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May 14, 2026

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

Fentanyl citrate is a potent synthetic opioid analgesic, widely recognized in medical medication for its fast start and short period of action. Within the United Kingdom's healthcare system, fentanyl plays a critical function in perioperative care, extensive care, and the management of severe, serious discomfort. Since of its potency— approximated to be 50 to 100 times that of morphine— its administration through injection is strictly managed and usually reserved for hospital settings.

For healthcare professionals, trainees, or patients looking for to understand the medicinal landscape in the UK, determining the available trademark name and makers of fentanyl citrate injection is important. This post provides a comprehensive summary of the brand, medical indications, 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 powerful agonist at the μ-opioid (mu-opioid) receptors in the main nerve system. When administered via intravenous (IV) or intramuscular (IM) injection, it provides quick analgesia. In click here , it is categorized as a Class A controlled 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 ability to provide extreme discomfort relief while maintaining hemodynamic stability, making it a preferred option for heart surgical treatments and for patients with delicate cardiovascular systems.

Fentanyl Citrate Injection Brand Names and Manufacturers in the UK

In the UK market, lots of 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 particular formulas. Historically, the most famous trademark name 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 majority of the supply in the UK is now offered by generic production professionals.

Table 1: Common Manufacturers and Product Details in the UK

Manufacturer

Item Description

Typical 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 versions, which are bioequivalent to the initial top quality product.

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 usually divided into three categories:

1. Anaesthesia

Fentanyl is a cornerstone of modern anaesthesia. It is used as an analgesic supplement during the induction and maintenance of basic anaesthesia. It helps blunt the body's physiological “stress action” to intubation and surgical cut.

2. Post-operative Recovery

In the Recovery Room (PACU), fentanyl might be administered in little, titrated boluses to manage immediate post-surgical discomfort 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 provide continuous analgesia for patients who are mechanically ventilated. Its brief half-life enables for more predictable “wake-up” tests compared to drugs like morphine.

Table 2: Clinical Application Summary

Application

Function of Fentanyl

Pre-medication

To offer sedation and analgesia before moving to theatre.

Induction

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

Maintenance

To manage the surgical discomfort stimulus during the treatment.

Analgesic Supplement

Used in regional anaesthesia (like epidurals) to improve discomfort relief.

Mechanism of Action and Pharmacokinetics

Fentanyl works by binding to mu-opioid receptors. This binding prevents ascending pain paths, altering the understanding of and reaction to discomfort. It also increases the discomfort threshold.

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

Because fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier almost quickly, which discusses why the analgesic impact is felt a lot faster than with morphine or oxycodone.

Safety and Side Effects

Similar to all potent opioids, fentanyl citrate carries a danger of significant negative effects, especially connecting to the respiratory and cardiovascular systems.

Typical Side Effects:

Respiratory Depression: The most serious risk; it minimizes 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 ventilate quickly (generally takes place with 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 lack of resuscitative equipment.
Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger 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 avoid diversion and misuse.

Storage: It should be kept in a locked “Controlled Drugs” (CD) cabinet that fulfills the British Standard for security.
Record Keeping: Every dose administered need to be tape-recorded in a Controlled Drugs Register, signed by two certified healthcare experts (usually a doctor and a nurse, or 2 nurses).
Disposal: Any squandered or unused part of an ampoule need to be experienced and destroyed according to local trust policy (typically using a denaturing package).
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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, most UK healthcare facilities currently use generic variations produced 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 normally offered in 2ml (100mcg) and 10ml (500mcg) ampoules.

3. Can Fentanyl injection be offered in your home?

No. Fentanyl citrate injection is almost solely used in hospital settings (theatre, ICU, A&E) due to the fact that of the threat of fast respiratory depression, 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 powerful 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 Prenoxad or generic) is the basic opioid antagonist used to reverse the results of fentanyl if respiratory depression takes place.

Summary

Fentanyl citrate stays among the most essential medications in the UK's surgical and intensive care environments. While it may be referred to by the historical brand name Sublimaze, it is mainly used in its generic type supplied by makers such as Hameln, Wockhardt, and Martindale Pharma.

Its high effectiveness and quick start make it an unrivaled tool for handling severe discomfort and assisting in anaesthesia, however these exact same qualities demand the highest level of medical monitoring and regulative oversight. Comprehending the brands and the medicinal profile of this drug is important for safe practice and client security within the NHS and the larger UK health care sector.

Disclaimer: This short article is for educational functions just and does not constitute medical advice. Healthcare specialists should constantly describe the British National Formulary (BNF) or their regional Trust standards for dosing and administration procedures.