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 scientific medicine for its quick start and brief duration of action. Within the United Kingdom's health care system, fentanyl plays a critical function in perioperative care, extensive care, and the management of severe, severe pain. Because of its potency-- approximated to be 50 to 100 times that of morphine-- its administration through injection is strictly managed and generally scheduled for medical facility settings.
For health care experts, students, or clients seeking to understand the pharmacological landscape in the UK, determining the offered trademark name and makers of fentanyl citrate injection is vital. This post provides a thorough summary of the brand name names, 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 powerful agonist at the μ-opioid (mu-opioid) receptors in the main nerve system. When administered by means of intravenous (IV) or intramuscular (IM) injection, it offers quick 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 offer intense discomfort relief while maintaining hemodynamic stability, making it a favored option for heart surgeries and for clients with delicate 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 trademark name. However, numerous makers provide the NHS and private hospitals with particular formulations. Historically, the most famous trademark name related to fentanyl citrate was Sublimaze, initially established by Janssen Pharmaceutica. While the name Sublimaze is still utilized worldwide and colloquially in some UK theatres, most of the supply in the UK is now supplied by generic production professionals.
Table 1: Common Manufacturers and Product Details in the UK
| Producer | 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" may still appear on some procurement lists, the UK medical landscape is controlled by Hameln and Martindale generic variations, which are bioequivalent to the original top quality item.
Scientific Indications for Injection
Fentanyl citrate injection is used throughout various departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is generally divided into three categories:
1. Anaesthesia
Fentanyl is a foundation of modern anaesthesia. It is utilized as an analgesic supplement during the induction and upkeep of basic anaesthesia. It helps blunt the body's physiological "tension reaction" to intubation and surgical cut.
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 regularly used as an infusion to supply constant analgesia for clients who are mechanically ventilated. Its short half-life permits more foreseeable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Function of Fentanyl |
|---|---|
| Pre-medication | To supply sedation and analgesia before moving to theatre. |
| Induction | To work together with induction representatives (like Propofol) for a smooth transition to unconsciousness. |
| Maintenance | To handle the surgical pain stimulus throughout 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 inhibits rising pain paths, altering the understanding of and reaction to discomfort. It also increases the pain limit.
- Beginning 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 via the kidneys.
Because fentanyl is highly lipid-soluble, it crosses the blood-brain barrier almost instantly, which explains why the analgesic result is felt so much faster than with morphine or oxycodone.
Safety and Side Effects
As with all potent opioids, fentanyl citrate brings a threat of significant adverse effects, particularly connecting to the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most severe threat; it reduces the drive to breathe.
- Bradycardia: A slow heart rate.
- Hypotension: Low blood pressure.
- Muscle Rigidity: Specifically "wood chest syndrome," where the chest wall becomes too stiff to aerate quickly (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.
- Respiratory depression in the absence 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).
Guideline and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly managed to prevent diversion and misuse.
- Storage: It must be kept in a locked "Controlled Drugs" (CD) cupboard that satisfies the British Standard for security.
- Record Keeping: Every dosage administered should be recorded in a Controlled Drugs Register, signed by two qualified healthcare experts (typically a physician and a nurse, or 2 nurses).
- Disposal: Any wasted or unused part of an ampoule need to be witnessed and ruined according to local trust policy (usually utilizing a denaturing package).
FAQ: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still offered in the UK?
While the brand name Sublimaze is the "innovator" product, many UK hospitals presently use generic variations produced by companies 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 available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be offered in your home?
No. Fentanyl citrate injection is practically exclusively used in medical facility settings (theatre, ICU, A&E) since of the threat of fast respiratory depression, which needs immediate access to oxygen and resuscitation devices.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is around 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 website for a Fentanyl overdose?
Naloxone (trademark name Prenoxad or generic) is the basic opioid villain utilized to reverse the results of fentanyl if breathing anxiety happens.
Summary
Fentanyl citrate remains among the most crucial medications in the UK's surgical and intensive care environments. While it might be described by the historic brand name Sublimaze, it is mostly utilized in its generic form supplied by producers such as Hameln, Wockhardt, and Martindale Pharma.
Its high effectiveness and rapid start make it an unequaled tool for managing acute pain and facilitating anaesthesia, but these very same qualities necessitate the highest level of scientific tracking and regulative oversight. Understanding the brand names 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 article is for informational functions just and does not make up medical suggestions. Healthcare experts need to always refer to the British National Formulary (BNF) or their regional Trust standards for dosing and administration procedures.
