-day anaesthesia. It is utilized as an analgesic supplement throughout the induction and upkeep of basic anaesthesia. It helps blunt the body's physiological “stress action” to intubation and surgical incision.

2. Post-operative Recovery

In the Recovery Room (PACU), fentanyl may 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 frequently utilized 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

Function of Fentanyl

Pre-medication

To provide sedation and analgesia before relocating to theatre.

Induction

To comply with induction agents (like Propofol) for a smooth transition to unconsciousness.

Upkeep

To manage the surgical pain stimulus throughout the treatment.

Analgesic Supplement

Used in regional anaesthesia (like epidurals) to boost pain relief.

Mechanism of Action and Pharmacokinetics

Fentanyl works by binding to mu-opioid receptors. This binding prevents rising pain paths, altering the perception of and reaction to pain. It also increases the pain limit.

Onset of Action: 1— 2 minutes (Intravenous).
Peak Effect: 3— 5 minutes.
Duration: 30— 60 minutes (making it extremely titratable).
Metabolic process: Primarily in the liver by means of the CYP3A4 enzyme.
Excretion: Mostly by means of the kidneys.

Because fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier almost instantly, which explains why the analgesic impact is felt so much faster than with morphine or oxycodone.

Safety and Side Effects

Just like all powerful opioids, fentanyl citrate brings a danger of considerable side impacts, particularly relating to the breathing and cardiovascular systems.

Common Side Effects:

Respiratory Depression: The most severe risk; it lowers the drive to breathe.
Bradycardia: A sluggish heart rate.
Hypotension: Low blood pressure.
Muscle Rigidity: Specifically “wooden chest syndrome,” where the chest wall becomes too stiff to aerate quickly (typically happens with high-dose quick IV administration).
Nausea and Vomiting: Common in the post-operative phase.
Pruritus: Itching, frequently around the nose or torso.

Contraindications and Cautions:

Known hypersensitivity to fentanyl or other opioid agonists.
Respiratory depression in the lack 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).
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Policy and Storage in the UK

In the United Kingdom, fentanyl citrate is strictly managed to prevent diversion and abuse.

Storage: It should be kept in a locked “Controlled Drugs” (CD) cabinet that meets the British Standard for security.
Record Keeping: Every dosage administered need to be taped in a Controlled Drugs Register, signed by 2 qualified health care experts (usually a doctor and a nurse, or two nurses).
Disposal: Any lost or unused portion of an ampoule should be experienced and damaged according to local trust policy (generally using a denaturing set).
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FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK

1. Is Sublimaze still available in the UK?

While the brand Sublimaze is the “innovator” product, a lot of UK hospitals currently utilize generic variations manufactured by business like Hameln or Martindale. These are pharmacologically similar.

2. What is the basic concentration of Fentanyl injection in the UK?

The standard concentration is 50 micrograms per millilitre (50 mcg/ml). Fentanyl Paper Test UK is generally offered in 2ml (100mcg) and 10ml (500mcg) ampoules.

3. Can Fentanyl injection be given in your home?

No. Fentanyl citrate injection is practically specifically utilized in healthcare facility settings (theatre, ICU, A&E) since of the danger of rapid breathing depression, which requires immediate access to oxygen and resuscitation equipment.

4. How does Fentanyl compare to Morphine in strength?

Fentanyl is around 50 to 100 times more powerful than morphine. This means 100 micrograms of fentanyl is approximately equivalent to 10 milligrams of morphine.

5. What is the remedy for a Fentanyl overdose?

Naloxone (trademark name Prenoxad or generic) is the standard opioid villain used to reverse the impacts of fentanyl if respiratory depression occurs.

Summary

Fentanyl citrate stays one of the most crucial medications in the UK's surgical and extensive care environments. While it might be referred to by the historical trademark name Sublimaze, it is primarily utilized in its generic type provided by makers such as Hameln, Wockhardt, and Martindale Pharma.

Its high strength and rapid beginning make it an unrivaled tool for managing sharp pain and facilitating anaesthesia, but these same qualities demand the greatest level of clinical tracking and regulatory oversight. Understanding the brand names and the pharmacological profile of this drug is vital for safe practice and patient safety within the NHS and the wider UK healthcare sector.

Disclaimer: This short article is for informational purposes only and does not make up medical guidance. Healthcare specialists ought to always describe the British National Formulary (BNF) or their local Trust guidelines for dosing and administration procedures.