Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent artificial opioid analgesic, widely acknowledged in scientific medicine for its rapid start and brief duration of action. Within the United Kingdom's healthcare system, fentanyl plays a vital role in perioperative care, extensive care, and the management of acute, extreme pain. Due to the fact that of its potency-- estimated to be 50 to 100 times that of morphine-- its administration through injection is strictly managed and usually reserved for healthcare facility settings.
For healthcare specialists, trainees, or clients looking for to understand the medicinal landscape in the UK, determining the available brand name names and manufacturers of fentanyl citrate injection is necessary. This article offers a detailed overview 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 powerful agonist at the μ-opioid (mu-opioid) receptors in the central nerve system. When administered via intravenous (IV) or intramuscular (IM) injection, it supplies rapid analgesia. In the UK, it is classified 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 intense discomfort relief while preserving hemodynamic stability, making it a favored option 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, lots of pharmaceutical items are prescribed by their generic name (Fentanyl) instead of a brand. Nevertheless, a number of manufacturers supply the NHS and personal health centers with particular formulas. Historically, the most popular brand connected with fentanyl citrate was Sublimaze, originally developed by Janssen Pharmaceutica. While the name Sublimaze is still used worldwide and colloquially in some UK theatres, most of the supply in the UK is now offered by generic manufacturing specialists.
Table 1: Common Manufacturers and Product Details in the UK
| Maker | 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 trademark 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 initial top quality product.
Clinical Indications for Injection
Fentanyl citrate injection is used across different departments, from the Emergency Department (ED) to the Operating Theatre. Its use is usually divided into 3 categories:
1. Anaesthesia
Fentanyl is a cornerstone of modern-day anaesthesia. It is utilized as an analgesic supplement during the induction and upkeep of general 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 manage instant post-surgical discomfort before transitions 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 supply constant analgesia for patients who are mechanically ventilated. Its short half-life permits more predictable "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 moving to theatre. |
| Induction | To work together with induction representatives (like Propofol) for a smooth shift to unconsciousness. |
| Upkeep | To handle the surgical discomfort stimulus throughout the treatment. |
| Analgesic Supplement | Used in regional anaesthesia (like epidurals) to enhance pain relief. |
Mechanism of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding prevents rising pain paths, changing the perception of and action to discomfort. It also increases the pain threshold.
- Beginning 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 through the kidneys.
Due to the fact that fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier practically immediately, which explains why the analgesic impact is felt a lot faster than with morphine or oxycodone.
Security and Side Effects
Similar to all potent opioids, fentanyl citrate carries a danger of considerable negative effects, especially relating to the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most severe threat; it decreases the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low blood pressure.
- Muscle Rigidity: Specifically "wood chest syndrome," where the chest wall ends up being too stiff to ventilate quickly (normally accompanies high-dose fast IV administration).
- Nausea and Vomiting: Common in the post-operative stage.
- Pruritus: Itching, frequently around the nose or torso.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing depression in the lack of resuscitative equipment.
- Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger 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 needs to 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 2 qualified healthcare experts (normally a medical professional and a nurse, or two nurses).
- Disposal: Any wasted or unused portion of an ampoule need to be experienced and ruined according to local trust policy (generally utilizing a denaturing kit).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still offered in the UK?
While the brand name Sublimaze is the "innovator" item, many UK hospitals currently use generic versions manufactured by business like Hameln or Martindale. These are pharmacologically similar.
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 typically available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be given at home?
No. Fentanyl citrate injection is nearly solely utilized in health center settings (theatre, ICU, A&E) due to the fact that of the danger of fast respiratory anxiety, which needs immediate 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. Fentanyl Citrate Injection Brand Names UK means 100 micrograms of fentanyl is roughly equivalent to 10 milligrams of morphine.
5. What is the antidote for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the standard opioid villain used to reverse the results of fentanyl if respiratory anxiety occurs.
Summary
Fentanyl citrate stays one of the most vital medications in the UK's surgical and intensive care environments. While it might be described by the historical brand Sublimaze, it is mostly used in its generic form supplied by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and quick start make it an unrivaled tool for handling sharp pain and assisting in anaesthesia, but these exact same qualities demand the greatest level of clinical monitoring and regulatory oversight. Comprehending the brand names and the medicinal profile of this drug is important for safe practice and patient security within the NHS and the wider UK health care sector.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Healthcare specialists need to constantly describe the British National Formulary (BNF) or their regional Trust standards for dosing and administration protocols.
