Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent artificial opioid analgesic, widely recognized in scientific medication for its fast start and short duration of action. Within the United Kingdom's healthcare system, fentanyl plays a vital function in perioperative care, intensive care, and the management of acute, severe discomfort. Because of its potency-- estimated to be 50 to 100 times that of morphine-- its administration via injection is strictly controlled and generally booked for health center settings.
For health care experts, students, or clients seeking to understand the medicinal landscape in the UK, identifying the readily available brand and producers of fentanyl citrate injection is necessary. This blog site post supplies a comprehensive overview of the brand, medical signs, and regulative status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that functions as a potent agonist at the μ-opioid (mu-opioid) receptors in the main worried system. When administered by means of intravenous (IV) or intramuscular (IM) injection, it provides 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 extreme discomfort relief while preserving hemodynamic stability, making it a preferred choice for heart surgeries and for patients with fragile cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, numerous pharmaceutical products are prescribed by their generic name (Fentanyl) rather than a brand. Nevertheless, numerous producers supply the NHS and personal healthcare facilities with specific formulas. Historically, the most famous brand related to fentanyl citrate was Sublimaze, originally developed by Janssen Pharmaceutica. While the name Sublimaze is still utilized internationally and colloquially in some UK theatres, most of the supply in the UK is now supplied by generic manufacturing specialists.
Table 1: Common Manufacturers and Product Details in the UK
| Maker | Product 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 versions, which are bioequivalent to the initial branded item.
Medical Indications for Injection
Fentanyl citrate injection is used across various departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is normally divided into 3 classifications:
1. Anaesthesia
Fentanyl is a foundation of contemporary anaesthesia. It is used as an analgesic supplement throughout the induction and maintenance of basic anaesthesia. It helps blunt the body's physiological "tension reaction" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in little, titrated boluses to manage 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 regularly used as an infusion to offer continuous analgesia for clients who are mechanically ventilated. Its short half-life enables more predictable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Role of Fentanyl |
|---|---|
| Pre-medication | To supply sedation and analgesia before moving to theatre. |
| Induction | To comply with induction representatives (like Propofol) for a smooth transition to unconsciousness. |
| Upkeep | To handle the surgical discomfort stimulus during the procedure. |
| Analgesic Supplement | Utilized in regional anaesthesia (like epidurals) to enhance pain relief. |
System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding hinders rising discomfort pathways, altering the understanding of and response to pain. It also increases the discomfort limit.
- Beginning of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Period: 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 highly lipid-soluble, it crosses the blood-brain barrier almost quickly, which explains why the analgesic impact is felt so much faster than with morphine or oxycodone.
Security and Side Effects
As with all potent opioids, fentanyl citrate brings a threat of substantial negative effects, particularly relating to the respiratory and cardiovascular systems.
Common Side Effects:
- Respiratory Depression: The most serious danger; it decreases 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 ventilate quickly (typically happens with high-dose rapid IV administration).
- Queasiness 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 devices.
- Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (risk of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Regulation and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly regulated to avoid diversion and abuse.
- 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 taped in a Controlled Drugs Register, signed by 2 competent health care experts (normally a doctor and a nurse, or two nurses).
- Disposal: Any squandered or unused portion of an ampoule need to be seen and destroyed according to regional 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 Sublimaze is the "innovator" product, many UK medical facilities presently utilize generic variations made by companies like Hameln or Martindale. These are pharmacologically identical.
2. What is the standard concentration of Fentanyl injection in the UK?
The standard concentration is 50 micrograms per millilitre (50 mcg/ml). It is usually readily available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be given at home?
No. Fentanyl citrate injection is nearly solely used in hospital settings (theatre, ICU, A&E) due to the fact that of the danger of rapid respiratory depression, which needs instant 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. Buy Fentanyl From UK suggests 100 micrograms of fentanyl is approximately comparable to 10 milligrams of morphine.
5. What is the remedy for a Fentanyl overdose?
Naloxone (brand Prenoxad or generic) is the standard opioid antagonist utilized to reverse the effects of fentanyl if respiratory depression takes place.
Summary
Fentanyl citrate stays one of the most essential medications in the UK's surgical and intensive care environments. While it might be described by the historical brand name Sublimaze, it is mainly used in its generic type provided by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and quick beginning make it an unrivaled tool for handling sharp pain and helping with anaesthesia, however these same qualities require the highest level of medical monitoring and regulative oversight. Comprehending the brands and the pharmacological profile of this drug is vital for safe practice and client security within the NHS and the wider UK healthcare sector.
Disclaimer: This short article is for informative purposes only and does not make up medical recommendations. Health care professionals must always describe the British National Formulary (BNF) or their local Trust guidelines for dosing and administration protocols.
